RAID degraded - RedundancyScrub error message

Hi all,
Even though my problem is not on an X-Serve box but on a MacPro (2008), I run OSX Server 10.5.4 and have not found anything in the MacPro or Server OS forums, hence my post here in the hope of an experienced admin being able to help here.
After having a new RAID 5 setup on 4x500GB Seagate SATA drives and Apple's RAID card running fine for over 2 months, I ran the 10.5.4 update (after much deliberation on the pro's and con's) and promptly had this issue. Only found out a few days after running the update though, and after going through all logs, I could pin the problem to exactly the time of immediately after the OS update. I have searched high and low to find anything in the RAID and OS Server forums, but haven't found anything there to resolve this error message with or without cli:
The "RedundancyScrub" command could not be executed. (The request failed because a volume service is currently running)
Yes, have tried to verify RAID, only to get an error popup when trying to verify...
Could not verify the RAID set "RS1". there was a problem communicating with the device.
Since it is basically still running ok, but degraded, I need to do something, even if it means a wipe and re-install of the entire Server OS and RAID setup. I have had a few issues with Leopard anyway, and was thinking of doing a final clean install when .5 update is out that may tidy up a few more issues. But, any help in the meantime from an experienced RAID or X-Serve admin would be much appreciated.
Thanks
Chris

I had to go on to Apple's list to find this, sorry about the length...it fixed my problem
A client of mine accidentally removed a drive from his RAID-5
array on an Intel XServe. He reinserted the drive and all three 1
TB drives show up as good, but the set is showing as degraded.
The log shows Degraded RAID Set R0-1 No Spare Available for
Rebuild.
When I attempt to run a verify, it says "Could not verify the
RAIDset R0-1, There was a problem communicating with the device."
After that the log shows "The redundancy Scrub command could not
be executed. The request failed because a volume service is
currently running."
Googling this brings up a similar problem that two other people
are having, but no one has a solution. Have any of you run into
this?
Hi, Mike,
If you just replaced Apple Drive modules, the new one still will
not be as spare drive for your raid set. You have to tell RAID
card a spare drive came.
You can do for this both CLI and GUI.
CLI:
- - use 'raidutil' command.
$ sudo raidutil modify drive --addglobalspare -d <DriveBayNumber>.
For more information, see raidutil(8).
GUI:
- - Launch /Applications/Utilities/RAID Utility.app
Select 'Make Spare...' from menu 'RAID' after you selected the
new drive.
Cheers,
- -takanori
I think you misunderstand what happened, perhaps I should have been
more specific. T
he person took a drive out of a working RAID-5 while it was
running. Then he replaced it. He pulled the drive from the wrong
XServe in a rack, intending to pull a bad drive from a different
server.
Now we are unable to clear the "Degraded" message that it has. My
assumption would be that it should have simply gone into a degraded
state and then rebuilt itself automatically.
Perhaps the drive should be pulled again and formatted, and then
inserted and added as a spare?
Hi, Mike,
Ok. I got your condition.
I had same situation couple weeks ago. I've also thought when drive
module of raid set set back, Apple RAID Card would start rebuilding
immediately . But it would not. So you have to mark spare to the
drive module which was pulled out accidentally and set back same bay
of xserve. You don't have to format it again. You can mark it spare
drive right way.
In my case, Apple RAID Card said it was a part of another raid set
when I set the drive module back after my staff pulled it out
carelessly. So Apple RAID Card never start rebuilding using with a
part of raid set. I think it is good as fool-safe mechanism.
The way of marking spare is as same as what I wrote above. If you
decide to use CLI, you may have to use another subcommand of
raidutil before making it spare. I repaired my raid set of xserve
with RAID Utility.app just select 'Make Spare...' from menu 'RAID'.
Careful and cheers,
- -takanori
Thank you Takanori, that was the thing to do. The RAID is rebuilding
now.

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Thank You!
Edited by: 960831 on 2012/9/23 下午 9:03
Edited by: 960831 on 2012/9/23 下午 9:04

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Hi @prateek88 ,
Welcome to the HP Forums!
It is a terrific place to find answers and tips!
For you to have the best experience in the HP forum I would like to direct your attention to the HP Forums Guide Learn How to Post and More
I grasp that you got a blue screen error on your notebook. You took it to a technician and he informed you it not hardware but software. He did retrieve your data off the 500 GB hard drive.
As your notebook has two hard drives a 32 GB SSD and the 500 GB SATA. You disabled the raid configuration and were able to access the SSD.
Were you able to complete the installation of Windows?
If you have Windows installed and have corrected the connection issue with the 500 GB drive would you try this.
Raid configurations are beyond my support bounds just so you are aware.
Reconfigure it back to the original raid.
Try restoring the defaults from the bios screen.
Check for a bios update for your system. and install if applicable.
If this has not helped please contact HP support for further assistance.
Please call our technical support at 800 474 6836. If you live outside the US/Canada Region, please click the link below to get a support number for your region.
World Wide Phone Support
Best of Luck!
Sparkles1
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

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SP1
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What
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RAID degraded - RedundancyScrub error message

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