Linux715 磁盘管理：逻辑卷
[root@web ~]# lvcreate -n lv01 -L 2.5G vg01Volume group "vg01" has insufficient free space (510 extents): 640 required.
[root@web ~]# lvcreate -n lv02 -110 vg01
lvcreate：无效选项 -- 1Error during parsing of command line.逻辑卷
LVM
磁盘分区进行管理；动态在线扩容
创建一个逻辑券
物理设备
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
├─sdb7 8:23 0 1G 0 part
├─sdb8 8:24 0 1G 0 part
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
[root@web ~]# df -h创建物理卷
pvcreate /dev/sdb6 /dev/sdb7
pvs
pvsdisplay /dev/sdb6
[root@web ~]# pvsPV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb6 vg01 lvm2 a-- 1020.00m 1020.00m/dev/sdb7 vg01 lvm2 a-- 1020.00m 1020.00m
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[root@web ~]# pvdisplay /dev/sdb6--- Physical volume ---PV Name /dev/sdb6VG Name vg01PV Size 1.00 GiB / not usable 4.00 MiBAllocatable yesPE Size 4.00 MiBTotal PE 255Free PE 255Allocated PE 0PV UUID 9CmJ8F-CIvN-vVhK-dI9L-UwlB-Pt0A-q19e3S您在 /var/spool/mail/root 中有邮件创建vg物理卷组 将物理卷加入其中
vgcreate vg01 /dev/sdb6 /dev/sdb7
vgs vg01
vgdisplay vg01
[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 0 0 wz--n- 1.99g 1.99g
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[root@web ~]# vgdliplay vg01
bash: vgdliplay: 未找到命令...
[root@web ~]# vgdisplay vg01--- Volume group ---VG Name vg01System IDFormat lvm2Metadata Areas 2Metadata Sequence No 1VG Access read/writeVG Status resizableMAX LV 0Cur LV 0Open LV 0Max PV 0Cur PV 2Act PV 2VG Size 1.99 GiBPE Size 4.00 MiBTotal PE 510Alloc PE / Size 0 / 0Free PE / Size 510 / 1.99 GiBVG UUID Yhwj2K-rtS1-MMDa-DPS8-DKbf-qnNL-ookdog您在 /var/spool/mail/root 中有邮件
[root@web ~]# vgdisplay vg01--- Volume group ---VG Name vg01System IDFormat lvm2Metadata Areas 2Metadata Sequence No 1VG Access read/writeVG Status resizableMAX LV 0Cur LV 0Open LV 0Max PV 0Cur PV 2Act PV 2VG Size 1.99 GiBPE Size 4.00 MiBTotal PE 510Alloc PE / Size 0 / 0Free PE / Size 510 / 1.99 GiBVG UUID Yhwj2K-rtS1-MMDa-DPS8-DKbf-qnNL-ookdog您在 /var/spool/mail/root 中有邮件创建lv逻辑卷
lvcreate -n lv01 -L 2.5G VG01
[root@web ~]# lvcreate -n lv01 -L 2.5G vg01Volume group "vg01" has insufficient free space (510 extents): 640 required.
[root@web ~]# ll /dev/mapper/vg01-lv01
ls: 无法访问/dev/mapper/vg01-lv01: 没有那个文件或目录
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[root@web ~]# vgdisplay vg01--- Volume group ---VG Name vg01System IDFormat lvm2Metadata Areas 2Metadata Sequence No 1VG Access read/writeVG Status resizableMAX LV 0Cur LV 0Open LV 0Max PV 0Cur PV 2Act PV 2VG Size 1.99 GiBPE Size 4.00 MiBTotal PE 510Alloc PE / Size 0 / 0Free PE / Size 510 / 1.99 GiBVG UUID Yhwj2K-rtS1-MMDa-DPS8-DKbf-qnNL-ookdog您在 /var/spool/mail/root 中有邮件
[root@web ~]# lvcreate -n lv01 -L 2G vg01Volume group "vg01" has insufficient free space (510 extents): 512 required.
[root@web ~]# lvcreate -n lv01 -L 1.8g vg01Rounding up size to full physical extent 1.80 GiBLogical volume "lv01" created./dev/mapper/vg01-lv01
/dev/vg01/lv01
lvdisplay /dev/vg01/lv01
[root@web ~]# ll /dev/mapper/vg01-lv01
lrwxrwxrwx 1 root root 7 7月 15 19:36 /dev/mapper/vg01-lv01 -> ../dm-2
[root@web ~]# ll /dev/vg01/lv01
lrwxrwxrwx 1 root root 7 7月 15 19:36 /dev/vg01/lv01 -> ../dm-2
[root@web ~]# lvdisplay /dev/vg01/lv01--- Logical volume ---LV Path /dev/vg01/lv01LV Name lv01VG Name vg01LV UUID iFLbR1-53Mk-4Rd3-Igpw-yQBf-kwTG-Vqt28cLV Write Access read/writeLV Creation host, time web.cn, 2025-07-15 19:36:46 +0800LV Status available# open 0LV Size 1.80 GiBCurrent LE 461Segments 2Allocation inheritRead ahead sectors auto- currently set to 8192Block device 253:2您在 /var/spool/mail/root 中有邮件lvcreate -n lv02 -l50 vg01
lvcreate -n lv03 -l50%free vs01
[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 1 0 wz--n- 1.99g 196.00m
[root@web ~]# lvcreate -n lv02 -110 vg01
lvcreate：无效选项 -- 1Error during parsing of command line.
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[root@web ~]# lvcreate -n lv02 -110 vg02
lvcreate：无效选项 -- 1Error during parsing of command line.
[root@web ~]# lvcreate -n lv02 -110 vg01
lvcreate：无效选项 -- 1Error during parsing of command line.
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[root@web ~]# lvcreate -n lv02 -110 vg01
lvcreate：无效选项 -- 1Error during parsing of command line.
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[root@web ~]# lvcreate -n lv02 -120 vg01
lvcreate：无效选项 -- 1Error during parsing of command line.
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[root@web ~]# lvcreate -n lv02 -l 110 vg01Volume group "vg01" has insufficient free space (49 extents): 110 required.
[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 1 0 wz--n- 1.99g 196.00m
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[root@web ~]# lvcreate -n lv02 -l 30 vg01Logical volume "lv02" created.
