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ELOQUENCE B.07.10 - patch PE71-0602282

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This patch adds enhancements or fixes defects of the dbrecover utility
as released with Eloquence B.07.10. This patch will be integrated in 
the Eloquence B.07.10 release.

Eloquence B.07.10 must be installed before applying this patch.

Severity:
 PE71-0602282: ENHANCEMENT, BUG FIX

Superseded patches:
 none


Patch PE71-0602282
------------------

Platforms: All

* A rare defect with forward-recovery was fixed that could result in 
  a corrupted volume set (#2999). This causes an internal consistency 
  check to fail and eloqdb6 to abort on startup with an error message
  like below:
  
    Assertion failed: page == new_vol->flist_tail
    server panic: Aborting on internal failure, file volume.c, line 3988

  This problem could happen if the data volume was extended and the
  volume list of available blocks had to be extended as well (this
  is required around every 500 MB). The recovery then missed to update
  the flist_tail field in the volume header, causing a panic the next 
  time the server was restarted.

  The dbrecover utility was fixed to correctly update the flist_tail
  field. In addition the eloqdb6 behavior was modified to detect 
  and correct this problem on startup. A notice is written to the 
  server event log file in this case.

* The dbrecover utility was modified to add support for the modified
  forward-log file format added with eloqdb6 patch PE71-0602280.
 
  The eloqdb6 server process was enhanced to use a more efficient 
  format to record index and meta data changes. 
  This enhancement results in a substantial reduction in disk space
  for the forward-log file when index entries are changed frequently.
 
  This change required a modification of the forward-log file format.
  While older forward-log files are still supported, related utility
  programs need to be updated to handle the new format.

* Changed the Windows file version to "7.1.0.6"


Notes / Related patches:

- The following related patches (or superseding) should be installed 
  with this patch:
  - PE71-0602280 - eloqdb6 server
  - PE71-0602281 - dblogreset utility
  - PE71-0602283 - fwaudit utility


Installation:
-------------

Please download the patch archive that corresponds with the installed
release.  The patch files follow the conventions below:

   PE71-0602282-hpux-ia64.tar.gz
        ^       ^    ^
        |       |    Architecture / OS specific build
        |       Operating system
        Patch ID


HP-UX:

In order to install this patch, you need to unpack it with gzip and tar.
Gzip is included with HP-UX. Installation requires root privileges.

cd /opt/eloquence6
gzip -dc /path/to/PE71-0602282-hpux.tar.gz | tar xf -

Files:

   bin/dbrecover
   share/doc/PE71-0602282-README


Linux:

In order to install this patch, you need to unpack it with tar.
Installation requires root privileges.

cd /opt/eloquence6
tar xzf /path/to/PE71-0602282-linux.tar.gz

Files:

   bin/dbrecover
   share/doc/PE71-0602282-README


Windows XP/2000/NT:

This patch should *only* be installed if you previously installed
the Eloquence server components on your system.
Installation requires administrative capabilities.

Two options are available for patch installation. The patch is
available as self extracting archive for automatic installation
and as a zip archive for manual installation. Both patches are
equivalent. Installation requires administrative capabilities.

For autmatic installation of this patch, please download the patch
file PE71-0602282-win32.exe file. Before installation, please
consider closing all applications and execute the patch installation
program. Installation does not require a reboot unless the patched
files were active.

For a manual installation of the patch, please download the
patch file PE71-0602282-win32.zip file and unpack its contents.
Then perform the following steps:

* Please copy the dbrecover.exe file into the bin subdirectory of your
  Eloquence installation (for example C:\Programs\Eloquence\bin).

* Please copy the PE71-0602282-README.txt file into the share\doc
  subdirectory of your Eloquence installation (for example
  C:\Programs\Eloquence\share\doc).

Files:

   dbrecover.exe
   PE71-0602282-README.txt