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Raid 0 Failure

post #1 of 6
Thread Starter 
Looks like 1 of my seagate drives have failed on a temp storage array I was using while I pulled my server completely apart to changes things around.

I want to remove the 2 drives from the array so I can test them but if i go to delete the array in the raid it states you will loose all the data but I thinking thats just because they are back to seperate drives or does it physically remove the data of the drives?

Thanks
post #2 of 6
It doesn't delete the data but it would destroy the information needed to read the array. It would be kind of like losing the catelog to the library of congress. All the information would still be there but you (ie the computer) would have no way to find it. Assuming you're tests don't actually write new data to the drive you should just be able to remove them then plug them back in later.
    
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post #3 of 6
Thread Starter 
What suggestions would there be in my situation?

What if I removed the dives and ran them in a seperate machine for the testing?
post #4 of 6
I would use the ultimate boot CD:
http://www.ultimatebootcd.com/download.html

It has a lot of diagnostics that you can run on your hard drive to check for errors. Depending on your raid controller it may or may not detect your drives as a single raid. For onboard raid you should be able to set your Sata mode (in your bios) back to IDE and then run the tests. This will have the effect of just disabling the raid controller, but everything should come back when you re-enable it. If you're running on a dedicated raid card then I would move the drives over to the onboard sata ports (in IDE mode) and then run the boot CD. When finished you should be able to plug them back into the raid card with no problems.

EDIT: you could also move them to another machine for testing if that's more convenient.
Edited by Klue22 - 1/1/11 at 3:23pm
    
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post #5 of 6
Thread Starter 
I'll give the UBcd a go, thanks.

I was thinking about changing back to IDE but that'll also throw my boot drive offline so I'll move the drives to a seperate rig for testing and see how that goes.

I know this is probably a long shot nut what do you know of the freezer method for harddrives?
post #6 of 6
The freezer method is only a temporary fix for bad hard drives. If you absolutely need to recover the data then leaving the drives in the freezer for a few hours before trying to pull the data off of them can help keep them operational long enough to do what you need to do. Make sure you do that in a dry environment though. The last thing you want is condensation on your drives when you take them out of the freezer.
    
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