Storage Drive

Please help me to solve out below issue.
I have shared 4 drives from storage to 1 application blade server but after every 3-4 days drives are automatically disconnecting from server and it causes that our replication stops, I am getting below errors:
\Device\MPIODisk0 is currently in a degraded state. One or more paths have failed, though the process is now complete.
A fail-over on \Device\MPIODisk0 occurred.
Microsoft DSM returned a bogus Path to \Device\MPIODisk0.
The device, \Device\Harddisk0\DR0, is not ready for access yet.
Mohammed mohammedAsked:
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Emmanuel AdebayoGlobal Windows Infrastructure Engineer - ConsultantCommented:
This is a known issue with MS and there is a hotfix available for it. Pls visis MS site below for more info and the hotfix to download.

That hotfix may well stop the drive failing when one redundant path fails but you really also need to address the loss of path and that's pretty much guesswork as we don't know what storage you have, you don't even tell us if it's FC or iSCSI attached.

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Mohammed mohammedAuthor Commented:
It's Hp 3 par storage and FC
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Gerald ConnollyCommented:
So what does your SAN look like, how many adapted (and ports) how many switches and how are they connected, how are your zones setup
Mohammed mohammedAuthor Commented:
We have 2 SAN Switch and hp blade enclosure and Storage, switch and enclosure are having fiber connectivity and I exported drives to other servers also in that enclosure but those are ok but issue is with new application server which i mention above.
Gerald ConnollyCommented:
So the new application server is wired exactly like the others?

What about your zoning?

Not an expert on 3Par, but is there some configuration required on here?
There's a DSM for 3Par, it doesn't use the generic MS one. Cabling can't really be an issue with SAN switches in the blade enclosure but zoning can be.
Mohammed mohammedAuthor Commented:

Yes, server is wired exactly like others and don't know about zone but i think it will be same and all enclosure servers are in same ip range.
Gerald ConnollyCommented:
FC Zoning is separate from IP addressing, its normally done on the FC switches
Mohammed mohammedAuthor Commented:

Any help
Still I am facing issue, my drives are disappearing after every 6-8 days
Check which DSM the other servers are using for MPIO.
Gerald ConnollyCommented:
So have you checked your FC zoning?
Gerald ConnollyCommented:
No response from Author. Plenty of advice on potential solutions from the Experts.

It is assumed that one or more of the experts comments have resolved the problem.
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