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willmc1

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10 years ago

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willmc1

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July 13th, 2016 14:00

(Hopefully) Basic EMC Powerpath/Clarion/VNX Question

Hello Community,

I am a lifetime Computer/IT person, but have dealt very little directly with EMC products other than they are there with other's dealing with day to day issues on them.  I need help with what I hope is a basic question.

I have a large set of servers at my current client that are using, in part, various EMC based storage devices.

Recently I am having quite a few issues with storage going unavailable on several servers and, in tracking this I discovered the Powerpath utility is reported things that appear to be issues or errors.  When I report these issues to the only 'Storage' (part time and part time other IT things) person I have to talk to about this he says these are 'Normal'.  I need help to determine if this is true or if there are real issues.

On one particular server I am seeing Degraded disks and Failed paths on a SQL Server that has basically had SQL crashes 3 times in the past 2 weeks.  He keeps saying 'it is not a storage issue'.  All the Data & Logs are located on VNX or Clarion devices.

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I just want to know if there is anything here worth pursuing?  I am seeing a lot of 'errors' from Powerpath, Clarion and EmcpMpx in the event logs.  These may or may not be 'errors' at all, but that is part of what I am trying to get at.

I need to find a root cause for these failures.  This is a production system with many users.  There are no other noteworthy errors on the server itself.  SQL itself appears healthy and I have run system diags on all other components.

Any help or advice is appreciated.

Will Mc