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тАО03-24-2008 11:44 PM
тАО03-24-2008 11:44 PM
Smart Array P400
We ara having some weird problems with our 2,5 inch SAS drives...
We have DL380 G5 server with 8 SAS disks installed.
Now it happens that Disks in Bay 3 and bay 4 (Running RAID 1+0) are marked as failed.
First one disk (Bay 3) is failed, second is OK... I replace disk do rebuild and everything is fine for 13-16 hours. Then OTHER disk (Bay 4) is marked as failed... I took disk out and the plugged in SAME disk and it works fine...
I suppose that it is Array controller problem and not disk problem...
See images attached (SCSI bus faults??!)
http://www.nabiralnik.eu/img/sas1.jpg
http://www.nabiralnik.eu/img/sas2.jpg
Thanks for help!
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тАО03-25-2008 12:38 AM
тАО03-25-2008 12:38 AM
Re: Smart Array P400
Did you make a controller firmware update? The latest is 4.12.
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тАО03-25-2008 12:49 AM
тАО03-25-2008 12:49 AM
Re: Smart Array P400
I updated to this version 1 week ago...
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тАО03-25-2008 04:18 AM
тАО03-25-2008 04:18 AM
Re: Smart Array P400
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тАО03-25-2008 04:34 AM
тАО03-25-2008 04:34 AM
Re: Smart Array P400
can you run online diagnostic from system management homepage, it will detect predictive
failure.
Can you share array diagnostic report to isolate the issue.
why it is failing , probably suspection goes to scsi backplane
.......... Amrit
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тАО03-25-2008 05:07 AM
тАО03-25-2008 05:07 AM
Re: Smart Array P400
The problem has not popped up since.
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тАО03-25-2008 06:17 AM
тАО03-25-2008 06:17 AM
Re: Smart Array P400
OK I did following:
1. Reseated all drives
2. Reseated cabling inside the server
3. Unplugged SAS controller and plugged it back in
4. Removed power cables and plugged them back in after 5 mins
Runned diag of drives all drives passed the test so this is 100% NOT the HDD fault...
I attached Array report, hope you find out more than I did..
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тАО03-26-2008 12:03 PM
тАО03-26-2008 12:03 PM
Re: Smart Array P400
I will probably DEGRADE firmware as it may be firmware error of some kind...
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тАО03-26-2008 09:11 PM
тАО03-26-2008 09:11 PM
Re: Smart Array P400
you can try that or suspect for a faulty HDD backplane...
regrds
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тАО03-27-2008 05:38 AM
тАО03-27-2008 05:38 AM
Re: Smart Array P400
OK I have new smart array and backpanes for HDD from other same server...
If I replace them both will I loose my raid fields? And possibly all of my data?
I know If I only replace Smart Array there should be no problem at all but what about backpanes?
Thanks for reply!