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[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 2 0 wz--n- 1.99g 76.00m
[root@web ~]# lvs /dev/vg01/lv02LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertlv02 vg01 -wi-a----- 120.00m
[root@web ~]# lvcreate -n lv03 -l50%free vg01Logical volume "lv03" created.
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[root@web ~]# lvs /dev/vg01/lv03LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 3 0 wz--n- 1.99g 40.00m格式化lv 逻辑卷
mkfs.ext4 /dev/vg01/lv01
[root@web ~]# mkfs.ext4 /dev/vg01/lv01
mke2fs 1.42.9 (28-Dec-2013)
文件系统标签=
OS type: Linux
块大小=4096 (log=2)
分块大小=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
118080 inodes, 472064 blocks
23603 blocks (5.00%) reserved for the super user
第一个数据块=0
Maximum filesystem blocks=484442112
15 block groups
32768 blocks per group, 32768 fragments per group
7872 inodes per group
Superblock backups stored on blocks:32768, 98304, 163840, 229376, 294912Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (8192 blocks): 完成
Writing superblocks and filesystem accounting information: 完成您在 /var/spool/mail/root 中有邮件挂载
mkdir /u06
mount /dev/vg01/lv01 /u06
[root@web ~]# mkdir /u06
mkdir: 无法创建目录"/u06": 文件已存在
[root@web ~]# mkdir /u07
[root@web ~]# mount /dev/vg01/lv01 /u06
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[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 1.8G 5.5M 1.7G 1% /u06逻辑卷动态扩容lv
lvextend
将/u01目录动态扩容到2G
df -h
lvs
vgs 查看剩余
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 1.8G 5.5M 1.7G 1% /u06
[root@web ~]# /dev/mapper/vg02-lv01
-bash: /dev/mapper/vg02-lv01: 没有那个文件或目录
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[root@web ~]# .lvs
bash: .lvs: 未找到命令...
相似命令是： 'lvs'
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 1.80glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 2 3 0 wz--n- 1.99g 40.00m
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确认物理设备
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[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 1.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 1.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 1.8G 5.5M 1.7G 1% /u06将物理设备做成pv物理卷
pvcreate /dev/sdb8
pvs
[root@web ~]# pvcreate /dev/sdb8Physical volume "/dev/sdb8" successfully created.
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[root@web ~]# pvsPV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb6 vg01 lvm2 a-- 1020.00m 0/dev/sdb7 vg01 lvm2 a-- 1020.00m 40.00m/dev/sdb8 lvm2 --- 1.00g 1.00g扩容
vgextend vg01 /dev/sdb8
pvs
vgs
[root@web ~]# vgextend vg02 /dev/sdb7Physical volume '/dev/sdb7' is already in volume group 'vg01'Unable to add physical volume '/dev/sdb7' to volume group 'vg01'/dev/sdb7: physical volume not initialized.
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[root@web ~]# vgextend vg02 /dev/sdb8Volume group "vg02" not foundCannot process volume group vg02
[root@web ~]# lvs /dev/vg01/lv02LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertlv02 vg01 -wi-a----- 120.00m
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[root@web ~]# vgs vg02Volume group "vg02" not foundCannot process volume group vg02
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[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 3 0 wz--n- 1.99g 40.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 2 3 0 wz--n- 1.99g 40.00m
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[root@web ~]# vgextend vg02 /dev/sdb8Volume group "vg02" not foundCannot process volume group vg02
[root@web ~]# vgextend vg01 /dev/sdb8Volume group "vg01" successfully extended
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[root@web ~]# pvsPV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb6 vg01 lvm2 a-- 1020.00m 0/dev/sdb7 vg01 lvm2 a-- 1020.00m 40.00m/dev/sdb8 vg01 lvm2 a-- 1020.00m 1020.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g <1.04g扩容lv逻辑卷
lvextend -L 3G /dev/vg01/lv01
lvextend -L +1.5g /dev/vg01/lv01
[root@web ~]# lvextend -L 2.5G /dev/vg01/lv01Size of logical volume vg01/lv01 changed from 1.80 GiB (461 extents) to 2.50 GiB (640 extents).Logical volume vg01/lv01 successfully resized.
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[root@web ~]# LVS
bash: LVS: 未找到命令...
相似命令是： 'lvs'
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.50glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 344.00m
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[root@web ~]# lvextend -L +300M /dev/vg02/lv01Volume group "vg02" not foundCannot process volume group vg02
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[root@web ~]# lvextend -L +300M /dev/vg01/lv01Size of logical volume vg01/lv01 changed from 2.50 GiB (640 extents) to 2.79 GiB (715 extents).Logical volume vg01/lv01 successfully resized.
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00mlvs df -h
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00m
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 1.8G 5.5M 1.7G 1% /u06
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resize2fs /dev/vg01/lv01
[root@web ~]# resize2fs /dev/vg01/lv01
resize2fs 1.42.9 (28-Dec-2013)
Filesystem at /dev/vg01/lv01 is mounted on /u06; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 1
The filesystem on /dev/vg01/lv01 is now 732160 blocks long.您在 /var/spool/mail/root 中有邮件验证
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 2.8G 5.5M 2.6G 1% /u06
您在 /var/spool/mail/root 中有邮件命令总结
物理卷:pv
pvcreate 创建pv物理卷
pvcreate /dev/sdb9
Can't open /dev/sdb1 exclusively. Mounted filesystem?Can't open /dev/sdb1 exclusively. Mounted filesystem?
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 2.8G 5.5M 2.6G 1% /u06
[root@web ~]#
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 2.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
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[root@web ~]# pvcreate /dev/sdb9Physical volume "/dev/sdb9" successfully created.vgcreate 
vgcreate创建vg 卷组
vgcreate vg01 /dev/sdb9
[root@web ~]# vgcreate vg02 /dev/sdb9Volume group "vg02" successfully created
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00mvg02 1 0 0 wz--n- 896.00m 896.00m逻辑卷lv
lvcreate -n lv01 -L 1G vg01
lvcreate -n lv01 -l 100 vg01
lvcreate -n lv01 -l 100%free vg01
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
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[root@web ~]# lvcreate -n lv04 -L 40M vg02Logical volume "lv04" created.
