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тАО03-30-2010 08:23 AM
тАО03-30-2010 08:23 AM
EVA 4400: controller 2 never gets managing controller of a LUN
even after creating a new vDisk with Preferred path/mode set to "Path B" the managing controller of the LUN always is controller 1 and not controller 2.
When changing the preferred path/mode for existing LUNs that are presented to VMware vSphere 4 from i.e. Path A (Controller 1) to Path B (Controller 2), the managing controller changes for some seconds but will then automatically revert to controller 1. This also happens when using fixed paths to Controller 2 in vSphere (where from my understanding the EVA should actually transition the LUN to the controller that is serving the most I/O).
Any ideas why it's not possible to get LUNs managed by controller 2? Firmware of the EVA 4400 is 09522000.
Thanks
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тАО03-30-2010 03:38 PM
тАО03-30-2010 03:38 PM
Re: EVA 4400: controller 2 never gets managing controller of a LUN
http://h20195.www2.hp.com/v2/getdocument.aspx?docname=4AA1-2185ENW.pdf
Section:
ESX multi-pathing configuration
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тАО03-30-2010 11:08 PM
тАО03-30-2010 11:08 PM
Re: EVA 4400: controller 2 never gets managing controller of a LUN
however, I've already read this document before and it actually states that I indeed should be able to change the controller ownership of a LUN by changing the preferred path mode. It also states that when using MRU or Round Robin in vSphere I actually should see a change to the new optimized path after changing the path mode on the EVA.
However, I'm not even able to change the path mode to controller 2 - even after setting path mode B, the managing controller means for the given LUN remains controller 1 or will revert back to 1 after seconds.
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тАО03-31-2010 02:52 AM
тАО03-31-2010 02:52 AM
Re: EVA 4400: controller 2 never gets managing controller of a LUN
That is the preferred setting when you use the RR path policy on ESX 4.
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тАО03-31-2010 03:23 AM
тАО03-31-2010 03:23 AM
Re: EVA 4400: controller 2 never gets managing controller of a LUN
As written above, this also happens when creating new vDisks from Scratch - even when setting them to controller 2, controller 1 is shown as managing controller.
Seems to be an issue with the EVA and not with VMware I think.
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тАО03-31-2010 03:28 AM
тАО03-31-2010 03:28 AM
Re: EVA 4400: controller 2 never gets managing controller of a LUN
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тАО03-31-2010 03:30 AM
тАО03-31-2010 03:30 AM
Re: EVA 4400: controller 2 never gets managing controller of a LUN
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тАО03-31-2010 03:33 AM
тАО03-31-2010 03:33 AM
Re: EVA 4400: controller 2 never gets managing controller of a LUN
Cache battery? Anything in the controller logs?
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тАО03-31-2010 03:40 AM
тАО03-31-2010 03:40 AM
Re: EVA 4400: controller 2 never gets managing controller of a LUN
http://www.abload.de/img/4400cachee4es.jpg
(An HSV300 controller has changed Battery Cache policy
View corrective actionsCorrective action code: 00)
I don't know whether this is normal and reporting controller controller 1 and not controller 2.
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тАО03-31-2010 03:48 AM
тАО03-31-2010 03:48 AM
Re: EVA 4400: controller 2 never gets managing controller of a LUN
c01941332 - ADVISORY: HP StorageWorks 4400 Enterprise Virtual Array can report false battery Hold Up Time (HUT) event: 0x0E13CA19
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01941332