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August 24th, 2009 09:00

Problem configuring a Clariion disk on a windows host.

Hi All,

We recently added a new windows host to our SAN (zoned to a CX3 array - 4 paths). Binded a 100g lun and added it to the storage group of the host. But when we try to configure disk on the host, the same disk showed up 4 times.

We have the latest version of the powerpath installed on the server. But under powerpath administration, nothing is showing up, not even HBA adapters.

Went into SAN Surfer HBA s/w and checked the disk status, we can see the same disk twice under each HBA port.

Could anyone let me know what might causing the issue and what needs to be done to isolate the problem.

2 Intern

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20.4K Posts

August 24th, 2009 10:00

you know i have to ask :) ...have you rebooted ?

82 Posts

August 24th, 2009 11:00

No. Just rescanned as we normally do for all windows hosts.

2 Intern

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20.4K Posts

August 24th, 2009 11:00

reboot it, it does wonders for Windows

2.1K Posts

August 24th, 2009 12:00

And sometimes it works even better when you just shut it down and leave it there, right dynamox? *lol*

Honestly, I wish Windows was a more stable predictable environment, but it certainly does have it's advantages as well. (Like the fact I've used it most of my professional life and understand it inside out).

2.1K Posts

August 24th, 2009 12:00

If that doesn't do it for you I'd double check your initiator settings on the array. Make sure you are configured properly for a Windows host with Powerpath. Then I would check the Compatibility Matrix (eLab Navigator) again to make sure there are no "gotchas" for your specific configuration (e.g. Windows patches required, specific settings on the HBA, version of driver, etc.)

82 Posts

August 24th, 2009 13:00

Thank you for all your suggestions, but uninstalling and reinstalling powerpath s/w worked for us.

I'm not sure y it showed up with 4 disks intially. Now we are good. Thank you all.

2 Intern

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20.4K Posts

August 24th, 2009 13:00

And sometimes it works even better when you just shut
it down and leave it there, right dynamox? *lol*

hehe ..indeed, step away from the server :)

i really like windows, especially from disk management perspective, it's simple and it works.

2.1K Posts

August 24th, 2009 13:00

Sounds like one of those Windows quirks (well, to be fair this CAN happen on other operating systems as well). Something just didn't quite "take" on the first install so the OS was seeing the four paths to the device as separate physical devices.

Glad to hear you got it cleared up.
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