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07-17-2003 07:57 AM
07-17-2003 07:57 AM
I have the following message spooling to the console of my K200. This machine is no longer under HP hardware maintenance.
Data redundancy has been lost in disk array on /dev/dsk/C4t0d0. Disk in slot B4 has failed.
Active hot spare warning on /dev/rdsk/C4t0d0. Unallocated space is too small for active hot spare.
The rebuild is currently at 62%. The array has 7 18.2 GB disks.
Once I get the new disk from my vendor, how should I proceed to replace it? Is it really hot-swapable? Is it actually hands-off? I am new to this particular crisis, so I appreciate your responses very much.
Thank you,
Solved! Go to Solution.
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07-17-2003 08:06 AM
07-17-2003 08:06 AM
Re: Replace disk in array 12H - Urgent.
Yes, it's really hot swappable. Pull out the failed drive in slot B4 and insert the new one. That's all there is to it.
Pete
Pete
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07-17-2003 08:07 AM
07-17-2003 08:07 AM
Solution# arraydsp -i
==> take note of the serial number of the array
# arraydsp -a
==> Look for the line "Overall State of Array".
Since you have time .. can you post the output of .. arraydsp -a
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07-17-2003 08:11 AM
07-17-2003 08:11 AM
Re: Replace disk in array 12H - Urgent.
In most cases, it's just pop the disk in and walk away. DO NOT REPLACE ANOTHER DISK until the rebuiild is finished.
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07-17-2003 08:12 AM
07-17-2003 08:12 AM
Re: Replace disk in array 12H - Urgent.
I don't think, from the message, that the rebuild will complete: "Unallocated space is too small for active hot spare."
I would think that the disk needs to be replace before the rebuild can continue.
Pete
Pete
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07-17-2003 08:14 AM
07-17-2003 08:14 AM
Re: Replace disk in array 12H - Urgent.
Pete
Pete
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07-17-2003 08:23 AM
07-17-2003 08:23 AM
Re: Replace disk in array 12H - Urgent.
They have a little tab on the bottom, you simply pull and the dead drive is out. Insert new drive. You get an lbolt, you are done.
The reall issue is making sure you get the RIGHT drive. Be sure.
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Owner of ISN Corporation
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07-17-2003 09:33 AM
07-17-2003 09:33 AM
Re: Replace disk in array 12H - Urgent.
The replacement disk will most likely be used, although I am not sure. Is there a difference in procedure whether new/used?
I have attached the results of the arraydsp -a.
Thank you,
Robb
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07-17-2003 09:46 AM
07-17-2003 09:46 AM
Re: Replace disk in array 12H - Urgent.
From your attachment we can see that the rebuild is now 89% complete. You should wait for the rebuild to complete, then simply replace the drive. At that point, we will find out whether "auto include" is enabled or not. If it is, you're all set - if not, you'll need to include it manually via the panel.
Pete
Pete
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07-17-2003 10:01 AM
07-17-2003 10:01 AM
Re: Replace disk in array 12H - Urgent.
Press Menu, then "+" until you see "Disk Changes" and then press Enter. Somewhere in there there should be an option that says "Include Disk", choose that one to perform the include operation of this disk into the array.
See this my reply in this thread ..
http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0x24199607df6ed711abdc0090277a778c,00.html
From your arraydsp -a output, the line ..
Used by non-included disks = 17366 MB
which represent the size of a single disk confirms that one of the disk is not functioning. In a normal 12H this line should say 0 MB. After you plug in the new disk, run arraydsp -a again and you should see that change plus the active hot spare space should come back (since hot spare is enabled) .. form the line ..
Active Hot Spare Desired = ENABLED
Later on you may want to followup on this thread and re-post arraydsp -a just to make sure. Just a suggestion ..
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07-17-2003 10:11 AM
07-17-2003 10:11 AM
Re: Replace disk in array 12H - Urgent.
Why? There were cases when autoraid was failing disk, but disk was not really bad. Only logs will show it (logprint -t All -v)
Eugeny
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07-17-2003 11:35 AM
07-17-2003 11:35 AM
Re: Replace disk in array 12H - Urgent.
I made a mistake earlier, there are 8 18.2 disks in the array.
My assumptions:
Used as Active Hot spare = 0 b/c the spare disk took over for B4 (failed)
I have an additional question, though. My machine rebooted when the disk failed. Is that related to the prior "Unallocated space is too small for active hot spare."? I thought that with hot spare enabled the array manager would hold back a drive as the hot spare. I guess I don't know why the reboot. I would have thought the hot spare would have kicked in w/o missing a beat.
Again, thank you for your response and I will assign points once things slow a bit and the machine is recovered.
Robb
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07-17-2003 12:42 PM
07-17-2003 12:42 PM
Re: Replace disk in array 12H - Urgent.
The machine should not have rebooted or hung. In fact, the failure should have been all but invisible to the OS other than the array monitoring daemon.
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07-17-2003 12:45 PM
07-17-2003 12:45 PM
Re: Replace disk in array 12H - Urgent.
At this point all you need to do is plug in the new disk once you got it and check the status of the array periodically to make sure everything is back to normal.
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