How to Recover Corrupted Superblock (Bad magic number in superblock) on Oracle VM Repository or Poolfs
(Doc ID 2127003.1)
Last updated on FEBRUARY 02, 2019
Applies to:Oracle VM - Version 3.0.1 and later
Oracle Cloud Infrastructure - Version N/A and later
Oracle VM Repository or Poolfs get super block corruption, and fsck.ocfs2 report failure as below:
# fsck.ocfs2 -fy /dev/mapper/<repo-uuid>
fsck.ocfs2: Bad magic number in superblock while opening "/dev/mapper/<repo-uuid>"
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document