OCFS2: ERROR (device xxx) "ocfs2_validate_gd_self: Group descriptor #8257536 has bad signature "

(Doc ID 2341928.1)

Last updated on DECEMBER 22, 2017

Applies to:

Oracle VM - Version 3.4.4 and later
Linux OS - Version Oracle Linux 6.7 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64

Symptoms

The following errors can be observed in dmesg:


OCFS2: ERROR (device dm-1): ocfs2_validate_gd_self: Group descriptor #8257536 has bad signature
File system is now read-only due to the potential of on-disk corruption. Please run fsck.ocfs2 once the file system is unmounted.
(fstrim,6314,0):ocfs2_trim_fs:7338 ERROR: status = -22

 

and the filesystem goes read-only

Changes

 

Cause

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