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv04 vg02 -wi-a----- 40.00m
[root@web ~]# lvcreate -n lv06 -l 40 vg02Logical volume "lv06" created.
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv04 vg02 -wi-a----- 40.00mlv06 vg02 -wi-a----- 160.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00mvg02 1 2 0 wz--n- 896.00m 696.00m
[root@web ~]# lvcreate -n lv05 -l 50%free vg02Logical volume "lv05" created.
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv04 vg02 -wi-a----- 40.00mlv05 vg02 -wi-a----- 348.00mlv06 vg02 -wi-a----- 160.00m删除
删除lv逻辑卷
lvremove /dev/vg01/lv01
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv04 vg02 -wi-a----- 40.00mlv05 vg02 -wi-a----- 348.00mlv06 vg02 -wi-a----- 160.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00mvg02 1 3 0 wz--n- 896.00m 348.00m
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[root@web ~]# lvremove /dev/vg02/lv05
Do you really want to remove active logical volume vg02/lv05? [y/n]:WARNING: Invalid input ''.
Do you really want to remove active logical volume vg02/lv05? [y/n]: yLogical volume "lv05" successfully removed
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv04 vg02 -wi-a----- 40.00mlv06 vg02 -wi-a----- 160.00m删除vg卷组
vgremove
vgremove vg02
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00mvg02 1 2 0 wz--n- 896.00m 696.00m
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 2.8G 5.5M 2.6G 1% /u06
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 2.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
└─sdb9 8:25 0 900M 0 part├─vg02-lv04 253:5 0 40M 0 lvm└─vg02-lv06 253:6 0 160M 0 lvm
sr0 11:0 1 4.4G 0 rom /mnt
[root@web ~]# vgremove vg02
Do you really want to remove volume group "vg02" containing 2 logical volumes? [y/n]: y
Do you really want to remove active logical volume vg02/lv04? [y/n]: yLogical volume "lv04" successfully removed
Do you really want to remove active logical volume vg02/lv06? [y/n]: yLogical volume "lv06" successfully removedVolume group "vg02" successfully removed
您在 /var/spool/mail/root 中有邮件
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00m
删除pv物理卷
pvremove /dev/sdb9
[root@web ~]# pvremove /dev/sdb8PV /dev/sdb8 is used by VG vg01 so please use vgreduce first.(If you are certain you need pvremove, then confirm by using --force twice.)/dev/sdb8: physical volume label not removed.
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 2.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
[root@web ~]# pvremove /dev/sdb9Labels on physical volume "/dev/sdb9" successfully wiped.
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[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00m
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 2.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt扩容卷组vg
vgextend
vgextend vg01 /dev/sdb5
[root@web ~]# vgextend vg01 /dev/sdb5Physical volume "/dev/sdb5" successfully created.Volume group "vg01" successfully extended
[root@web ~]# lvextebd /dev/vg01/lv01 -L +300M
bash: lvextebd: 未找到命令...
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[root@web ~]# vgextend /dev/vg01/lv01 -L +300M
vgextend：无效选项 -- LError during parsing of command line.
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[root@web ~]# vgextend /dev/vg01/lv01 -l +300M
vgextend：无效选项 -- lError during parsing of command line.
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[root@web ~]# lvextend /dev/vg01/lv04 -L +300MLogical volume lv04 not found in volume group vg01.扩容逻辑卷lv
lvextend /dev/vg01/lv01 -L +2G
[root@web ~]# lvextend /dev/vg01/lv01 -L +300MSize of logical volume vg01/lv01 changed from 2.79 GiB (715 extents) to <3.09 GiB (790 extents).Logical volume vg01/lv01 successfully resized.
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- <3.09glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00m
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resize2fs /dev/vg01/lv01
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 2.8G 5.5M 2.6G 1% /u06
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[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00m
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- <3.09glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# resize2fs /dev/vg01/lv01
resize2fs 1.42.9 (28-Dec-2013)
Filesystem at /dev/vg01/lv01 is mounted on /u06; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 1
The filesystem on /dev/vg01/lv01 is now 808960 blocks long.[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 3.1G 5.5M 2.9G 1% /u06记录
192.168.235.20
root@192.168.235.20's password:┌────────────────────────────────────────────────────────────────────┐│ • MobaXterm 20.0 • ││ (SSH client, X-server and networking tools) ││ ││ ➤ SSH session to root@192.168.235.20 ││ • SSH compression : ✘ ││ • SSH-browser : ✔ ││ • X11-forwarding : ✔ (remote display is forwarded through SSH) ││ • DISPLAY : ✔ (automatically set on remote server) ││ ││ ➤ For more info, ctrl+click on help or visit our website │└────────────────────────────────────────────────────────────────────┘Last login: Mon Jul 14 21:14:39 2025 from 192.168.235.1
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 15M 472M 4% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
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[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
├─sdb7 8:23 0 1G 0 part
├─sdb8 8:24 0 1G 0 part
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 15M 472M 4% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
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[root@web ~]# showmount -e 192.168.235.200
Export list for 192.168.235.200:
/share/nfs 192.168.235.0/24
[root@web ~]# cat /etc/auto.master
#
# Sample auto.master file
# This is a 'master' automounter map and it has the following format:
# mount-point [map-type[,format]:]map [options]
# For details of the format look at auto.master(5).
#
/misc /etc/auto.misc
#
# NOTE: mounts done from a hosts map will be mounted with the
# "nosuid" and "nodev" options unless the "suid" and "dev"
# options are explicitly given.
#
/net -hosts
#
# Include /etc/auto.master.d/*.autofs
# The included files must conform to the format of this file.
#
+dir:/etc/auto.master.d
#
# Include central master map if it can be found using
# nsswitch sources.
#
# Note that if there are entries for /net or /misc (as
# above) in the included master map any keys that are the
# same will not be seen as the first read key seen takes
# precedence.
#
+auto.master
/u05 /etc/auto.test -t 120
/- /etc/auto.notes --timeout 60
[root@web ~]# cat /etc/auto.notes
/notes -nfs,ro 192.168.235.200:/share/nfs
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[root@web ~]# systemctl status autofs
● autofs.service - Automounts filesystems on demandLoaded: loaded (/usr/lib/systemd/system/autofs.service; disabled; vendor preset: disabled)Active: active (running) since 一 2025-07-14 21:15:18 CST; 22h agoMain PID: 64067 (automount)Tasks: 7CGroup: /system.slice/autofs.service└─64067 /usr/sbin/automount --systemd-service --dont-check-daemon7月 14 21:15:18 web.cn systemd[1]: Starting Automounts filesystems on demand...
