G06.29 Release Version Update Compendium

Operating System
G06.29 Release Version Update Compendium—542946-001
2-10
Fallback
Fallback
In summary, if you are falling back to:
DP2
Before migrating to G06.29, HP strongly recommends that you install the DP2 fallback
SPR T9053G11^AQS. Installing this fallback SPR enables you to, after fallback,
access OSS files smaller than 2 GB that were created by the new software. Installing
the T9053G11^AQS SPR requires a system load. T9053G11^AQS is included on the
G06.28 SUT.
If the DP2 fallback SPR is not installed, you cannot use either OSS or Enscribe to
access any OSS file that has an underlying Guardian file format of Format 2, even if
the files are smaller than 2 GB.
If the T9053G11^AQS DP2 fallback SPR is installed:
•
OSS files smaller than approximately 2 GB are converted to use an underlying
Guardian file format of Format 1 when opened, so that the files remain accessible
using 32-bit APIs. The file size cannot exceed the limit of approximately 2 GB.
•
OSS files larger than 2 GB are no longer accessible through the OSS file system
and utilities, and DP2 returns errors for any operation other than purging them.
However, you can use Enscribe with 64-bit elections to access the files from
Guardian.
•
A file smaller than 2 GB that was converted to Format 2 on G06.29 appears initially
to most utilities (except DSAP/DCOM T9543G08^ABJ) as a zero-size Format 2 file
after fallback. When the file is accessed for the first time after the fallback, it is
converted to Format 1 and shows its actual size.
Any pre-G06.29 RVU: Install the DP2 fallback SPR:
•
T9053G11^AQS
A G06.24 to G06.28 RVU: Also install the DSAP/DCOM SPR:
•
T9543G08^ABJ
A G06.23 to G06.28 RVU: Also install the Backup and Restore 2 SPRs:
•
T2721G06^AAL
•
T2722G06^AAL
•
T2749G06^AAL
•
T2750G06^AAL
A G06.23 to G06.27 RVU: Also install the file system SPR:
•
T9055G11^AFI (G06.23 to G06.26)
•
T9055G12^AFJ (G06.27)