I have 4 worker nodes kubernetes cluster with Portworx storage. Every each of them contains three devices (/dev/vda, /dev/vdb and /dev/vdc). The /dev/vdb is 20GB which contains the kvdb data while the /dev/vdc is 120GB with the kubernetes pod volume.
The /dev/vdb on one of the node encounters bad superblock issue and thus needed to be replaced. The /dev/vdc looks fine. Could I have any clues to recover the kvdb volume to join back to the volume cluster? I saw there are backup done under /var/lib/osd/kvdb_backup but I am not so sure how to recover the /dev/vdb from the backup.
I tried to rename the dump to pwx_kvdb_disaster_recovery_golden.dump and restart Portworx service but failed to recover the cluster.
Thanks in advance.