硬盘删除后centos出错处理

硬盘删除后centos出错处理
一台机器centos6.4在新增加一个硬盘后，重新加载光纤卡后，可以正常显示。再将这块硬盘删除后使用命令：pvs与vgs报错：
[root@mongodb-back host2]# pvscan
  /dev/sdh: read failed after 0 of 1024 at 0: Input/output error
  /dev/sdh: read failed after 0 of 1024 at 2199023124480: Input/output error
  /dev/sdh: read failed after 0 of 1024 at 2199023243264: Input/output error
  /dev/sdh: read failed after 0 of 1024 at 4096: Input/output error
  /dev/sdh: read failed after 0 of 2048 at 0: Input/output error
  PV /dev/sdb    VG mongovg          lvm2 [2.00 TiB / 0    free]
  PV /dev/sdc    VG mongovg          lvm2 [2.00 TiB / 0    free]
  PV /dev/sdd    VG mongovg          lvm2 [2.00 TiB / 1023.99 GiB free]
  PV /dev/sde    VG mongovg          lvm2 [2.00 TiB / 2.00 TiB free]
  PV /dev/sdf    VG mongovg          lvm2 [2.00 TiB / 2.00 TiB free]
  PV /dev/sda2   VG vg_mongodbback   lvm2 [99.51 GiB / 0    free]
                                                               
google后找到处理方案             
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Use lsscsi to determine which device is being used (you may need to install the program) then run lsscsi:


# lsscsi
[1:0:0:0]    cd/dvd  NECVMWar VMware IDE CDR10 1.00  /dev/sr0
[2:0:0:0]    disk    VMware   Virtual disk     1.0   /dev/sda
[2:0:1:0]    disk    VMware   Virtual disk     1.0   /dev/sdb <== the removed physical disk
[2:0:2:0]    disk    VMware   Virtual disk     1.0   /dev/sdc 
Now write the delete file with


# echo 1 > /sys/class/scsi_device/2\:0\:1\:0/device/delete 
The device is immediately gone.


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处理后正常 ！