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Testing harddrive integrity

post #1 of 7
Thread Starter 
I recently bought a WD 3TB RED and plan on buying 2 more for a RAID5 config.

This may sound strange, but is there anyway I can stress test each drive before I put them into RAID?
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post #2 of 7
You could just do a SMART check. That should be enough. Most BIOS have it built in.

If not just run chkdisk
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post #3 of 7
Quote:
Originally Posted by watterrbottle View Post

I recently bought a WD 3TB RED and plan on buying 2 more for a RAID5 config.

This may sound strange, but is there anyway I can stress test each drive before I put them into RAID?

Do a full disk write.
Then check SMART with a tool like CrystalDiskInfo.

Quote:
Originally Posted by CptDanko View Post

You could just do a SMART check. That should be enough. Most BIOS have it built in.

If not just run chkdisk
BIOS does not provide the SMART values or guidance.
Edited by DuckieHo - 10/17/13 at 7:36am
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post #4 of 7
I second Ducky. I would however avoid using raid 5 for disks that large. Consumer drives have an unrecoverable read error rate typically around one bit in 10^14 bits. Years ago this was not a concern as drives were much smaller. In a time with 3 and 4tb hard drives it does become concerning. If one of your drives fails and you replace the drive and the array begins to rebuild, it is fairly likely you will experience an unrecoverable read error, causing the rebuild to fail and likely resulting in data loss. A raid 10 is a much better option for data redundancy, or even a raid 6 would be acceptable. There is a calculator to find the chance of a successful raid 5 rebuild here: http://www.raid-failure.com/raid5-failure.aspx
post #5 of 7
Quote:
Originally Posted by DuckieHo View Post

Do a full disk write.
Then check SMART with a tool like CrystalDiskInfo.
BIOS does not provide the SMART values or guidance.

Some do, especially older non UEFI bios. You can run a smart check.
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post #6 of 7
Quote:
Originally Posted by CptDanko View Post

Some do, especially older non UEFI bios. You can run a smart check.

They don't provide the SMART values or guidance though... they just say PASS or NOT.
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post #7 of 7
Thread Starter 
Nice, thanks for the feedback
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