HP-UX Logical Volume Manager and MirrorDisk/UX Release Notes HP-UX 11i v3 (October 2010)

Table of Contents
Logical Volume Manager and MirrorDisk/UX Release Notes......................................5
About this document..............................................................................................................................5
LVM and MirrorDisk/UX overview........................................................................................................5
Overview of changes.........................................................................................................................5
Known problems fixed in this version...................................................................................................5
Known problems and limitations...........................................................................................................6
Known problems...............................................................................................................................7
Auto pre-allocation occurs for all unsharing if distributed snapshot has 2 PVs.........................7
Auto pre-allocated, distributed snapshot threshold considers all LV pre-allocated extents in
PV.................................................................................................................................................7
Activation of Version 2.2 VG with space-efficient snapshots fails to properly mark snapshots
as read-only when there are no free extents................................................................................7
The lvextend command fails to increase the number of pre-allocated extents...........................8
Limitations.........................................................................................................................................8
Installation requirements........................................................................................................................8
Required hardware............................................................................................................................9
Required software.............................................................................................................................9
Required patches...............................................................................................................................9
Mass Storage Critical Resource Analysis.....................................................................................9
mkfs and mkboot commands.....................................................................................................9
HP Serviceguard..........................................................................................................................9
VxVM commands.......................................................................................................................10
Required disk space.........................................................................................................................10
HP Insight Remote Support Software...................................................................................................10
Compatibility issues..............................................................................................................................10
Version 2.x volume groups..............................................................................................................10
Moving from HP-UX 11i v2 to HP-UX 11i v3.................................................................................11
Moving volume groups from HP-UX 11i v3 to previous HP-UX releases.....................................11
Sharing volume groups in an HP Serviceguard cluster..................................................................12
Related documentation.........................................................................................................................12
Software Availability in Native Languages..........................................................................................13
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