my RAID drive just died.... - Tilted Forum Project Discussion Community

dimbulb · 06-30-2003, 12:48 PM

I was running a RAID 0 array off 2 40GB Maxtor D740-6L drives. One of them has gone bad. It still powers on, but my RAID card keeps saying its broken.

How do I recover data off a broken RAID?

thanks

zer010gic · 06-30-2003, 12:52 PM

Usually on a striping raid array you cant recover sorry dude. Some data is on one drive and some is on the other. Try to see if you can rebuild the array or look at some of the utilities included with your card or board.

losfp · 06-30-2003, 01:52 PM

RAID 0? Afraid your data is probably gone, unless you had a redundant array - ie: at least 3 drives holding the contents of 2. I'm none too familir with RAID though, so someone else might be able to offer suggestions...

John2915 · 06-30-2003, 06:18 PM

RAID 0 is additive, not redundant. If you're not a hard disk technical expert recovery on your own is unlikely.

If the data is valuable you should consider sending the drives to ontrack data recovery or another data recovery shop. Ontrack is good at what they do.

http://www.ontrack.com

dolemite175 · 06-30-2003, 07:16 PM

Unless it was Raid 1, you're SOL

LNCPapa · 06-30-2003, 09:57 PM

And if you were running Raid 0 with any kind of redundancy (0+1 or 10) then that would be a minimum of 4 drives. Raid 0 puts performance above everything else risking the loss of all the data should one drive fail in the array. Unless that drive isn't completely dead you're gonna be out of luck - sorry.

LNCPapa · 06-30-2003, 10:01 PM

With 3 drives or more you can run RAID 5 - pretty unlikely that your board or default built-in controller would support it though - that would give you the advantage of increased speed with data redundancy - though you don't get all the space from your drives since part of the data from each drive is spread across other drives and they overlap.

activitie · 07-01-2003, 12:10 AM

With RAID 0 the only way to recover is via an actual offline Backup whether it's tape, CD's DVD's or network storage. Anything on the drives is toast.

mtsgsd · 07-01-2003, 04:29 AM

I know of a couple of cases involving RAID 0 and Highpoint controllers where Highpoint customer support was able to provide a utility to repair the broken set. When mine broke, nothing worked and I was sol, but it's something you could try with the manufacturer of your controller...

poof · 07-03-2003, 10:38 AM

<i>Dimbulb</i> Answers 1-4 wrapped it up succinctly. You have lost your data. 0+1 might have helped, but, the overhead is expensive.

This gives credence to the adage; "back up, and, back up often".

Sorry, probably not what you wanted to hear.

You can try connecting the known good drive to another machine as a slave, and trying to transfer the stored data from there to a dvd or fixed drive.

Other than that, please see above.

macmanmike6100 · 07-05-2003, 02:41 AM

Yeah, sorry man. Let this be a warning to those also misled by RAID...the 'R' doesn't always stand for 'redundant'.

06-30-2003, 12:48 PM	#1 (permalink)
dimbulb Riiiiight........	my RAID drive just died.... I was running a RAID 0 array off 2 40GB Maxtor D740-6L drives. One of them has gone bad. It still powers on, but my RAID card keeps saying its broken. How do I recover data off a broken RAID? thanks

06-30-2003, 12:52 PM	#2 (permalink)
zer010gic Over caffeinated Location: One Step Closer to the Edge	Usually on a striping raid array you cant recover sorry dude. Some data is on one drive and some is on the other. Try to see if you can rebuild the array or look at some of the utilities included with your card or board. __________________ Zer010giC

06-30-2003, 01:52 PM	#3 (permalink)
losfp Tilted Location: Sydney, Australia	RAID 0? Afraid your data is probably gone, unless you had a redundant array - ie: at least 3 drives holding the contents of 2. I'm none too familir with RAID though, so someone else might be able to offer suggestions... __________________ Grrr... Argh....

06-30-2003, 06:18 PM	#4 (permalink)
John2915 Upright	RAID 0 RAID 0 is additive, not redundant. If you're not a hard disk technical expert recovery on your own is unlikely. If the data is valuable you should consider sending the drives to ontrack data recovery or another data recovery shop. Ontrack is good at what they do. http://www.ontrack.com

06-30-2003, 09:57 PM	#6 (permalink)
LNCPapa Crazy Location: Notre Dame	And if you were running Raid 0 with any kind of redundancy (0+1 or 10) then that would be a minimum of 4 drives. Raid 0 puts performance above everything else risking the loss of all the data should one drive fail in the array. Unless that drive isn't completely dead you're gonna be out of luck - sorry. __________________ No mercy for the bandwidth impaired

06-30-2003, 07:16 PM	#5 (permalink)
dolemite175 Tilted	Unless it was Raid 1, you're SOL

06-30-2003, 10:01 PM	#7 (permalink)
LNCPapa Crazy Location: Notre Dame	With 3 drives or more you can run RAID 5 - pretty unlikely that your board or default built-in controller would support it though - that would give you the advantage of increased speed with data redundancy - though you don't get all the space from your drives since part of the data from each drive is spread across other drives and they overlap. __________________ No mercy for the bandwidth impaired

07-01-2003, 12:10 AM	#8 (permalink)
activitie Upright	With RAID 0 the only way to recover is via an actual offline Backup whether it's tape, CD's DVD's or network storage. Anything on the drives is toast.

07-01-2003, 04:29 AM	#9 (permalink)
mtsgsd Addict Location: Wisconsin, USA	I know of a couple of cases involving RAID 0 and Highpoint controllers where Highpoint customer support was able to provide a utility to repair the broken set. When mine broke, nothing worked and I was sol, but it's something you could try with the manufacturer of your controller...

07-03-2003, 10:38 AM	#10 (permalink)
poof Psycho	<i>Dimbulb</i> Answers 1-4 wrapped it up succinctly. You have lost your data. 0+1 might have helped, but, the overhead is expensive. This gives credence to the adage; "back up, and, back up often". Sorry, probably not what you wanted to hear. You can try connecting the known good drive to another machine as a slave, and trying to transfer the stored data from there to a dvd or fixed drive. Other than that, please see above.

07-05-2003, 02:41 AM	#11 (permalink)
macmanmike6100 High Honorary Junkie Location: Tri-state.	Yeah, sorry man. Let this be a warning to those also misled by RAID...the 'R' doesn't always stand for 'redundant'.