Tiger Server Vaporizes SCSI Drives

treason

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I'm running 10.4 (Tiger) Server on a QuickSilver 02 with an ATTO UL3D. Attached to the SCSI card are 3 Seagate drives, and a DAT drive.

QuickSilver 02 - 1.5GB RAM
Tiger Server 10.4
ATI Radeon 9800 Video AGP
LaCie FW800 card - 2 LaCie 500GB drives attached
Belkin 3USB 2.0 Ports, 2 400MHz FW Ports - assorted USB Peripherals attached, no FW drives
ATTO UL3D SCSI - 2 50GB Seagate, 1 34GB Seagate, 1 DAT3 DAT Drive

Everything had been running great since install (clean install, btw - upgrade over Panther Server was a meltdown), until yesterday (almost a week). A remote user was logged in downloading files from the SCSI drives (the external share-point) when i noticed that the drive light had been constantly on for more than 10 hours. Attempting to look at the file contents by clicking on the drive's desktop icon resulting in FINDER hanging. This was a hard hang - forcing the machine to be rebooted (reset switch). This happens on a rare occasion - not usually more than an inconvenience. This time however, upon reboot - all drives attached to the SCSI port 2 serving the external share-point did not remount. Furthermore, these drives had a rhythmic flashing of the drive lights ... a search looking pattern. SCSI Chain 1 serviced half of a RAID Stripe (comprised of the 2 50GB Seagates) and the Tape Backup, SCSI Chain 2 services the other half of the RAID Stripe, and the 34 GB Seagate.

Cables were rechecked, drivers have been updated - all seems fine. The ATTO config utility can see the drives on SCSI Chain 2, noting that there are no drivers loaded, nor found. Disk Warrior can not see any of these SCSI drives, Disk Utility cannot see any of these SCSI drives and finally Tech Tool 4.0.4 cannot see the drives either.

It appears to me that Tiger Server wrote over the drives driver partitions on SCSI Chain 2.

1) Can these drives be saved/repaired?
2) How would I get the Mac to recognize them?
3) wtf happened?
 
In case that link (macfixit.com's home page) updates in the next hours/days (it will ;), won't it...):

"Now Eric Wright reports that, in his case, removing the following kernel extensions from the /System/Library/Extensions folder resolved issues with his Adaptec card:

Adaptec290X-2930.kext
Adaptec29160x.kext
Adaptec39160.kext
Adaptec78XXSCSI.kext"
 
The card is an ATTO - i would not expect the Adaptec drivers to load. Is this incorrect?

Also - the ATTO COnfiguration tool reports that the drive is there, however no driver is loaded ... actually it says "UNKNOWN DRIVER NOT LOADED". So I guess this might explain why Disk Utility cannot see it ... however - if worse comes to worse, and these drives ARE TOAST ... how do I low level format them?

Anyone? Bueller? Anyone?
 
The output from Terminals "diskutil checkraid disk2' returns
RAID SETS
---------

Name: Waterstreet RAID
Unique ID: 64C96044-5F6B-11D9-BFC4-00039383E356
Type: Stripe
Status: Offline
Device Node: disk7
Apple RAID Version: 1
----------------------------------------------------------------------
# Device Node UUID Status
----------------------------------------------------------------------
1 disk6s3 C05E168F-69D4-4169-A81B-E10C978785B0 Offline
1 Unknown Missing/Damaged
----------------------------------------------------------------------


The strangest thing is that I cannot even low level format the 2 damaged drives. I have no way to attempt a repair (tried latest DiskWarrior, TechTool Pro, Disk Util) ... ATTO Config told me the driver loaded is

DriverName: ...iokit.IOSCSIBlockCommandsDevice
Driver Version: Unknown:version info not found

So - how do I repair, reinit the partition/drivers?
 
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