Why root file system is going to read-only mode, often? (Doc ID 1507992.1)

Last updated on SEPTEMBER 24, 2014

Applies to:

Linux OS - Version Enterprise Linux 4.0 to Oracle Linux 6.3 with Unbreakable Enterprise Kernel [2.6.32] [Release RHEL4 to OL6U3]
Linux x86-64
Linux x86

Symptoms

Sometimes kernel may mount the filesystem as read only. If kernel mounts a filesystem as read only then messages log may contain following errors:

kernel: EXT3-fs error (device dm-2): ext3_lookup: unlinked inode 5148652 in dir #5146216
kernel: Aborting journal on device dm-2.
kernel: ext3_abort called.
kernel: EXT3-fs error (device dm-2): ext3_journal_start_sb: Detected aborted journal
kernel: Remounting filesystem read-only

Cause

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