I just encountered the following problem whenever the contractor changing shared storage interface from iSCSi to Fibre. [root@host02 ~]# pvscan connect() failed on local socket: Connection refused Internal cluster locking initialisation failed. WARNING: Falling back to local file-based locking. Volume Groups with the clustered attribute will be inaccessible. Found duplicate PV UlXB5PMbvvXYazRccMpWfzmuSVTWBb2u: using /dev/sdb not […]

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