Striped RAID (2 drives) problem, scrambled data?

LFHelp · 03-21-2009, 12:48 PM

Hello

Had a striped raid system go down, and on reboot it gave error message could not find disk.

I took the drives out plugged them into a secondary test computers raid controller.

The second computer sees the drive fine... it detects both 80gb drives as a 160gb like it should, the only problem is, all the data, folders, files etc are scrambled... just mix of random ascii characters, letters and number and I can't go into any of them.

Anyone seen this issue before?

Thanks in advance

**raptor_pa** · 03-21-2009, 02:42 PM

Are the controllers exactly the same? Do they use the same stripe size? If they are different and they write headers to the disks then you may have some issues. Sounds like the stripes are of different sizes or header blocks are different sizes.

LFHelp · 03-21-2009, 02:55 PM

Quote:

Originally Posted by raptor_pa

Are the controllers exactly the same? Do they use the same stripe size? If they are different and they write headers to the disks then you may have some issues. Sounds like the stripes are of different sizes or header blocks are different sizes.

Heya

No the controllers were not the same.

I managed to pull up the FastTrak utility, it said the second drive was offline, so I deleted the array, rebuilt it and rebooted. Windows saw the drive but says it wasnt formatted.

I am currently running GetDataBack on it and it seems to finding stuff but we'll see what happens.

Hopefully Ill get my data then get a new secondary drive for the array since this one seems to be failing.

Thanks again for the input

**raptor_pa** · 03-21-2009, 03:01 PM

Verify your files you recover. Haven't used getdataback on an array before, I usually use r-studio or winhex/x-ways forensics for rebuilding raid arrays. Good luck!

03-21-2009, 12:48 PM	#1 (permalink)
LFHelp Registered User Join Date: Mar 2009 Posts: 6 OS: XP	Striped RAID (2 drives) problem, scrambled data? Hello Had a striped raid system go down, and on reboot it gave error message could not find disk. I took the drives out plugged them into a secondary test computers raid controller. The second computer sees the drive fine... it detects both 80gb drives as a 160gb like it should, the only problem is, all the data, folders, files etc are scrambled... just mix of random ascii characters, letters and number and I can't go into any of them. Anyone seen this issue before? Thanks in advance

03-21-2009, 02:42 PM	#2 (permalink)
raptor_pa Mod Hardware Team Join Date: Dec 2008 Location: Central PA Posts: 4,786 OS: XP	Re: Striped RAID (2 drives) problem, scrambled data? Are the controllers exactly the same? Do they use the same stripe size? If they are different and they write headers to the disks then you may have some issues. Sounds like the stripes are of different sizes or header blocks are different sizes. __________________

03-21-2009, 03:01 PM	#4 (permalink)
raptor_pa Mod Hardware Team Join Date: Dec 2008 Location: Central PA Posts: 4,786 OS: XP	Re: Striped RAID (2 drives) problem, scrambled data? Verify your files you recover. Haven't used getdataback on an array before, I usually use r-studio or winhex/x-ways forensics for rebuilding raid arrays. Good luck! __________________