ceph scrub 错误记录

目的

1. 记录 ceph scrub 错误问题
2. 解决 ceph scrub 故障

故障信息

  cluster:id:     xxx-xxx-xxxhealth: HEALTH_ERR2 scrub errorsPossible data damage: 2 pg inconsistent

message 日志信息

# egrep -i 'medium|i\/o error|sector|Prefailure' /var/log/messages
Jun 15 00:23:37 my-ceph-osd-host kernel: sd 0:2:6:0: [sdg] tag#0 Sense Key : Medium Error [current]
Jun 15 00:23:37 my-ceph-osd-host kernel: blk_update_request: critical medium error, dev sdg, sector 7541632
Jun 15 00:23:37 my-ceph-osd-host kernel: megaraid_sas 0000:1c:00.0: 63816 (771726199s/0x0002/FATAL) - Unrecoverable medium error during recovery on PD 05(e0x41/s5) at 731440
Jun 15 00:23:37 my-ceph-osd-host kernel: megaraid_sas 0000:1c:00.0: 63817 (771726201s/0x0001/FATAL) - Uncorrectable medium error logged for VD 06/6 at 731440 (on PD 05(e0x41/s5) at 731440)
Jun 15 00:30