Issue

• When execute the lvm command 'pvs' it shows /var/lock/lvm/P_global:aux: open failed: No space left on device Unable to obtain global lock.

• Execute the lvm command

# pvscan
  /var/lock/lvm/P_global:aux: open failed: No space left on device
  Unable to obtain global lock.

#  pvscan -vvvv
#lvmcmdline.c:1089         Processing: pvscan -vvvv
#lvmcmdline.c:1092         O_DIRECT will be used
#config/config.c:994       Setting global/locking_type to 1
#config/config.c:994       Setting global/wait_for_locks to 1
#locking/locking.c:240       File-based locking selected.
#config/config.c:971       Setting global/locking_dir to /var/lock/lvm
#locking/file_locking.c:235       Locking /var/lock/lvm/P_global WB
#locking/file_locking.c:141         _do_flock /var/lock/lvm/P_global:aux WB
#locking/file_locking.c:147   /var/lock/lvm/P_global:aux: open failed: 设备上没有空间
#locking/file_locking.c:249         <backtrace>
#locking/file_locking.c:290         <backtrace>
#locking/locking.c:397         <backtrace>
#locking/locking.c:459         <backtrace>
#pvscan.c:127   Unable to obtain global lock.