7月 14 21:15:18 web.cn automount[64067]: setautomntent: lookup(sss): setautomntent: No such file or directory
7月 14 21:15:18 web.cn systemd[1]: Started Automounts filesystems on demand.
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[root@web ~]# cat /notes
cat: /notes: 是一个目录
[root@web ~]# ls /notes
file1 file2 file3 file4 file5
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 15M 472M 4% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
[root@web ~]# pvsPV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb6 vg01 lvm2 a-- 1020.00m 1020.00m/dev/sdb7 vg01 lvm2 a-- 1020.00m 1020.00m
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[root@web ~]# pvdisplay /dev/sdb6--- Physical volume ---PV Name /dev/sdb6VG Name vg01PV Size 1.00 GiB / not usable 4.00 MiBAllocatable yesPE Size 4.00 MiBTotal PE 255Free PE 255Allocated PE 0PV UUID 9CmJ8F-CIvN-vVhK-dI9L-UwlB-Pt0A-q19e3S您在 /var/spool/mail/root 中有邮件
[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 0 0 wz--n- 1.99g 1.99g
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[root@web ~]# vgdliplay vg01
bash: vgdliplay: 未找到命令...
[root@web ~]# vgdisplay vg01--- Volume group ---VG Name vg01System IDFormat lvm2Metadata Areas 2Metadata Sequence No 1VG Access read/writeVG Status resizableMAX LV 0Cur LV 0Open LV 0Max PV 0Cur PV 2Act PV 2VG Size 1.99 GiBPE Size 4.00 MiBTotal PE 510Alloc PE / Size 0 / 0Free PE / Size 510 / 1.99 GiBVG UUID Yhwj2K-rtS1-MMDa-DPS8-DKbf-qnNL-ookdog您在 /var/spool/mail/root 中有邮件
[root@web ~]# vgdisplay vg01--- Volume group ---VG Name vg01System IDFormat lvm2Metadata Areas 2Metadata Sequence No 1VG Access read/writeVG Status resizableMAX LV 0Cur LV 0Open LV 0Max PV 0Cur PV 2Act PV 2VG Size 1.99 GiBPE Size 4.00 MiBTotal PE 510Alloc PE / Size 0 / 0Free PE / Size 510 / 1.99 GiBVG UUID Yhwj2K-rtS1-MMDa-DPS8-DKbf-qnNL-ookdog您在 /var/spool/mail/root 中有邮件
[root@web ~]# lvcreate -n lv01 -L 2.5HG vg01Can't parse size argument.Invalid argument for --size: 2.5HGError during parsing of command line.
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[root@web ~]# lvcreate -n lv01 -L 2.5G vg01Volume group "vg01" has insufficient free space (510 extents): 640 required.
[root@web ~]# ll /dev/mapper/vg01-lv01
ls: 无法访问/dev/mapper/vg01-lv01: 没有那个文件或目录
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[root@web ~]# vgdisplay vg01--- Volume group ---VG Name vg01System IDFormat lvm2Metadata Areas 2Metadata Sequence No 1VG Access read/writeVG Status resizableMAX LV 0Cur LV 0Open LV 0Max PV 0Cur PV 2Act PV 2VG Size 1.99 GiBPE Size 4.00 MiBTotal PE 510Alloc PE / Size 0 / 0Free PE / Size 510 / 1.99 GiBVG UUID Yhwj2K-rtS1-MMDa-DPS8-DKbf-qnNL-ookdog您在 /var/spool/mail/root 中有邮件
[root@web ~]# lvcreate -n lv01 -L 2G vg01Volume group "vg01" has insufficient free space (510 extents): 512 required.
[root@web ~]# lvcreate -n lv01 -L 1.8g vg01Rounding up size to full physical extent 1.80 GiBLogical volume "lv01" created.
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[root@web ~]# ll /dev/mapper/vg01-lv01
lrwxrwxrwx 1 root root 7 7月 15 19:36 /dev/mapper/vg01-lv01 -> ../dm-2
[root@web ~]# ll /dev/vg01/lv01
lrwxrwxrwx 1 root root 7 7月 15 19:36 /dev/vg01/lv01 -> ../dm-2
[root@web ~]# lvdisplay /dev/vg01/lv01--- Logical volume ---LV Path /dev/vg01/lv01LV Name lv01VG Name vg01LV UUID iFLbR1-53Mk-4Rd3-Igpw-yQBf-kwTG-Vqt28cLV Write Access read/writeLV Creation host, time web.cn, 2025-07-15 19:36:46 +0800LV Status available# open 0LV Size 1.80 GiBCurrent LE 461Segments 2Allocation inheritRead ahead sectors auto- currently set to 8192Block device 253:2您在 /var/spool/mail/root 中有邮件
[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 1 0 wz--n- 1.99g 196.00m
[root@web ~]# lvcreate -n lv02 -110 vg01
lvcreate：无效选项 -- 1Error during parsing of command line.
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[root@web ~]# lvcreate -n lv02 -110 vg02
lvcreate：无效选项 -- 1Error during parsing of command line.
[root@web ~]# lvcreate -n lv02 -110 vg01
lvcreate：无效选项 -- 1Error during parsing of command line.
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[root@web ~]# lvcreate -n lv02 -110 vg01
lvcreate：无效选项 -- 1Error during parsing of command line.
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[root@web ~]# lvcreate -n lv02 -120 vg01
lvcreate：无效选项 -- 1Error during parsing of command line.
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[root@web ~]# lvcreate -n lv02 -l 110 vg01Volume group "vg01" has insufficient free space (49 extents): 110 required.
[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 1 0 wz--n- 1.99g 196.00m
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[root@web ~]# lvcreate -n lv02 -l 30 vg01Logical volume "lv02" created.
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[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 2 0 wz--n- 1.99g 76.00m
[root@web ~]# lvs /dev/vg01/lv02LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertlv02 vg01 -wi-a----- 120.00m
[root@web ~]# lvcreate -n lv03 -l50%free vg01Logical volume "lv03" created.
