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1 确认故障磁盘

dmesg[6061566.878131] sd 0:2:2:0: [sdc][6061566.878141] sd 0:2:2:0: [sdc][6061566.878147] sd 0:2:2:0: [sdc][6061566.878152] sd 0:2:2:0: [sdc] CDB:[6061566.878162] end_request: critical medium error, dev sdc, sector 4973176[6061617.793479] sd 0:2:5:0: [sdf][6061617.793501] sd 0:2:5:0: [sdf][6061617.793513] sd 0:2:5:0: [sdf][6061617.793530] sd 0:2:5:0: [sdf] CDB:[6061617.793549] end_request: critical medium error, dev sdf, sector 12773264

或者使用  megaCli 工具进行检测

[root@hh-yun-ceph-cinder016-128056 ~]# MegaCli -PDList -aALL | lessEnclosure Device ID: 0Slot Number: 3Enclosure position: 0Device Id: 2Sequence Number: 2Media Error Count: 227     <- 物理故障Other Error Count: 2Enclosure Device ID: 0Slot Number: 6Enclosure position: 0Device Id: 5Sequence Number: 2Media Error Count: 573     <- 物理

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