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1、精选优质文档-倾情为你奉上一、现象描述?一台IBM小型机,带RAID卡,内置3块硬盘,做RAID5,无热备?第2块硬盘亮黄色故障灯二、做好rootvg备份(mksysb)和数据备份(强烈建议)备份完数据后,为了安全,停止应用对硬盘的访问三、故障确认?执行lsdevCc pdisk/hdisk、errpt命令查看系统是否有硬盘报错?用diag-Task selection - RAID Array Manager -IBM SASDisk Array Manager -List IBM SASDisk Array configuration检查raid信息和pdisk的状态hdisk00B-08
2、-ff-0,0DegradedRAID 5 Array484.2GBpdisk00B-08-00-5,0FailedArray Member242.8GBpdisk10B-08-01-5,0ActiveArray Member242.8GBpdisk20B-08-00-3,0ActiveArray Member242.8GB?用以下操作再次确认硬盘槽位信息:Diag-Task Selection-RAID Array Manager-IBM SASDisk Array Manager- Diagnostics and Recovery Options-SCSI and SCSI RAID Ho
3、t Plug Manager- Identify a Device Attached to a SCSI Hot Swap Enclosure Device选择对应的硬盘,按F7确认硬盘所在的槽位(磁盘的黄灯在闪烁)四、进行磁盘更换1)用hot plug把硬盘更换,操作如下:diag?Task Selection?RAID Array Manager?IBM SASDisk Array Manager?Diagnostics and Recovery Options?SCSI and SCSI RAID Hot Plug Manager?Replace/Remove a Device Atta
4、ched to an SCSI Hot Swap Enclosure Device把故障硬盘更换,回车然后按F3回到上一层菜单SCSI and SCSI RAID Hot Plug ManagerConfigure Added/Replaced Devices2)更换硬盘后,回到diag-Task selection -RAID Array Manager -IBM SASDisk Array Manager -List IBM SAS Disk Array configuration可以看到pdiskX的状态是failed,比如下图:3)hdisk00B-08-ff-0,0DegradedR
5、AID 5 Array484.2GB4)pdisk00B-08-00-5,0FailedArray Member242.8GB5)pdisk10B-08-01-5,0ActiveArray Member242.8GB6)pdisk20B-08-00-3,0ActiveArray Member242.8GB7)用lsdevCc pdisk是可以看到pdisk0是available五、对RAID进行重建diag-Task selection -RAID Array Manager -IBM SASDisk Array Manager -Reconstruct a IBM SASDisk Array选择新产生的磁盘pdisk0进行重建(对146GB HDD大概需要4小时)重建有进度显示,可以退出重建在后台执行六、重建完毕后,确认RAID的状态为optimaldiag-Task selection -RAID Array Manager -IBM SASDisk Array Manager -List IBM SASDisk Array configuration七、确认硬盘没问题,启动应用专心-专注-专业