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ceph pools have too many placement groups

news 2025/8/17 6:50:11

问题原因是是因为pg数大导致的：修复方法1：调整三个pool的pg数，修复方法2：按照下面的操作做。

[root@controller ~]# ceph -scluster:id:     8ad5bacc-b1d6-4954-adb4-8fd0bb9eab35health: HEALTH_WARN3 pools have too many placement groupsservices:mon: 3 daemons, quorum controller,compute01,compute02 (age 22m)mgr: compute02(active, since 9m), standbys: compute01, controllermds: cephfs:1 {0=compute01=up:active} 2 up:standbyosd: 9 osds: 9 up (since 56m), 9 in (since 4d)rgw: 3 daemons active (compute01.rgw0, compute02.rgw0, controller.rgw0)task status:data:pools:   9 pools, 528 pgsobjects: 249 objects, 12 MiBusage:   159 GiB used, 441 GiB / 600 GiB availpgs:     528 active+clean[root@controller ~]# ceph health detail
HEALTH_WARN 3 pools have too many placement groups
POOL_TOO_MANY_PGS 3 pools have too many placement groupsPool volumes has 128 placement groups, should have 32Pool images has 128 placement groups, should have 32Pool vms has 128 placement groups, should have 32

[root@controller ~]# ceph osd pool autoscale-status
POOL                  SIZE TARGET SIZE RATE RAW CAPACITY  RATIO TARGET RATIO EFFECTIVE RATIO BIAS PG_NUM NEW PG_NUM AUTOSCALE 
cephfs_metadata      4282               3.0       599.9G 0.0000                               4.0      8            off       
default.rgw.meta        0               3.0       599.9G 0.0000                               1.0     32            warn      
cephfs_data             0               3.0       599.9G 0.0000                               1.0      8         32 off       
default.rgw.control     0               3.0       599.9G 0.0000                               1.0     32            warn      
.rgw.root            1245               3.0       599.9G 0.0000                               1.0     32            warn      
volumes                 0               3.0       599.9G 0.0000                               1.0    128         32 warn      
images              12418k              3.0       599.9G 0.0001                               1.0    128         32 warn      
vms                     0               3.0       599.9G 0.0000                               1.0    128         32 warn      
default.rgw.log         0               3.0       599.9G 0.0000                               1.0     32            warn

关闭mgr pg_autoscaler或者调整pg和pgp数量

[root@controller ~]# ceph mgr module disable pg_autoscaler
[root@controller ~]# ceph osd pool autoscale-status
Error ENOTSUP: Module 'pg_autoscaler' is not enabled (required by command 'osd pool autoscale-status'): use `ceph mgr module enable pg_autoscaler` to enable it

再次查看ceph集群状态

[root@controller ~]# ceph health detail
HEALTH_OK
[root@controller ~]#
[root@controller ~]# ceph -scluster:id:     8ad5bacc-b1d6-4954-adb4-8fd0bb9eab35health: HEALTH_OKservices:mon: 3 daemons, quorum controller,compute01,compute02 (age 22m)mgr: compute02(active, since 16s), standbys: compute01, controllermds: cephfs:1 {0=compute01=up:active} 2 up:standbyosd: 9 osds: 9 up (since 57m), 9 in (since 4d)rgw: 3 daemons active (compute01.rgw0, compute02.rgw0, controller.rgw0)task status:data:pools:   9 pools, 528 pgsobjects: 249 objects, 12 MiBusage:   159 GiB used, 441 GiB / 600 GiB availpgs:     528 active+clean