HP-UX Virtual Partitions Release Notes A.05.08

Known Problems and Workarounds
This section provides a list of problems and limitations known to HP at the time of publication. If
workarounds are available, they are included. For information on specific defects, see the HP ITRC
at http://itrc.hp.com.
• No support of agile addressing (extended hardware paths) for non-11.31
virtual partitions in mixed HP-UX 11i v1/v2/v3 vPars environments
Related Defect ID and Patch Number
QXCR1000764993
Applicable On
vPars A.04.xx on HP-UX 11i v2 (B.11.23), vPars A.03.xx on HP-UX 11i v1 (B.11.11)
Description
Any agile hardware path placed into the vPars database (/stand/vpdb) cannot be used to
boot HP-UX 11.11 or HP-UX 11.23 virtual partitions.
Symptoms
Virtual partition OS panic, of the following type:
panic: all VFS_MOUNTROOTs failed: NEED DRIVERS ?????
Workaround
Use legacy hardware paths when assigning boot paths to virtual partitions running HP-UX v2
(B.11.23) or HP-UX v1 (B.11.11).
• Configuring a virtual partition with a low amount of base memory can
result in a system hang or lead to slow system performance
Symptoms
System hang or slow system performance
Workaround
Configure the virtual partition with enough base memory using the guidelines in the following
table.
Minimum Base MemoryTotal Memory Assigned to the Virtual Partition
1/2 of total memory1 GB to 8 GB
4 GB8 GB to 16 GB
1/4 of total memoryOver 16 GB
• Dynamically adding RAM on PA-RISC servers with older PDC firmware
causes a panic in mixed HP-UX 11i v1/v2/v3 vPars environment
Applicable On
vPars A.05.xx on PA-RISC
Description
If PDC firmware is not updated, side effect can be a panic during dynamic memory migration.
Symptoms
Panic during dynamic memory migration.
8 vPars A.05.08 Release Notes