Errors on one of my drives in RAID 0

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JonnyV

Honorable
Jan 7, 2014
9
0
10,510
Hey guys,

I have 2x 1.5TB WD green drives in RAID 0 (oops) and I recently got an error when trying to read some files. The system would hang and I would have to restart. I ran the Data Lifeguard tools on both drives and one of them resulted in:

Test Option: EXTENDED TEST
Model Number: WDC WD15EARS-00Z5B1
Unit Serial Number: WD-WMAVU2734810
Firmware Number: 80.00A80
Capacity: 1500.30 GB
SMART Status: PASS
Test Result: FAIL
Test Error Code: 08-Too many bad sectors detected.
Test Time: 10:38:14, January 07, 2014

It is 9 months out of warranty. Is it dead? Should I get rid of it?
 
Solution
popatim
What I mean is boot up witht he array as normal to try and get your unbacked up files off of it. These are the only ones you care about now and hopefully they will be in an undamaged part of the drive.

Another choice, if you have available backup storage, is to image each drive to run file recovery against. There is software that can re-raid your images and create a virtual drive to perform data recovery on.

I'd think I would go for the faster 'backup the last month worth of pics' option first myself.
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laviniuc

laviniuc

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Nov 29, 2013
5,505
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caviar greens don't behave well in raid arrays. you're lucky it was raid1 so you didn't lose any data. replace it and rebuild the array and eventually replace them both with red or blue drives...

the hdd will probably still function a while as a stand alone drive if you want to use it for non essential stuff that you can always recover
 
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J

JonnyV

Honorable
Jan 7, 2014
9
0
10,510


Hi Laviniu, thanks for the response. Actually I made a mistake! It is RAID 0. Both drives give me 3TB of storage. I updated the original post.

The reason I chose this was because I have another backup of it, which makes the dead drive no big deal. However, there is about 1 month of pictures that weren't backed up so I'm trying to figure out if I can recover that (through software?).
 
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laviniuc

laviniuc

Judicious
Nov 29, 2013
5,505
18
32,415
for every 128kb of data, 64 is on one drive and the other 64 on the other. so the good drive has half of the puzzle pieces which are your original data. that's why raid 0 is such a big gamble... maybe if it lefts you reinsert the bad drive in the array regardless of the error you lose just some of the data and maybe it lets you recover some of it...
 
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J

JonnyV

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Jan 7, 2014
9
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10,510




What do you guys mean exactly? Take it out of the array?
 
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J

JonnyV

Honorable
Jan 7, 2014
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10,510

I am ineligible for an RMA, so I will try those tools you linked me to. Thanks.
 
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popatim

popatim

Titan
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Dec 2, 2009
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What I mean is boot up witht he array as normal to try and get your unbacked up files off of it. These are the only ones you care about now and hopefully they will be in an undamaged part of the drive.

Another choice, if you have available backup storage, is to image each drive to run file recovery against. There is software that can re-raid your images and create a virtual drive to perform data recovery on.

I'd think I would go for the faster 'backup the last month worth of pics' option first myself.
 
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Solution
J

JonnyV

Honorable
Jan 7, 2014
9
0
10,510


Got it, thanks for the reply. On one of the folders it freezes halfway upon trying to transfer to another drive. Those pictures might be gone. It was only a couple of weeks so its no big deal. I am trying the Recuva software right now on it.
 
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T

TyrOd

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Aug 16, 2013
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11,160
Don't run software recovery don't try to transfer data on the file level. ALWAYS make an image first at least of the "good" drive. Then consider trying to make an image of the unstable drive and reconstructing the RAID ONLY WITH clones. NEVER use the original drives to do this. Of course, if your data isn't worth getting a couple of drives to clone it over to, then go ahead and gamble with recovery software understanding that NO SOFTWARE by itself is made to minimize damage with unstable drives, and WILL cause more stress and cause unrecoverable mechanical damage I many cases.
 
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