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OCI: Server Rebooted Unexpectedly Due to Filesystem Corruption
APPLIES TO:
Linux OS - Version Oracle Linux 6.0 and later
SYMPTOMS:
The server unexpectedly rebooted and the user was unable ping and ssh.
CHANGES:
None
CAUSE:
As seen from the console logs, filesystem got corrupted and passwd file went missing.
[ 4.383642] EXT4-FS (SDA3): RE-MOUNTED. OPTS: (NULL) [ 4.583731] FAT-FS (SDA1): VOLUME WAS NOT PROPERLY UNMOUNTED. SOME DATA MAY BE CORRUPT. PLEASE RUN FSCK. [ 4.868844] ADDING 8388604K SWAP ON /DEV/SDA2. PRIORITY:-1 EXTENTS:1 ACROSS:8388604K FS
SOLUTION:
- Detach the boot volume from problematic instance and attach the boot volume as block volume to a test instance.
Kindly refer to link below for reference:
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