How to resolve “fileset 999 primary inode…” Error message in HP-UX Operating System

Published: 01st August 2009
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HP-UX operating uses JFS (Journaled File System) to store and maintain records of the data stored in your hard drive. Two main advantages of this file system are high flexibility and adaptability. Corruption of JFS primary results in unmountable hard drive and data inaccessibility. These data inaccessibility issues can be dealt by restoring the data from an updated backup. However, if you have not maintained any backup or your backup falls short to restore the required information, then you will need to use advanced HP-UX Recovery software that comprehensively recovers all your lost files and folders.

Consider a practical scenario, where you encounter following error messages, when you attempt to mount your HP-UX 11.0 system:

"Fileset 999 primary inode 95306 unreferenced file, reconnect? (ynq)y

Fileset 999 primary inode 95307 unreferenced file, reconnect? (ynq)y

Fileset 999 primary inode 95308 unreferenced file, reconnect? (ynq)y"



You encounter many more same error messages like above.

Cause:



The root cause for the occurrence of the above error messages is the file system corruption.

Resolution:



To troubleshoot and resolve the above error message, you will need to use the FSCK command with the alternate copy of the superblock. The alternate copy of the superblock is saved at below location:



/etc/sbtab



After searching the alternate superblock, then you will need to use FSCK command with -b option.



However, if the problem does not get resolved by applying the above resolution, then the only option left is to perform a clean reinstall of HP-UX operating system. A clean reinstall of HP-UX deletes all the formally stored files and folders on the hard drive partition. To recover the data after the reinstallation, you will need to use advanced HP-UX Data Recovery software.



These hp unix data recovery applications employ high end scanning methods to recover the lost data. These applications are easy to understand as they are built with highly graphical user interface. These ensure complete recovery of data after serious corruption scenarios like superblock or inode structure damage, Cylinder Groups damage, and OLT corruption.

Stellar Phoenix HP UNIX - Data Recovery is a feature rich HP-UX Recovery utility. This non-destructive tool is companionable with HP-UX file versions like HP-UX 10.x, 11 and 11i. It gets installed on Windows (2003, XP, 2000, NT3.51 and above, ME, 9x) and the affected HP-UX hard drive should be connected as slave.




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