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IV59100: JFS2 FS MARKED CORRUPT WHEN USING FIND COMMAND NEEDING FSCK RUN APPLIES TO AIX 6100-09

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APAR status

  • Closed as program error.

Error description

  • A JfS2 FS can be marked corrupt when accessing a lot of
files(been seen with the
use of the find command). This results in fsck needing to
be run the
next time the FS needs to be mounted. The error report is
updated with symbol
addresses indicating problem happened  with the following
stack :

diRead+000354
iGet+000DF8
j2_lookup+000428
vnop_lookup+0001D4
lookuppn+000918
statxat+000320

It is caused by accessing stale metadata.  It occurs
rarely since
most of the time the metadata has acceptable data even
though
it is stale.  However when it does not have acceptable
data the FS can be
marked as corrupt.  The fix of the problem avoids stale
data from being accessed

Local fix

  • No local fix.

Problem summary

  • *************************************************************
* USERS AFFECTED:
* Systems running the 6100-09 Technology Level with
* bos.mp64 between and including the 6.1.9.0 and 6.1.9.2
* levels.
*************************************************************
* PROBLEM DESCRIPTION:
* Customers using jfs2 may see errpt showing the filesystem
* requires fsck with an error code of 0x34 (ESTALE).
* LABEL:          J2_FSCK_REQUIRED
* ERROR CODE
* 0000 0034
* However when fsck is run, it reports that no corruption was
* encountered.
*
* In this case, you may be experiencing a bug in jfs2 code
* that can cause it to mistakenly mark the filesystem as
* needing repair when it is not really needed.  If the
* situation is encountered, you should:
*  1. install this fix to ensure jfs2 will not mark the
*     filesystem dirty by mistake
*  2. unmount, run fsck, and remount to mark the filesystem
*     clean
*************************************************************
* RECOMMENDATION:
* Install APAR IV59100.
* Prior to fix availability, an interim fix is available from
* either
* ftp://aix.software.ibm.com/aix/ifixes/iv59100/
* https://aix.software.ibm.com/aix/ifixes/iv59100/
*************************************************************

Problem conclusion

  • correct a check on the read into the inode cache.

Temporary fix

  • *********
* HIPER *
*********

Comments

  • 6100-07 - use AIX APAR IV59227
6100-08 - use AIX APAR IV59225
6100-09 - use AIX APAR IV59100
6100-09 - use AIX APAR IV59100
6100-09 - use AIX APAR IV59100
7100-01 - use AIX APAR IV59232
7100-02 - use AIX APAR IV59229
7100-03 - use AIX APAR IV57361
7100-03 - use AIX APAR IV57361
7100-03 - use AIX APAR IV57361
7100-04 - use AIX APAR IV59708

APAR Information

  • APAR number

    IV59100

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Submitted date

    2014-04-10

  • Closed date

    2014-04-10

  • Last modified date

    2016-05-10

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

    IV57361

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

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U859304

       UP14/05/21 I 1000 «

PTF to Fileset Mapping

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Document Information

Modified date:
10 May 2016

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