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Boot from SAN using Clariion CX4xx & HP blade servers

Posted on 2010-04-01
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I am trying to set up an HP Blade C7000 to boot from SAN on an EMC Clariion array.  I am attempting to install Windows 2003 & Windows 2008.  When I boot the blade, it is able to see the allocated LUN on the clariion; however, Windows doesn't recognize it as a bootable partition.
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Question by:RetalixUSA
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by:Alexey Komarov
ID: 29424599
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by:RetalixUSA
ID: 29606946
went through that document already. to be honest that came up first in a google search, not something I expect to see from "Experts Exchange". assume we walked through the straight forward steps, what we are seeing is that the windows OS can see the assigned space but can't write to it. This may be a configuration issue on the Clariion shelfs. anyone with Clariion experience have any suggestions? Thanks.
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by:RetalixUSA
ID: 29756231
figured it out. The issue was that there were two WWPN's able to access the lun, however in the BIOS their was only one for the HBA. Once I removed the (B) side of the fabric and changed the zone to only one WWPN for the Clariion it was able to write to the disk. The problem I am having now is that the install is stuck in an infinite loop. It copies over the files, then reboots...and begins the whole process over again. All in all...boot from san is not impressive.
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by:Alexey Komarov
ID: 29756894
I am glad that at you has turned out.
2. Allow a single path to storage when installing the operating system (OS). For multiple HBA port configurations, only one HBA port should be connected to the SAN during installation. The same restriction applies to the storage controller ports.
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RetalixUSA earned 0 total points
ID: 30146066
sorry, I have been busy building out this environment. the issue was that even after removing one HBA to enable writing to the SAN space it was not the HBA that was set to boot from. So it would copy the files over, but would not be able to boot as the boot HBA was not the same. Once I fixed that issue it is good to go. All in all though still prefer booting from a local disk. A lot points of failure...
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