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SI47403 - OSP-INTSVRSUP ESX NWSSTG SAVES NOT REMOVING VM SNAPSHOTS

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

OSP-INTSVRSUP ESX NWSSTG SAVES NOT REMOVING VM SNAPSHOTS


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
PRE  5770SS1  710  SI43013   NONE     0029



NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
use system memory addresses not generated by the IBM translator,
including programs that circumvent control technology designed to limit
interactive capacity to purchased levels.  This PTF may be a prerequisite
for future PTFs.  By applying this PTF you authorize and agree to the
foregoing.

This PTF is subject to the terms of the license agreement which
accompanied, or was contained in, the Program for which you are obtaining
the PTF.  You are not authorized to install or use the PTF except as part
of a Program for which you have a valid Proof of Entitlement.

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APAR Error Description / Circumvention

-----------------------------------------------
A complex environment exists with 4 VMware ESX NWSDs with each
NWSD having 28 storage spaces linked as shared update to each
NWSD. The storage spaces are used in various ways including a
single VM on single storage space, some storage spaces have 11
virtual machines, some virtual machines span to 4 or more
storage spaces.



When performing a backup of these storage spaces, a "freeze"
phase correctly creates a snapshot of the active virtual
machines stored on the specified storage space.



When the save is done, the "thaw" phase is supposed to loop
through all the virtual machines again and delete the snapshots
that were created during the freeze phase, but an issue occurs
where all of the snapshot files are not being deleted correctly
after the save is complete.


CORRECTION FOR APAR SE52609 :
-----------------------------
An attempt to delete snapshots is done as quicly as possible,
but with a complex environment, contention accessing the VMware
hosts and attempting to delete snapshots occurs.  A change in
the administration service is being done which will wait for a
snapshot deletion to be complete by one host before requesting
the deletion of snapshots on subseqent hosts.


CIRCUMVENTION FOR APAR SE52609 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


********************************************************************
THE FOLLOWING ARE SUPERSEDED SPECIAL INSTRUCTIONS. IF THE SUPERSEDED
PTF HAS ALREADY BEEN APPLIED AND ITS SPECIAL INSTRUCTION FOLLOWED,
IT IS NOT NECESSARY TO FOLLOW THAT SPECIAL INSTRUCTION AGAIN.
********************************************************************

SPECIAL INSTRUCTIONS FOR SUPERSEDED PTF SI41531 :
=================================================

If any integrated ESX servers are active while PTF gets applied,
vary off the NWSD and then vary on again to start using the updated
administration monitor job.

SPECIAL INSTRUCTIONS FOR SUPERSEDED PTF SI36549 :
=================================================

- Vary off any active NWSD objects.
- Remove or Apply the PTF.
- Vary on the NWSD object.


Default Instructions

THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   SI46286      OSP-MEMORY LEAK POTENTIALLY CAUSING INVALID POINTER
   SI44893      OSP-INCORROUT ISCSI WINDOWS 2008 R2 WRKNWSSTG NOT RETURNING
   SI43012      OSP-ACTIVE SAVES OF SHARED UPDATE STORAGE ON ESX NWSDS
   SI41531      OSP-INTSVRSUP ESX VERSION FIELD INCORRECT
   SI39084      OSP-MSGCPDA45C RECEIVED WHEN VARYING OFF ESX NWSD
   SI36549      OSP-WRKNWSSTS SHOWS INCORRECT VERSION FOR *ESX NWSD
   SI36468      OSP-MSGCPF6708 NWSSTG SAVE RECEIVED AN UNHANDLED EXCEPTION

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770SS1
APAR Fixed..........................View details for APAR SE52609
Superseded by:......................View fix details for PTF SI51961
Recompile...........................N
Library.............................QNTAP
MRI Feature ........................NONE
Cum Level...........................C3037710


System i Support

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Document Information

Modified date:
29 August 2012