Friday, October 7, 2022

Run full fsck on AIX lpar for superblock corruption

Run full fsck on AIX LPAR for superblock corruption incident
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One of the file system on AIX was not mounted and when tried to mount it throwing following error:

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But before running fsck, which things AIX admin need to check:

1. Check with backup team, for latest backup of affected filesystem.
2. if it's any application/DB filesystem then need to take necessary down time and approval before performing fsck to fix superblock dirty issue.
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Error details:
mount:0506:324 can not mount

Superblock is dirty on /dev/oraclelv .
Run full fsck to fix this.
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Solution AIX admin used: 

#fsck -yvv /dev/oraclelv      //Full fsck command to fix superblock dirty issue

After fsck fixed superblock then execute following command to mount file system 

mount /orafs




Thanks !!!

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