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06-07-2010 07:28 PM
06-07-2010 07:28 PM
Had a power outage here and UPS could not hold for long enough. When power cam back on, one of the shelves was not powering up because of a failed PSU. But the MSA1500 did start. Trying to access this shelve, it found that all drives had failed and concluded the death of the unit. BUT, in truth the unit is not dead, just the shelve didn't power up!
Now the status is:
Unit 2:
In PDLA mode, Unit 2 is Lun 3; In VSA mode, Unit 2 is Lun 2.
Unit Identifier :
Device Identifier : 600508B3-0091FB70-E907EF7D-B1C00013
Preferred Path : Controller 2 (other controller)
Cache Status : Enabled
Max Boot Partition: Enabled
Volume Status : VOLUME FAILED (Media_exchanged)
Parity Init Status: waiting for first write
12 Data Disk(s) used by lun 2:
Disk108: Box 1, Bay 08, (B:T:L 0:09:00) REPLACED MARKED OK
Disk109: Box 1, Bay 09, (B:T:L 0:10:00) REPLACED MARKED OK
Disk110: Box 1, Bay 10, (B:T:L 0:11:00) REPLACED MARKED OK
Disk111: Box 1, Bay 11, (B:T:L 0:12:00) REPLACED MARKED OK
Disk112: Box 1, Bay 12, (B:T:L 0:13:00) REPLACED MARKED OK
Disk101: Box 1, Bay 01, (B:T:L 0:00:00) REPLACED MARKED OK
Disk102: Box 1, Bay 02, (B:T:L 0:01:00) REPLACED MARKED OK
Disk103: Box 1, Bay 03, (B:T:L 0:02:00) REPLACED MARKED OK
Disk104: Box 1, Bay 04, (B:T:L 0:03:00) REPLACED MARKED OK
Disk105: Box 1, Bay 05, (B:T:L 0:04:00) REPLACED MARKED OK
Disk106: Box 1, Bay 06, (B:T:L 0:05:00) REPLACED MARKED OK
Disk107: Box 1, Bay 07, (B:T:L 0:08:00) REPLACED MARKED OK
Spare Disk(s) used by lun 2:
Disk201: Box 2, Bay 01, (B:T:L 1:00:00)
Logical Volume Raid Level: DISTRIBUTED PARITY FAULT TOLERANCE (RAID 5)
stripe_size=64kB
Logical Volume Capacity : 764,107MB
and I ask myself: don't I have any options to get this volume back? I mean the whole bank of disks is just fine now that it has power? There's got to be a way of getting the MSA head to give it another chance? I have a backup on tape, but still, I think it's silly to kill a perfectly fine unit just because of the shelve powering up too late.
Thanks much for the advice!
-Gunther
Solved! Go to Solution.
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06-08-2010 04:05 AM
06-08-2010 04:05 AM
Re: Good drives, but MSA1500 kills unit "VOLUME FAILED (Media_exchanged)" after power outage+PSU failure
When a Smart Array suffer from multible disk failure it will disable the logical drive.
When you got all disks back on-line all you need to do, is to enable the logical drives again.
You can do that from the ACU.
I canøt rembemer excatly, but it's fairly strait forward.
Had to do it my self for more than 1 year ago.
No data loss at all :)
BR
/jag
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06-08-2010 05:14 AM
06-08-2010 05:14 AM
Re: Good drives, but MSA1500 kills unit "VOLUME FAILED (Media_exchanged)" after power outage+PSU failure
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06-08-2010 05:28 AM
06-08-2010 05:28 AM
Solutionhttp://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c01183955/c01183955.pdf
Recognizing a failed unit.
I belive, that is the answer.
I have never used the CLI myself.
BR
/jag
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06-08-2010 05:43 AM
06-08-2010 05:43 AM
Re: Good drives, but MSA1500 kills unit "VOLUME FAILED (Media_exchanged)" after power outage+PSU failure
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06-08-2010 08:14 AM
06-08-2010 08:14 AM
Re: Good drives, but MSA1500 kills unit "VOLUME FAILED (Media_exchanged)" after power outage+PSU failure
This worked.
I am glad this subject will now be indexed on Google by the exact error message.
kind regards,
-Gunther
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06-08-2010 08:16 AM
06-08-2010 08:16 AM
Re: Good drives, but MSA1500 kills unit "VOLUME FAILED (Media_exchanged)" after power outage+PSU failure
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06-08-2010 08:19 AM
06-08-2010 08:19 AM
Re: Good drives, but MSA1500 kills unit "VOLUME FAILED (Media_exchanged)" after power outage+PSU failure
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06-08-2010 08:35 AM
06-08-2010 08:35 AM
Re: Good drives, but MSA1500 kills unit "VOLUME FAILED (Media_exchanged)" after power outage+PSU failure
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06-21-2010 04:33 AM
06-21-2010 04:33 AM
Re: Good drives, but MSA1500 kills unit "VOLUME FAILED (Media_exchanged)" after power outage+PSU failure
BR
/jag