IZ96325: MMFSCK: REBUILD THE ROOT DIRECTORY IF DESTROYED

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Readme and Release notes for release 3.4.0.5 GPFS-3.4.0.5-power-AIX
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APAR status

  • Closed as program error.

Error description

  • If filesystem corruption causes the root filesystem to be
    deleted, the lost+found directory cannot be created to
    collect disconnected inodes.
    The filesystem cannot be mounted, nor can any of the
    inode
    scans be done.
    

Local fix

Problem summary

  • Root inode with fatal issues causes complete loss of
    filesystem data which is not recoverable even by fsck.
    Though fsck promptly discovers the filesystem tree under
    the root as orphan it is not able to move them to lost+found
    as the lost+found itself resides under root which is not
    accessible.
    

Problem conclusion

  • Fix the problem by recreating a root directory and a
    lost+found underneath it and move the discovered
    orphans under the newly created lost+found.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IZ96325

  • Reported component name

    GPFS/AIX5L V3

  • Reported component ID

    5765G66AP

  • Reported release

    340

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2011-03-08

  • Closed date

    2011-03-08

  • Last modified date

    2014-09-10

  • APAR is sysrouted FROM one or more of the following:

    IZ96110

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    GPFS/AIX5L V3

  • Fixed component ID

    5765G66AP

Applicable component levels

  • R340 PSY U867627

       14/09/10 I 1000

PTF to Fileset Mapping

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Document information


More support for:

General Parallel File System for Linux on POWER

Software version:

340

Operating system(s):

AIX

Reference #:

IZ96325

Modified date:

2014-09-10

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