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-   -   SAN path failure (http://www.datacentertalk.com/forum/showthread.php?t=14870)

fastnetwork 01-11-2009 03:12 PM

SAN path failure
 
We have SAN storage and have 2 paths. One of the path is failing most of the time. What may be the problem. Do you think problem with GBIC module? What would you recommend to fix or troubleshoot?

Thanks in advance.

JH GLCOMP 01-11-2009 05:10 PM

It could be any number of failures - bad HBA, cable, GBIC/SFP, I/O Module, switch port, switch....I would go about it by process of elimination. It might help if you can describe the hardware brands/models you are using

fastnetwork 01-12-2009 12:35 PM

Thanks a lot. We have emulex card and I used lputil to debug and found out that problem with HBA card. Thanks a ton.

Schumie 01-17-2009 07:53 PM

Get some debugging enabled and trace the logs- take it logically..

- Is it just one server or all servers that get impacted?
- What do your SAN switches tell you? Are one of your trunk links flapping?

Those are a couple of the things I'd start to be thinking about.


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