Pb Cluster LVM Err internal cluster locking initialisation failed

# pvs
  connect() failed on local socket: Aucun fichier ou dossier de ce type
  Internal cluster locking initialisation failed.
  WARNING: Falling back to local file-based locking.
  Volume Groups with the clustered attribute will be inaccessible.
  PV                  VG      Fmt  Attr PSize   PFree
  /dev/mapper/mpatha1 vg_data lvm2 a--  508,00m 84,00m
  /dev/sda2           centos  lvm2 a--    7,51g 40,00m

ps -ef |egrep "lvm|dlm"

⇒ Aucune ligne trouvée

Solution

Le pb est liée au Cluster à la gestion des locks

Si pas de cluster :

/etc/lvm/lvm.conf

#locking_type = 3
locking_type = 1

Si cluster (exemple)

pcs cluster unstandby

root      6019     1  0 15:19 ?        00:00:00 dlm_controld -s 0
root      6030  1642  0 15:19 ?        00:00:00 /bin/bash /usr/lib/ocf/resource.d/heartbeat/clvm start
root      6139  6030  0 15:19 ?        00:00:00 /bin/bash /usr/lib/ocf/resource.d/heartbeat/clvm start
root      6140  6139  0 15:19 ?        00:00:00 /usr/sbin/clvmd -T90 -d0
root      6141  6140  0 15:19 ?        00:00:00 /usr/sbin/clvmd -T90 -d0
root      6142     2  0 15:19 ?        00:00:00 [dlm_scand]
root      6144     2  0 15:19 ?        00:00:00 [dlm_recv]
root      6145     2  0 15:19 ?        00:00:00 [dlm_send]
root      6146     2  0 15:19 ?        00:00:00 [dlm_recoverd]
root      6148  3057  0 15:19 pts/1    00:00:00 grep -E --color=auto lvm|dlm