3PAR InForm OS 2.3.1 MU2 Release Note (325-200142 Rev B, October 2010)

2.8
Modifications to the InForm OS
3PAR InForm OS Release Notes InForm OS Version 2.3.1 MU2
3PAR Confidential
53686 Deleting snapshots with
fragmented data patterns can
overflow a 16-bit counter.
There is an internal 16-bit counter that
keeps track of how many meta data
pages are needed during snapshot
removal. When snapshot data
allocation are extremely random or
fragmented, the number of meta data
pages required can overflow the 16-
bit counter. The counter has been
increase to a 32-bit counter.
54773 InServ Storage Servers running
InForm Operating System 2.3.1 or
2.3.1 MU1 can experience leaking
mirror memory log entries.
InServ Storage Servers that have
optional Thin Persistence software
installed and use InForm Operating
System 2.3.1 or 2.3.1 MU1 are exposed
to the possibility of leaking mirror
memory log entries in the controller
nodes. This leak could lead to an
InServ reboot upon unplanned or
planned shutdown of a controller
node. The planned shutdown of a
controller node includes events
involving controller node hardware
upgrades (e.g. Host Bus Adapters) and
InForm OS online upgrades.