报错：mount: unknown filesystem type ‘vfat’
服务器重启之后 进入 Ctrl + D 界面
界面报错是 FAILED to mount /boot/efi
输入密码进去之后
(py38) [root@localhost data]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 1.5T 0 disk
├─sda1 8:1 0 50M 0 part /boot/efi
├─sda2 8:2 0 1G 0 part /boot
└─sda3 8:3 0 1.5T 0 part
├─rl-root 253:0 0 128G 0 lvm /
├─rl-swap 253:1 0 128G 0 lvm
├─rl-usr 253:2 0 350G 0 lvm /usr
├─rl-home 253:3 0 32G 0 lvm /home
├─rl-var 253:4 0 64G 0 lvm /var
└─rl-data 253:5 0 787.3G 0 lvm /data
(py38) [root@localhost data]# blkid
/dev/mapper/rl-root: UUID="64653598-d9e5-4e91-905f-16841ab1bab0" TYPE="xfs"
/dev/sda3: UUID="pDtMqI-3KzS-Mlp3-roaQ-SjKJ-IVIf-RmaR6G" TYPE="LVM2_member" PARTUUID="5e107c49-1fac-4693-925b-ecded63cc415"
/dev/mapper/rl-usr: UUID="ec31cbe5-fee0-49dc-9674-0b0ff612ff8e" TYPE="xfs"
/dev/sda2: UUID="1e46fa1b-78c0-473d-bfa1-d95bed7fbe3c" TYPE="xfs" PARTUUID="9e0bac76-2f9c-4c89-83ba-270b1749103d"
/dev/sda1: SEC_TYPE="msdos" UUID="21BC-3D1D" TYPE="vfat" PARTLABEL="EFI System Partition" PARTUUID="4e337527-c905-4b56-83fc-ae7730d611f3"
/dev/mapper/rl-swap: UUID="ee0b50e2-7c22-4c18-aa01-d37466bd9f23" TYPE="swap"
/dev/mapper/rl-var: UUID="a38fc57b-ec9c-45bb-9ff3-4712acb958b1" TYPE="xfs"
/dev/mapper/rl-data: UUID="e537d486-0380-4e9e-8db9-b55ad686ac1f" TYPE="xfs"
/dev/mapper/rl-home: UUID="e83282e5-3304-4fac-8faf-8149052de819" TYPE="xfs"
查看
(py38) [root@localhost data]# more /etc/fstab
/dev/mapper/rl-root / xfs defaults 0 0
UUID=1e46fa1b-78c0-473d-bfa1-d95bed7fbe3c /boot xfs defaults 0 0
UUID=21BC-3D1D /boot/efi vfat umask=0077,shortname=winnt 0 2
/dev/mapper/rl-data /data xfs defaults 0 0
/dev/mapper/rl-home /home xfs defaults 0 0
/dev/mapper/rl-usr /usr xfs defaults 0 0
/dev/mapper/rl-var /var xfs defaults 0 0
#/dev/mapper/rl-swap none swap defaults 0 0
发现 /boot/efi 挂载是对的
mount -t vfat /dev/sda1 /boot/efi/
报错：mount: unknown filesystem type 'vfat’
处理方式很简单：
depmod -a
这条命令的意思是 根据当前正在运行的内核版本，更新相关模块的依赖关系。
然后在继续挂载 正常了
