pvcreate
因错误而失败Device /dev/sdX not found (or ignored by filtering).
问题现象:
# pvcreate /dev/sdb
Device /dev/sdb not found (or ignored by filtering).
# pvcreate -vvv /dev/sdb
Processing: pvcreate -vvv /dev/sdb
O_DIRECT will be used
Setting global/locking_type to 1
Setting global/wait_for_locks to 1
File-based locking selected.
Setting global/locking_dir to /var/lock/lvm
metadata/pvmetadataignore not found in config: defaulting to n
metadata/pvmetadatasize not found in config: defaulting to 255
metadata/pvmetadatacopies not found in config: defaulting to 1
Locking /var/lock/lvm/P_orphans WB
_do_flock /var/lock/lvm/P_orphans:aux WB
_do_flock /var/lock/lvm/P_orphans WB
_undo_flock /var/lock/lvm/P_orphans:aux
/dev/sdb: Added to device cache
Opened /dev/sdb RO O_DIRECT
/dev/sdb: size is 285671424 sectors
/dev/sdb: block size is 4096 bytes
Closed /dev/sdb
/dev/sdb: size is 285671424 sectors
Opened /dev/sdb RO O_DIRECT
/dev/sdb: block size is 4096 bytes
Closed /dev/sdb
dm version OF [16384]
dm status (253:27) OF [16384]
/dev/sdb: Skipping mpath component device
/dev/sdb: Skipping (cached)
Setting devices/ignore_suspended_devices to 0
Setting devices/cache_dir to /etc/lvm/cache
Setting devices/write_cache_state to 1
Opened /dev/sdb RO O_DIRECT
/dev/sdb: size is 285671424 sectors
/dev/sdb: block size is 4096 bytes
Closed /dev/sdb
dm status (253:27) OF [16384]
/dev/sdb: Skipping mpath component device
Device /dev/sdb not found (or ignored by filtering).
Unlocking /var/lock/lvm/P_orphans
_undo_flock /var/lock/lvm/P_orphans
以下两种方式解决:
※黑名单设备在/etc/multipath.conf
并重新加载多路径配置。
※如果希望在多路径下有问题的设备,请在多路径设备上执行 pvcreate。
pvcreate /dev/mapper/mpathX
故障原因:
- 此设备未列入黑名单
multipath.conf
,这就是为什么用/dev/sdb
. - 设备是多路径配置的一部分。
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