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[root@web ~]# lvs /dev/vg01/lv03LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 3 0 wz--n- 1.99g 40.00m
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[root@web ~]# mkfs.ext4 /dev/vg01/lv01
mke2fs 1.42.9 (28-Dec-2013)
文件系统标签=
OS type: Linux
块大小=4096 (log=2)
分块大小=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
118080 inodes, 472064 blocks
23603 blocks (5.00%) reserved for the super user
第一个数据块=0
Maximum filesystem blocks=484442112
15 block groups
32768 blocks per group, 32768 fragments per group
7872 inodes per group
Superblock backups stored on blocks:32768, 98304, 163840, 229376, 294912Allocating group tables: 完成
正在写入inode表: 完成
Creating journal (8192 blocks): 完成
Writing superblocks and filesystem accounting information: 完成您在 /var/spool/mail/root 中有邮件
[root@web ~]# mkdir /u06
mkdir: 无法创建目录"/u06": 文件已存在
[root@web ~]# mkdir /u07
[root@web ~]# mount /dev/vg01/lv01 /u06
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[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 1.8G 5.5M 1.7G 1% /u06
[root@web ~]# /dev/mapper/vg02-lv01
-bash: /dev/mapper/vg02-lv01: 没有那个文件或目录
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[root@web ~]# .lvs
bash: .lvs: 未找到命令...
相似命令是： 'lvs'
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 1.80glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 2 3 0 wz--n- 1.99g 40.00m
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[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 1.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 1.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 1.8G 5.5M 1.7G 1% /u06
[root@web ~]# pvcreate /dev/sdb8Physical volume "/dev/sdb8" successfully created.
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[root@web ~]# pvsPV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb6 vg01 lvm2 a-- 1020.00m 0/dev/sdb7 vg01 lvm2 a-- 1020.00m 40.00m/dev/sdb8 lvm2 --- 1.00g 1.00g
[root@web ~]# vgextend vg02 /dev/sdb7Physical volume '/dev/sdb7' is already in volume group 'vg01'Unable to add physical volume '/dev/sdb7' to volume group 'vg01'/dev/sdb7: physical volume not initialized.
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[root@web ~]# vgextend vg02 /dev/sdb8Volume group "vg02" not foundCannot process volume group vg02
[root@web ~]# lvs /dev/vg01/lv02LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertlv02 vg01 -wi-a----- 120.00m
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[root@web ~]# vgs vg02Volume group "vg02" not foundCannot process volume group vg02
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[root@web ~]# vgs vg01VG #PV #LV #SN Attr VSize VFreevg01 2 3 0 wz--n- 1.99g 40.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 2 3 0 wz--n- 1.99g 40.00m
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[root@web ~]# vgextend vg02 /dev/sdb8Volume group "vg02" not foundCannot process volume group vg02
[root@web ~]# vgextend vg01 /dev/sdb8Volume group "vg01" successfully extended
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[root@web ~]# pvsPV VG Fmt Attr PSize PFree/dev/sda2 centos lvm2 a-- <19.00g 0/dev/sdb6 vg01 lvm2 a-- 1020.00m 0/dev/sdb7 vg01 lvm2 a-- 1020.00m 40.00m/dev/sdb8 vg01 lvm2 a-- 1020.00m 1020.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g <1.04g
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 1.80glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# lvextend -L 2.5G /dev/vg01/lv01Size of logical volume vg01/lv01 changed from 1.80 GiB (461 extents) to 2.50 GiB (640 extents).Logical volume vg01/lv01 successfully resized.
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[root@web ~]# LVS
bash: LVS: 未找到命令...
相似命令是： 'lvs'
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.50glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 344.00m
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[root@web ~]# lvextend -L +300M /dev/vg02/lv01Volume group "vg02" not foundCannot process volume group vg02
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[root@web ~]# lvextend -L +300M /dev/vg01/lv01Size of logical volume vg01/lv01 changed from 2.50 GiB (640 extents) to 2.79 GiB (715 extents).Logical volume vg01/lv01 successfully resized.
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00m
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 1.8G 5.5M 1.7G 1% /u06
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[root@web ~]# resize2fs /dev/vg01/lv01
resize2fs 1.42.9 (28-Dec-2013)
Filesystem at /dev/vg01/lv01 is mounted on /u06; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 1
The filesystem on /dev/vg01/lv01 is now 732160 blocks long.您在 /var/spool/mail/root 中有邮件
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 2.8G 5.5M 2.6G 1% /u06
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[root@web ~]# ls /data
kefu2
[root@web ~]# umount /data
umount: /data：未挂载
[root@web ~]# e2fsck -f /dev/vg01/lv01
e2fsck 1.42.9 (28-Dec-2013)
/dev/vg01/lv01 is mounted.
e2fsck: 无法继续, 中止.您在 /var/spool/mail/root 中有邮件
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00m
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# pvcreateNo command with matching syntax recognised. Run 'pvcreate --help' for more information.Correct command syntax is:pvcreate PV ...您在 /var/spool/mail/root 中有邮件
[root@web ~]# pvcreate /dev/sdb1Can't open /dev/sdb1 exclusively. Mounted filesystem?Can't open /dev/sdb1 exclusively. Mounted filesystem?
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 2.8G 5.5M 2.6G 1% /u06
[root@web ~]#
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 2.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
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[root@web ~]# pvcreate /dev/sdb9Physical volume "/dev/sdb9" successfully created.
[root@web ~]# vgcreate /dev/sdb2No command with matching syntax recognised. Run 'vgcreate --help' for more information.Correct command syntax is:vgcreate VG_new PV ...[root@web ~]# vgcreate vg02 /dev/sdb9Volume group "vg02" successfully created
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00mvg02 1 0 0 wz--n- 896.00m 896.00m
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
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[root@web ~]# lvcreate -n lv04 -L 40M vg02Logical volume "lv04" created.
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv04 vg02 -wi-a----- 40.00m
[root@web ~]# lvcreate -n lv06 -l 40 vg02Logical volume "lv06" created.
