Troubleshooting AIX Error 0506-342 Unable to mount partition issue

A P595 AIX system host, boot after the discovery data partition is not mounted, manual mount prompts the following error ...

A P595 AIX system host, boot after the discovery data partition is not mounted, manual mount prompts the following error:

#mount/data  replaying log for/dev/lv_tdprd_bak.mount:  0506-324 cannot mount/dev/lv_td Prd_bak on/data:the Media is not formatted or the format is not correct.  0506-342 the Superblock on/dev/data VG is dirty. Run a full fsck to fix.

  View the system log as follows:

# ERRPT

A6DF45AA 0215180108 I O Rmcdaemon The daemon is started.

b38e3397 0215175908 U S sysdump Previous system dump information

c0aa5338 0215175808 U S sysdump system Dump

9d035e4d 0215175108 P S sysvmm data storage interrupt, processor

9DBCFDEE 0215175908 T O errdemon logging error log Open

B6db68e0 0215043408 I O SYSJ2 FILE SYSTEM RECOVERY REQUIRED

49a83216 0215030208 T H hdisk2 disk operation error

6926eca8 0215030108 i o SYSJ2 meta-data I/O ERROR

613e5f38 0215030108 P H lvdd LVM detects I/O errors

425bdd47 0215030108 P H hdisk2 disk operation error

  Cause of failure:

An error occurred after a forced reboot due to an inability to restart normally during Aix reboot. This is because the forced shutdown caused damage to the system partition, showing "the media is not formatted or the" the format is not correct "error, causing the partition to not mount properly.

  Workaround:

Perform fsck to repair a disk partition

Here is the code snippet:   #fsck-P/data       #To mount the path fsck * * Phase 1-check Blocks and sizes  ...   * Phase 6b- Salvage Block map  -1 blocks missing  -1 blocks missing  Superblock is marked dirty (FIXED) & nbsp 1922574 files 375776584 blocks 46344568 free  * * * * Filesystem was modified * * * *

Fix successfully after re-mount partition, problem solved.

Troubleshooting AIX Error 0506-342 Unable to mount partition issue