Swapping RAID controllers with pre-existing arrays..

jboy wrote on 12/7/2002, 12:30 AM
This is a bit aside, but I'm not having much luck answering this question on the web, and thought somebody here might know, so:

I recently swapped out motherboards in my video computer, and hoped to go from a promise 66 Fasttrak PCI RAID card, to a HPT370 onboard RAID array, without having to do anything to the drives I had plugged into the original Promise Fasttrak array. I've found that when I moved the drives to the new HPT array, all the files were garbled and unreadable. The new RAID array works fine, and I've moved files onto the array, and they are not garbled and sit side by side with the garbled ones. Anybody know what's going on, and how I can restore the files from the previous array to become readable once more ? I'm trying to avoid just dumping 50gb of footage. Any insight would be greatly appreciated..

Comments

craftech wrote on 12/7/2002, 1:24 AM
See if you can disable the Highpoint Controller in the bios and free up the Irq it reserves. Then install the Promise Controller on the new motherboard. If you get back your configuration, work with the video files and then mess with the setup when you are finished. As an alternative, put your old motherboard back in and set it up as before so you can finish it.
If the footage isn't edited, why not just dump it and recapture it.
One of the problems with Raid 0 setups is that they aren't fault tolerant. Data corruption can easily result from one of the drives not behaving exactly as the other. Here is a good Raid site (Raid.edu):

http://www.acnc.com/04_00.html

John
AlexB wrote on 12/7/2002, 8:09 AM
You should have stayed with promise Fasttrack. Just recently I switched Mainboards again, and the stripe array I started on a fasttrack66 card three Years ago still working flawlessly with the onboard raid ATA133 on my MSI845EMax2BLR. Try putting the old card back into work - needless to say it won't be able to read the newly added files of the HPT.
Jay J wrote on 12/7/2002, 2:57 PM
I use a Mylex RAID controller. Your drives are "striped" with that controller. I believe that is why they looked scrambled on the new controller. My recommendation, if possible, put the old controller back in, back-up your files, move the drives to the new control and reconfigure (low level format if possible), and then restore the backed up files.

This is how I use to manage by my drives in a RAID 0 configuration on my system.

Jay
jboy wrote on 12/7/2002, 9:36 PM
Thanks Folks, guess I'll have to put the old controller back in, and move files off of it before reformatting the array.