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv04 vg02 -wi-a----- 40.00mlv06 vg02 -wi-a----- 160.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00mvg02 1 2 0 wz--n- 896.00m 696.00m
[root@web ~]# lvcreate -n lv05 -l 50%free vg02Logical volume "lv05" created.
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv04 vg02 -wi-a----- 40.00mlv05 vg02 -wi-a----- 348.00mlv06 vg02 -wi-a----- 160.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00mvg02 1 3 0 wz--n- 896.00m 348.00m
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[root@web ~]# lvremove /dev/vg02/lv05
Do you really want to remove active logical volume vg02/lv05? [y/n]:WARNING: Invalid input ''.
Do you really want to remove active logical volume vg02/lv05? [y/n]: yLogical volume "lv05" successfully removed
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00mlv04 vg02 -wi-a----- 40.00mlv06 vg02 -wi-a----- 160.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00mvg02 1 2 0 wz--n- 896.00m 696.00m
[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 2.8G 5.5M 2.6G 1% /u06
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 2.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
└─sdb9 8:25 0 900M 0 part├─vg02-lv04 253:5 0 40M 0 lvm└─vg02-lv06 253:6 0 160M 0 lvm
sr0 11:0 1 4.4G 0 rom /mnt
[root@web ~]# vgremove vg02
Do you really want to remove volume group "vg02" containing 2 logical volumes? [y/n]: y
Do you really want to remove active logical volume vg02/lv04? [y/n]: yLogical volume "lv04" successfully removed
Do you really want to remove active logical volume vg02/lv06? [y/n]: yLogical volume "lv06" successfully removedVolume group "vg02" successfully removed
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00m
[root@web ~]# pvremove /dev/sdb8PV /dev/sdb8 is used by VG vg01 so please use vgreduce first.(If you are certain you need pvremove, then confirm by using --force twice.)/dev/sdb8: physical volume label not removed.
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 2.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
[root@web ~]# pvremove /dev/sdb9Labels on physical volume "/dev/sdb9" successfully wiped.
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[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 3 3 0 wz--n- <2.99g 44.00m
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- 2.79glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 2.8G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:2 0 2.8G 0 lvm /u06
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
[root@web ~]# vgextend vg01 /dev/sdb5Physical volume "/dev/sdb5" successfully created.Volume group "vg01" successfully extended
[root@web ~]# lvextebd /dev/vg01/lv01 -L +300M
bash: lvextebd: 未找到命令...
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[root@web ~]# vgextend /dev/vg01/lv01 -L +300M
vgextend：无效选项 -- LError during parsing of command line.
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[root@web ~]# vgextend /dev/vg01/lv01 -l +300M
vgextend：无效选项 -- lError during parsing of command line.
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[root@web ~]# lvextend /dev/vg01/lv04 -L +300MLogical volume lv04 not found in volume group vg01.
[root@web ~]# lvextend /dev/vg01/lv01 -L +300MSize of logical volume vg01/lv01 changed from 2.79 GiB (715 extents) to <3.09 GiB (790 extents).Logical volume vg01/lv01 successfully resized.
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[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- <3.09glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00m
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[root@web ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 20G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 19G 0 part├─centos-root 253:0 0 17G 0 lvm /└─centos-swap 253:1 0 2G 0 lvm [SWAP]
sdb 8:16 0 10G 0 disk
├─sdb1 8:17 0 1G 0 part /u01
├─sdb2 8:18 0 1G 0 part /u2
├─sdb3 8:19 0 1G 0 part /u05/test
├─sdb4 8:20 0 1K 0 part
├─sdb5 8:21 0 1G 0 part
│ └─vg01-lv01 253:2 0 3.1G 0 lvm /u06
├─sdb6 8:22 0 1G 0 part
│ └─vg01-lv01 253:2 0 3.1G 0 lvm /u06
├─sdb7 8:23 0 1G 0 part
│ ├─vg01-lv01 253:2 0 3.1G 0 lvm /u06
│ ├─vg01-lv02 253:3 0 120M 0 lvm
│ └─vg01-lv03 253:4 0 36M 0 lvm
├─sdb8 8:24 0 1G 0 part
│ └─vg01-lv01 253:2 0 3.1G 0 lvm /u06
└─sdb9 8:25 0 900M 0 part
sr0 11:0 1 4.4G 0 rom /mnt
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[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 2.8G 5.5M 2.6G 1% /u06
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[root@web ~]# vgsVG #PV #LV #SN Attr VSize VFreecentos 1 2 0 wz--n- <19.00g 0vg01 4 3 0 wz--n- 3.98g 764.00m
[root@web ~]# lvsLV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convertroot centos -wi-ao---- <17.00gswap centos -wi-ao---- 2.00glv01 vg01 -wi-ao---- <3.09glv02 vg01 -wi-a----- 120.00mlv03 vg01 -wi-a----- 36.00m
