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RAID Disk Disposal

post #1 of 7
Thread Starter 
Hello,

My computer skills have been a little out of date as I have had other more pressing hobbies. One of my Samsung HDDs in my RAID0 died so I decided to upgrade to a bigger 2 2TB Seagate Barracuda RAID0. The Samsung drives were still working but I was encountering disk errors and some data started to get corrupted so I upgraded. I also bought a new 4TB external for backup. I restored all my data and all is well with the new setup, and it is remarkably faster than the old one which surprised me.

My question is with the old Samsung RAID0 disks I can just dump them in the trash right? My understanding once the RAID controller is no longer present its very difficult to recover any data. Anything I really truly wouldn't want to get out is already encrypted in Truecrypt containers (i.e. naked pics of the girlfriend), but after I took them out I remembered I had some financial statements and things of that nature that I wouldn't want someone to easily recover. So the data is pretty much gone right? I can just chuck them without doing a secure wipe?

Thanks all and nice to be back for a bit!
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post #2 of 7
If the drives are together, it's really not difficult to recover the data...even basic software can reconstitute a RAID 0 setup. Even with just one of the drives data is striped across drives in RAID 0 and there will be quite a bit of stuff that's intact...anything that's smaller than the stripe size that was written to that disk won't even be damaged.

Anyway, just hit each drive with hammer a few times or throw them at your driveway/sidewalk. Recovering data from shattered platters is borderline impossible and almost never worth the effort to try.
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post #3 of 7
Thread Starter 
Open them up and hit the platter or just hit the whole drive is sufficient? Those outside cases can be pretty durable.
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post #4 of 7
No need to open them. A few swift hits to the top of the drive (hard enough to leave an impression) will shatter the platters enough. The outside of the drives are pretty tough, but drive platters are made of glass, and they don't react well to being hit with hammers or thrown at hard surfaces.
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post #5 of 7
Thread Starter 
Cool sounds like fun! Thanks!
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post #6 of 7
Have to correct myself here.

Most 3.5" drives, and almost certainly the ones you have here, are still using aluminum platters. Glass has been omnipresent in 2.5" drives for years, but has only recently been used in 3.5" drives. Most of my drives have been 2.5" for a while now, and I'm used to crushing those.

Smashing the drives with a hammer is still going to make them entirely unappealing for most people who would try to steal your data, as the recovery costs would be quite high, but some of the data would still be intact.

Apologies for any confusion.
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post #7 of 7
Quote:
Originally Posted by LastBucsfan View Post

Hello,

My computer skills have been a little out of date as I have had other more pressing hobbies. One of my Samsung HDDs in my RAID0 died so I decided to upgrade to a bigger 2 2TB Seagate Barracuda RAID0. The Samsung drives were still working but I was encountering disk errors and some data started to get corrupted so I upgraded. I also bought a new 4TB external for backup. I restored all my data and all is well with the new setup, and it is remarkably faster than the old one which surprised me.

My question is with the old Samsung RAID0 disks I can just dump them in the trash right? My understanding once the RAID controller is no longer present its very difficult to recover any data. Anything I really truly wouldn't want to get out is already encrypted in Truecrypt containers (i.e. naked pics of the girlfriend), but after I took them out I remembered I had some financial statements and things of that nature that I wouldn't want someone to easily recover. So the data is pretty much gone right? I can just chuck them without doing a secure wipe?

Thanks all and nice to be back for a bit!

I can recover the data pretty easily. Take me maybe... a day. There are several free programs available to get RAID parameters. Then you can easily get ahold of something you can rebuild the RAID in.


Take a drill and make the drives look like swiss cheese. Easiest way to destroy the drives. Alternatively, open the drives, take the screws out and remove the platters. Throw them away separate with the drives. You are NOT recovering from that.

For good measure, scuff the platters on the ground.
 
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