A new firmware level has been released and corrects a serious bug :
- Storwize V7000 and SVC : 6.3.0.2 (30 March 2012)
- Storwize V7000 Unified : 1.3.0.5 (2 April 2012)
This strange bug due to a known Linux kernel issue which result in a kernel panic (due to a internal counter overflow) after 208 days of uninterrupted time and reboot of both nodes was affecting SVC controller nodes, Storwize V7000, and Storwize V7000 unified block node canisters.
This issue affects the following releases : 6.2.0.x (excepting V6.2.0.5), 6.3.0.x, 1.3.0.x (for unified)
For more information : http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004038
Here is a part of the release note :
 APARs resolved in this release (6.3.0.2):
Critical Fixes
    There is a serious issue on 6.2.0.0 releases and higher that will result in node
    canisters rebooting after 208 days of continuous uptime since their last power cycle
    or software upgrade. This issue is fixed in this release. Â
Refer to the following flash for more information:
http://www.ibm.com/support/docview.wss?uid=ssg1S1004038
IC80846Â Â Â Â Â Â Â Â Â Multiple node asserts due to receipt of a malformed SCSI request from
a backend storage controller
IC81273Â Â Â Â Â Â Â Â Â All nodes assert simultaneously when a Global Mirror Change Volume is
created using the Volume ID of a Volume that had previously been a
FlashCopy target of a Volume in a remote copy relationship
IC81418Â Â Â Â Â Â Â Â Â All nodes assert simultaneously when a migration of a Volume to image
mode fails
High Importance Fixes
IC79840Â Â Â Â Â Â Â Â Â Node assert following issuing of chvdisk -cache none command to
thin provisioned Volume
IC80466Â Â Â Â Â Â Â Â Â Configuration node unavailable after upgrade to 6.3.0.x
IC81571Â Â Â Â Â Â Â Â Â 1630 errors following upgrade for 6.3.0.x
IC81627Â Â Â Â Â Â Â Â Â Node assert caused by internal FlashCopy notification behaviour
IC81791Â Â Â Â Â Â Â Â Â Node assert during software upgrade
Suggested Fixes
IC81354Â Â Â Â Â Â Â Â Â Incorrect MDisk WWPN mappings listed following upgrade to 6.2.0.x
APARs resolved in Storwize V7000 Unified File Module 1.3.0.5:
Critical Fixes
IC82264Â Â Â Â Â Â Â Upgrade from 1.3.0.0 to 1.3.0.2 failed
High Importance Fixes
IC82260Â Â Â Â Â Â Â Replication fails after R1.3 upgrade
IC82298Â Â Â Â Â Â Â TSM backups fail after upgrade to 1.3
IC82273Â Â Â Â Â Â Â Replications hang after upgrade to 1.3
PS : HP have the same issue with HP P4000 SAN/iQ software version 9.0 and 9.0.01 (http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=4118659&prodTypeId=12169&objectID=c03090774)
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