[root@web ~]# resize2fs /dev/vg01/lv01
resize2fs 1.42.9 (28-Dec-2013)
Filesystem at /dev/vg01/lv01 is mounted on /u06; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 1
The filesystem on /dev/vg01/lv01 is now 808960 blocks long.[root@web ~]# df -h
文件系统 容量 已用 可用 已用% 挂载点
devtmpfs 470M 0 470M 0% /dev
tmpfs 487M 0 487M 0% /dev/shm
tmpfs 487M 21M 466M 5% /run
tmpfs 487M 0 487M 0% /sys/fs/cgroup
/dev/mapper/centos-root 17G 9.2G 7.8G 55% /
/dev/sda1 1014M 172M 843M 17% /boot
/dev/sr0 4.4G 4.4G 0 100% /mnt
tmpfs 98M 28K 98M 1% /run/user/1000
/dev/sdb1 976M 2.6M 907M 1% /u01
//192.168.235.20/smb_share 17G 9.2G 7.8G 55% /u03
/dev/sdb2 976M 2.6M 907M 1% /u2
/dev/sdb3 976M 2.6M 907M 1% /u05/test
tmpfs 98M 0 98M 0% /run/user/0
192.168.235.200:/share/nfs 17G 4.5G 13G 27% /notes
/dev/mapper/vg01-lv01 3.1G 5.5M 2.9G 1% /u06
[root@web ~]# vgreduce vg01 /dev/sdb5Physical volume "/dev/sdb5" still in use
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[root@web ~]#
192.168.235.200
caozx26@192.168.235.200's password:┌────────────────────────────────────────────────────────────────────┐│ • MobaXterm 20.0 • ││ (SSH client, X-server and networking tools) ││ ││ ➤ SSH session to caozx26@192.168.235.200 ││ • SSH compression : ✘ ││ • SSH-browser : ✔ ││ • X11-forwarding : ✔ (remote display is forwarded through SSH) ││ • DISPLAY : ✔ (automatically set on remote server) ││ ││ ➤ For more info, ctrl+click on help or visit our website │└────────────────────────────────────────────────────────────────────┘Last login: Mon Jul 14 20:21:46 2025 from 192.168.235.1
[caozx26@client ~]$ rpm -ql nfs
未安装软件包 nfs
[caozx26@client ~]$ rpm -ql nfs
未安装软件包 nfs
[caozx26@client ~]$ rpm -list |grep rpcbind
rpm: -list: 未知的选项
[caozx26@client ~]$ rpm list |grep rpcbind
RPM 版本 4.11.3
版权所有 (C) 1998-2002 - 红帽公司。
该程序可以在 GNU GPL 条款下自由分发用法: rpm [-aKfgpqVcdLilsiv?] [-a|--all] [-f|--file] [-g|--group] [-p|--package] [--pkgid] [--hdrid] [--triggeredby] [--whatrequires][--whatprovides] [--nomanifest] [-c|--configfiles] [-d|--docfiles] [-L|--licensefiles] [--dump] [-l|--list] [--queryformat=QUERYFORMAT][-s|--state] [--nofiledigest] [--nofiles] [--nodeps] [--noscript] [--allfiles] [--allmatches] [--badreloc] [-e|--erase <package>+][--excludedocs] [--excludepath=<path>] [--force] [-F|--freshen <packagefile>+] [-h|--hash] [--ignorearch] [--ignoreos] [--ignoresize][-i|--install] [--justdb] [--nodeps] [--nofiledigest] [--nocontexts] [--noorder] [--noscripts] [--notriggers] [--nocollections][--oldpackage] [--percent] [--prefix=<dir>] [--relocate=<old>=<new>] [--replacefiles] [--replacepkgs] [--test][-U|--upgrade <packagefile>+] [--reinstall=<packagefile>+] [-D|--define “MACRO EXPR”] [--undefine=MACRO] [-E|--eval “EXPR”][--macros=<FILE:…>] [--noplugins] [--nodigest] [--nosignature] [--rcfile=<FILE:…>] [-r|--root ROOT] [--dbpath=DIRECTORY][--querytags] [--showrc] [--quiet] [-v|--verbose] [--version] [-?|--help] [--usage] [--scripts] [--setperms] [--setugids][--setcaps] [--restore] [--conflicts] [--obsoletes] [--provides] [--requires] [--info] [--changelog] [--xml] [--triggers][--last] [--dupes] [--filesbypkg] [--fileclass] [--filecolor] [--fscontext] [--fileprovide] [--filerequire] [--filecaps]
[caozx26@client ~]$ rpm -qa | grep rpcbind
rpcbind-0.2.0-49.el7.x86_64
[caozx26@client ~]$ rpm -qa |grep nfs*
python-configshell-1.1.26-1.el7.noarch
redhat-rpm-config-9.1.0-88.el7.centos.noarch
libosinfo-1.1.0-5.el7.x86_64
copy-jdk-configs-3.3-10.el7_5.noarch
libconfig-1.4.9-5.el7.x86_64
xkeyboard-config-2.24-1.el7.noarch
mobile-broadband-provider-info-1.20170310-1.el7.noarch
libnfsidmap-0.25-19.el7.x86_64
pinfo-0.6.10-9.el7.x86_64
fontconfig-2.13.0-4.3.el7.x86_64
python-sssdconfig-1.16.5-10.el7.noarch
python-configobj-4.7.2-7.el7.noarch
autoconf-2.69-11.el7.noarch
dconf-0.28.0-4.el7.x86_64
dracut-config-rescue-033-572.el7.x86_64
system-config-printer-udev-1.4.1-23.el7.x86_64
libnfnetlink-1.0.1-4.el7.x86_64
info-5.1-5.el7.x86_64
chkconfig-1.7.6-1.el7.x86_64
pkgconfig-0.27.1-4.el7.x86_64
dotconf-1.3-8.el7.x86_64
GConf2-3.2.6-8.el7.x86_64
osinfo-db-20200529-1.el7.noarch
libvirt-daemon-config-network-4.5.0-36.el7.x86_64
libini_config-1.3.1-32.el7.x86_64
nfs-utils-1.3.0-0.68.el7.x86_64
media-player-info-17-4.el7.noarch
authconfig-6.2.8-30.el7.x86_64
osinfo-db-tools-1.1.0-1.el7.x86_64
nfs4-acl-tools-0.3.3-21.el7.x86_64
system-config-printer-libs-1.4.1-23.el7.noarch
shared-mime-info-1.8-5.el7.x86_64
libvirt-gconfig-1.0.0-1.el7.x86_64
system-config-printer-1.4.1-23.el7.x86_64
firewall-config-0.6.3-11.el7.noarch
[caozx26@client ~]$ rpm -ql nfs-utils
/etc/exports.d
/etc/gssproxy/24-nfs-server.conf
/etc/modprobe.d/lockd.conf
/etc/nfs.conf
/etc/nfsmount.conf
/etc/request-key.d/id_resolver.conf
