XServe RAID volume does not mount

Without any modification to the system, a panic log from our XServe indicates:
"Thu Jan 18 17:28:58 2007
panic(cpu 0): HFS: corrupt VH on PBSRaid1, sig 0x4100, ver 0, blksize 0"
The volume PBSRaid1 does not mount anyway from that date.
Diskutil reports:
"Verifying volume “disk2s3”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Invalid extent entry
The volume PBSRaid1 needs to be repaired.
Volume check failed."
DiskUtil is unable to repair the volume.
My configuration is:
XServe bi-G3 1GHz, MacOSX Server 10.3.9
XServe RAID with 5 disks RAID5 on the left side (OK) and 4 disks RAID5 on the right side (the bad volume)
All the controls are "green" and nothing wrong appeared in the events log obtained via RAID ADmin.
Any suggestion to repair are welcome, as we have many data from confocal microscopy on that volume.
Thanks
Jean-Pierre
XServe bi G3-1GHz (oct 2003)+ XServe RAID Mac OS X (10.3.9)

Right, Dave.
DW 4 rebuilt a preview folder which contains all the files in correctly named folders.Only 3 files among thousands has been saved in a Rescue folder !
It also restored the right volume label, lost in DiskUtil, fsck, pdisk and others.
Very nice tool.
While DW was building its preview, the disk 9 lighted red and a lot of failures of the controler 2 appear in the events log of the XServe RAID.
At this time, the RAID is rebuilding with our spare disk.
I think we have to change both the disk 9 and the controler 2 despite it lights green currently.
Jean-Pierre
XServe RAID (2003- 5xIBM 180Go RAID 5) +(2005 -4xHitachi 250Go RAID5) Mac OS X (10.3.9)

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Our XServe-RAID volume does not mount anymore...

Our XServe-RAID volume does not mount anymore.
On /var/log/system.log I could find the following.
Feb 22 09:52:29 ogre kernel: jnl: open: journal magic is bad (0xf433f != 0x4a4e4c78)
Feb 22 09:52:29 ogre kernel: hfs: early jnl init: failed to open/create the journal (retval 0).
It appears the the journaling is badly screwed.
I tryed to disable the journaling with no success.
Here is what I get.
ogre:/var/log root# diskutil disablejournal disk2s3
The selected journaling request does not appear to be valid
After some googling I foud this :
--- QUOTE ---
The more serious problem occurs when the contents of the journal file are corrupted in such a way that the operating system does not proceed to mount the volume. Fortunately, this problem is extremely rare (I have seen three reports of corrupted journal files at the MacFixIt Forums and Apple Discussion Forums since journaling was introduced).
Starting the journaling process is one of the first things that happens when a volume is recognized by the operating system. There appears to be no way to intervene in single-user mode before the journal file is examined. A message about �bad journal magic� appears. Unfortunately, every tool that can turn off journaling requires that the volume already be mounted.
If the Macintosh can boot under Mac OS 9, dealing with a corrupted journal file involves restarting under Mac OS 9 and using a utility (such as our free TechTool Lite 3.0.4) to make visible these two invisible files at the root level of the volume:
/.journal
/.journalinfoblock
Once these files are made visible, they can be deleted. Mac OS 9 does not support journaling, and recognizes nothing special about these files. Neither of these files can be seen in Terminal or in single-user mode in Mac OS X, because they are considered part of the disk directory.
If the Macintosh cannot boot under Mac OS 9, but the drive has Mac OS 9 drivers installed, the drive can be put into a Macintosh that can boot under Mac OS 9, or an ATA/IDE drive can be put into a suitable FireWire enclosure.
The possibility that you may need to remove these two journaling files under Mac OS 9 is a good reason for making sure that all volumes you use have Mac OS 9 drivers installed. The drivers must be installed when the drive is formatted.
--- [END] QUOTE ---
Well, my disk is part of a RAID 5 matrix.... so the solution proposed does not work.
Does any one of you has any idea ?
XServe Mac OS X (10.3.9)

I've seen an article about volumes not mounting and was wondering if this relates to your problem;
http://discussions.apple.com/thread.jspa?messageID=1239224&#1239224
The thread doesn't refer to journalling but may be of use?
HTH

Volume will NOT mount

We have much the same issue as others here in other threads have spoken about - after a reboot a raid volume will not mount.
Disk Utility can 'see' the drive and array, but will not mount it. RAID Admin reports no problems. I tried updating the firmware to no avail.
Then I tried a new FC card in the server, a different controller card in the xRAID, different cables and connecting the FC cable to a different XServe. No mount with any of these attempts.
XServe 2 ea 2.3Ghz G5, 2GB RAM, 1 80GB drive (cluster node config)
OSX Server 10.3.9
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RAID Admin 1.5 (controller firmware - now: 1.5/1.50f)
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Mark,
We recently had a similar problem. We have an XServe RAID fully populated -- split into 2 volumes. One volume would mount the other would not (after a reboot). Tried swapping fibre channel cables, re-seating fibre channel cards, etc. Our solution was replacing the PCI-Fibre card in the XServe.
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Then try ejecting, disconnecting and powering the drive off for a few minutes, then reattaching it. Then try again with Disk Utility. If still no help, the drive is likely dead.
There's a very small chance that +Disk Warrior+ (version 4.1.1 or 4.2 only), or another heavy-duty disk repair app can fix it, if you already have one. But I wouldn't suggest spending the $$ for one unless you think you'll need it in the future -- DW is about $100.
Most likely, your disk is dead. There's a small chance that a +Data Recovery+ app such as +Data Rescue+ can recover some of the data. Check via Google, VersionTracker.com, or MacUpdate.com for +Data Recovery.+ There are services and apps, none cheap. Some of the apps have a free demo or test mode that will tell you if there's anything that can be recovered, and perhaps actually recover a single file; then you pay for it and recover whatever else can be recovered. You'll need another external disk to receive the recovered items.
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XServe RAID volume does not mount

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