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Posted on 2016-09-19
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Last Modified: 2016-10-26
Hi
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.
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Question by:Mohammed mohammed
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Assisted Solution

by:Emmanuel Adebayo
Emmanuel Adebayo earned 500 total points (awarded by participants)
ID: 41806030
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.

https://support.microsoft.com/en-us/kb/2406705

Regards
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andyalder earned 1000 total points (awarded by participants)
ID: 41806294
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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Author Comment

by:Mohammed mohammed
ID: 41806394
It's Hp 3 par storage and FC
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LVL 17

Expert Comment

by:Gerald Connolly
ID: 41808072
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
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Author Comment

by:Mohammed mohammed
ID: 41808074
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.
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Expert Comment

by:Gerald Connolly
ID: 41808441
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?
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Assisted Solution

by:andyalder
andyalder earned 1000 total points (awarded by participants)
ID: 41809450
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.
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Author Comment

by:Mohammed mohammed
ID: 41810050
Hi

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.
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Assisted Solution

by:Gerald Connolly
Gerald Connolly earned 500 total points (awarded by participants)
ID: 41810063
FC Zoning is separate from IP addressing, its normally done on the FC switches
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Author Comment

by:Mohammed mohammed
ID: 41831495
Hi

Any help
Still I am facing issue, my drives are disappearing after every 6-8 days
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Assisted Solution

by:andyalder
andyalder earned 1000 total points (awarded by participants)
ID: 41832693
Check which DSM the other servers are using for MPIO.
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by:Gerald Connolly
Gerald Connolly earned 500 total points (awarded by participants)
ID: 41834435
So have you checked your FC zoning?
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Expert Comment

by:Gerald Connolly
ID: 41859951
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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