/etc/sysconfig/nfs
/sbin/mount.nfs
/sbin/mount.nfs4
/sbin/osd_login
/sbin/rpc.statd
/sbin/umount.nfs
/sbin/umount.nfs4
/usr/lib/systemd/scripts/nfs-utils_env.sh
/usr/lib/systemd/system-generators/nfs-server-generator
/usr/lib/systemd/system-generators/rpc-pipefs-generator
/usr/lib/systemd/system/auth-rpcgss-module.service
/usr/lib/systemd/system/nfs-blkmap.service
/usr/lib/systemd/system/nfs-client.target
/usr/lib/systemd/system/nfs-config.service
/usr/lib/systemd/system/nfs-idmap.service
/usr/lib/systemd/system/nfs-idmapd.service
/usr/lib/systemd/system/nfs-lock.service
/usr/lib/systemd/system/nfs-mountd.service
/usr/lib/systemd/system/nfs-secure.service
/usr/lib/systemd/system/nfs-server.service
/usr/lib/systemd/system/nfs-utils.service
/usr/lib/systemd/system/nfs.service
/usr/lib/systemd/system/nfslock.service
/usr/lib/systemd/system/proc-fs-nfsd.mount
/usr/lib/systemd/system/rpc-gssd.service
/usr/lib/systemd/system/rpc-statd-notify.service
/usr/lib/systemd/system/rpc-statd.service
/usr/lib/systemd/system/rpc_pipefs.target
/usr/lib/systemd/system/rpcgssd.service
/usr/lib/systemd/system/rpcidmapd.service
/usr/lib/systemd/system/var-lib-nfs-rpc_pipefs.mount
/usr/sbin/blkmapd
/usr/sbin/exportfs
/usr/sbin/mountstats
/usr/sbin/nfsdcltrack
/usr/sbin/nfsidmap
/usr/sbin/nfsiostat
/usr/sbin/nfsstat
/usr/sbin/rpc.gssd
/usr/sbin/rpc.idmapd
/usr/sbin/rpc.mountd
/usr/sbin/rpc.nfsd
/usr/sbin/rpcdebug
/usr/sbin/showmount
/usr/sbin/sm-notify
/usr/sbin/start-statd
/usr/share/doc/nfs-utils-1.3.0
/usr/share/doc/nfs-utils-1.3.0/ChangeLog
/usr/share/doc/nfs-utils-1.3.0/KNOWNBUGS
/usr/share/doc/nfs-utils-1.3.0/NEW
/usr/share/doc/nfs-utils-1.3.0/README
/usr/share/doc/nfs-utils-1.3.0/THANKS
/usr/share/doc/nfs-utils-1.3.0/TODO
/usr/share/man/man5/exports.5.gz
/usr/share/man/man5/nfs.5.gz
/usr/share/man/man5/nfs.conf.5.gz
/usr/share/man/man5/nfsmount.conf.5.gz
/usr/share/man/man7/nfs.systemd.7.gz
/usr/share/man/man7/nfsd.7.gz
/usr/share/man/man8/blkmapd.8.gz
/usr/share/man/man8/exportfs.8.gz
/usr/share/man/man8/gssd.8.gz
/usr/share/man/man8/idmapd.8.gz
/usr/share/man/man8/mount.nfs.8.gz
/usr/share/man/man8/mountd.8.gz
/usr/share/man/man8/mountstats.8.gz
/usr/share/man/man8/nfsd.8.gz
/usr/share/man/man8/nfsdcltrack.8.gz
/usr/share/man/man8/nfsidmap.8.gz
/usr/share/man/man8/nfsiostat.8.gz
/usr/share/man/man8/nfsstat.8.gz
/usr/share/man/man8/rpc.gssd.8.gz
/usr/share/man/man8/rpc.idmapd.8.gz
/usr/share/man/man8/rpc.mountd.8.gz
/usr/share/man/man8/rpc.nfsd.8.gz
/usr/share/man/man8/rpc.sm-notify.8.gz
/usr/share/man/man8/rpc.statd.8.gz
/usr/share/man/man8/rpcdebug.8.gz
/usr/share/man/man8/showmount.8.gz
/usr/share/man/man8/sm-notify.8.gz
/usr/share/man/man8/statd.8.gz
/usr/share/man/man8/umount.nfs.8.gz
/var/lib/nfs
/var/lib/nfs/etab
/var/lib/nfs/rmtab
/var/lib/nfs/rpc_pipefs
/var/lib/nfs/statd
/var/lib/nfs/statd/sm
/var/lib/nfs/statd/sm.bak
/var/lib/nfs/state
/var/lib/nfs/v4recovery
/var/lib/nfs/xtab
[caozx26@client ~]$ systemctl status rpcbind
● rpcbind.service - RPC bind serviceLoaded: loaded (/usr/lib/systemd/system/rpcbind.service; enabled; vendor preset: enabled)Active: active (running) since 一 2025-07-14 20:35:50 CST; 22h agoProcess: 79775 ExecStart=/sbin/rpcbind -w $RPCBIND_ARGS (code=exited, status=0/SUCCESS)Main PID: 79776 (rpcbind)Tasks: 1CGroup: /system.slice/rpcbind.service└─79776 /sbin/rpcbind -w7月 14 20:35:50 client.backup.cn systemd[1]: Starting RPC bind service...
7月 14 20:35:50 client.backup.cn systemd[1]: Started RPC bind service.
[caozx26@client ~]$ systemctl status nfs-utils
● nfs-utils.service - NFS server and client servicesLoaded: loaded (/usr/lib/systemd/system/nfs-utils.service; static; vendor preset: disabled)Active: inactive (dead)
[caozx26@client ~]$ systemctl status nfs
● nfs-server.service - NFS server and servicesLoaded: loaded (/usr/lib/systemd/system/nfs-server.service; disabled; vendor preset: disabled)Active: active (exited) since 一 2025-07-14 20:35:59 CST; 22h agoProcess: 79850 ExecStopPost=/usr/sbin/exportfs -f (code=exited, status=0/SUCCESS)Process: 79848 ExecStopPost=/usr/sbin/exportfs -au (code=exited, status=0/SUCCESS)Process: 79845 ExecStop=/usr/sbin/rpc.nfsd 0 (code=exited, status=0/SUCCESS)Process: 79885 ExecStartPost=/bin/sh -c if systemctl -q is-active gssproxy; then systemctl reload gssproxy ; fi (code=exited, status=0/SUCCESS)Process: 79868 ExecStart=/usr/sbin/rpc.nfsd $RPCNFSDARGS (code=exited, status=0/SUCCESS)Process: 79867 ExecStartPre=/usr/sbin/exportfs -r (code=exited, status=0/SUCCESS)Main PID: 79868 (code=exited, status=0/SUCCESS)Tasks: 0CGroup: /system.slice/nfs-server.service7月 14 20:35:59 client.backup.cn systemd[1]: Starting NFS server and services...
7月 14 20:35:59 client.backup.cn systemd[1]: Started NFS server and services.
[caozx26@client ~]$