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тАО04-08-2006 06:54 AM
тАО04-08-2006 06:54 AM
FC60 array problems
SCSI Channel:ID = 1:3
Enclosure = 0
Slot (0-based) = 6
Disk State = NO RESPONSE
Disk Group and Type = 07A15C000A4001D9D9 LUN
Capacity = 0.0 GB
Manufacturer and Model = NO_VENDOR NO_MODEL
Serial Number = NO_SERIAL_NUM
Today HP-CE resitedt the drive and the amber light went away however what we see now is the following entry in the amdsp outpu. The disk state shows a replaced, we never replace any drive any suggestions as what happened here
SCSI Channel:ID = 1:0
Enclosure = 0
Slot (0-based) = 0
Disk State = REPLACED
Disk Group and Type = 07A15C000E4001DA73 LUN
Capacity = 33.9 GB
Manufacturer and Model = SEAGATE ST136403LC
Serial Number = LT047837
Firmware Revision = HP02
In the syslog I see the following entry any suggestions
HP Advanced Disk Array serial number 000800A0B8001B70: Disk drive inserted: Disk 1:2: LT278227: Vendor: SEAGATE : Product ID: ST136403LC
Thank you
Juan
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тАО04-09-2006 08:42 AM
тАО04-09-2006 08:42 AM
Re: FC60 array problems
The array utilities are probably confused, as the drive "disappeared", and then was re-inserted.
The important thing is the state of any LUNs you have created. Can you get some more information, and see if your mirrored/raid sets are intact?
Is this unit under a support contract with HP? If so, log a call. They'll walk you through some more advanced diagnostics.
-tjh
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тАО04-10-2006 11:00 PM
тАО04-10-2006 11:00 PM
Re: FC60 array problems
Has there been io to the lun yet?
Arend
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тАО04-11-2006 04:29 AM
тАО04-11-2006 04:29 AM
Re: FC60 array problems
Arend: there was a rebuild state for shor period of time and seems that resynced very quick.
The intersting point is that the 1:3 hanel ID was OPTIMAL after re-seated the drive. And another 2 drives from LUN 5 become unavailable. Called HP they suggested to force enable the drives.
After the drives were enable everything went ok. Has anybody seeing a issue where the FC60 lose connectivity to the drives and after re-enabling the drives everything is ok.
HP is suggesting to upgrade the firmware from HP10 (current) to HP12.
Anyone has any insides on the differeces.
Thank you
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тАО04-11-2006 04:47 AM
тАО04-11-2006 04:47 AM
Re: FC60 array problems
I think its a good idea to upgrade to HP12. Please have this arranged.
Arend
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тАО10-09-2006 12:56 AM
тАО10-09-2006 12:56 AM
Re: FC60 array problems
What were the steps for force enabling the disks? I am currently in the exact same situation with drives in REPLACED status after reinserting them.
Thanks,
Jose
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тАО10-09-2006 08:16 PM
тАО10-09-2006 08:16 PM
Re: FC60 array problems
With the following command you can put the drive in replaced status en start the rebuild:
amutil -rr 2:3
2:3 is just an example, you need to specify the drive that needs rebuilding.
Regards,
Arend
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тАО10-10-2006 01:45 AM
тАО10-10-2006 01:45 AM
Re: FC60 array problems
What I was looking for was the commands
that would take a working disk that was
reinserted and thus in a REPLACED state,
offline, then back online, to an OPTIMAL
state.
What I found and what worked was:
1) To take a disk offline
amutil -D
2) To bring a disk back online
amutil -d
Once the disks (3) were back online, the dead
LUN immediately began a rebuild and
successfully recovered.
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тАО10-10-2006 02:06 AM
тАО10-10-2006 02:06 AM
Re: FC60 array problems
I should NEVER put a disk online unless you know exactly what to do. Disks that have been offline should ALWAYS be rebuilded.
I did not give you the commands to do that on purpose as these are undocumented and very risky.
Regards,
Arend
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тАО10-10-2006 02:11 AM
тАО10-10-2006 02:11 AM
Re: FC60 array problems
The last disks that went offline can be setup to "online" but not the first one that went away.
I hope you understand what i mean.
When just 2 out of those 3 disks are set to "online' and the other (wrong one) is rebuilded then you might cause data corruption.
Regards,
Arend