LVM 輸入/輸出錯誤修復

1，LVM 輸入/輸出錯誤修復

# lvmdiskscan | grep LVM
  /dev/lvm_01/lv01: read failed after 0 of 4096 at 0: 輸入/輸出錯誤
  /dev/lvm_01/lv01: read failed after 0 of 4096 at 4096: 輸入/輸出錯誤
  /dev/sdb: read failed after 0 of 4096 at 0: 輸入/輸出錯誤
  /dev/sdb: read failed after 0 of 4096 at 8001563131904: 輸入/輸出錯誤
  /dev/sdb: read failed after 0 of 4096 at 8001563213824: 輸入/輸出錯誤
  /dev/sdb: read failed after 0 of 4096 at 4096: 輸入/輸出錯誤
  /dev/sdc         [      <7.28 TiB] LVM physical volume
  /dev/sdd         [      <7.28 TiB] LVM physical volume
  /dev/sde         [      <7.28 TiB] LVM physical volume
  /dev/sdf         [      <7.28 TiB] LVM physical volume
  /dev/sdg         [      <7.28 TiB] LVM physical volume
  /dev/sdh         [      <7.28 TiB] LVM physical volume
  /dev/sdi         [      <7.28 TiB] LVM physical volume
  /dev/sdj         [      <7.28 TiB] LVM physical volume
  8 LVM physical volume whole disks
  0 LVM physical volumes

# vgscan 
  Reading volume groups from cache.
  WARNING: Device /dev/sda has size of 0 sectors which is smaller than corresponding PV size of 15628053168 sectors. Was device resized?
  One or more devices used as PVs in VG lvm_01 have changed sizes.
  Found volume group "lvm_01" using metadata type lvm2