Problem Description
-------------------
Under certain circumstances, a 4K page of data from a deleted or truncated
file could be written to a new file.  This problem can only occur running
the JFS filesystem, not JFS2.


Patches
-------
The following patches are available in E-fix Manager format, pending
availability of the fully tested PTFs.

  +-----------+----------------+
  | AIX Level | Package Name   |
  |-----------|----------------|
  |   4.3     | IY49385.epkg.Z |
  |-----------|----------------|
  |   5.1     | IY49254.epkg.Z |
  |-----------|----------------|
  |   5.2     | IY49304.epkg.Z |
  +-----------+----------------+


Prerequisites
-------------
The following prerequisite levels are required before the patches can
be applied.

AIX 4.3:  bos.mp or bos.up at the 4.3.3.91 level.  Also, bos.rte.install
          at the 4.3.3.83 or later level is required to support the
          E-fix Manager.

AIX 5.1:  bos.mp or bos.up at the 5.1.0.54 level, or bos.mp64 at the
          5.1.0.55 level.

AIX 5.2:  bos.mp64, bos.mp, or bos.up at the 5.2.0.14 level.

The requisite fileset updates can be obtained from the pSeries Electronic
Fix Distribution Center at:

  https://techsupport.services.ibm.com/server/aix.fdc


Installation
------------
Download the appropriate patch package in binary format.
Use the following command to install the appropriate patch depending upon
your operating system level, replacing "package_name" with the package
name listed in the Patch section.

  emgr -e package_name



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