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Whats the best hard drive set up for me?

post #1 of 3
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I am currently buying every 1TB+ drive I can get ahold of to make a storage array.

What would be best raid set up for me?

Im not worried about my data, just need pure space and speed.

Also, can I raid multiple different drives?
post #2 of 3
Quote:
Originally Posted by Cerberus View Post

I am currently buying every 1TB+ drive I can get ahold of to make a storage array.

What would be best raid set up for me?

Im not worried about my data, just need pure space and speed.

Also, can I raid multiple different drives?

If you want space and speed, then RAID-0. As for using different drives, you can but keep in mind you're going to be limited by the lowest common denominator.

e.g.
3x 1TB 7200RPM (160 MB/s)
3x 2TB 5400RPM (80 MB/s)

RAID-0 of all six drives will only give you 6 TB (6x1TB) of storage space. Performance is limited by the slowest drive so even with perfect scaling you're looking at 480 MB/s (6x80MB/s) max sequential. Meanwhile, if you don't mix and match and create a separate RAID-0 array for each set of drives, you get the following:

3x 1TB 7200 RPM
RAID-0: 3 TB (480 MB/s)

3x 2TB 5400 RPM
RAID-0: 6 TB (240 MB/s)
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Garnet
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post #3 of 3
As the poster above says RAID0. If you're not looking for redundancy, RAID0 is the best option. How many drives do you have? And do you already have a back up plan set? One drive fails and you've lost your data. If you have 3 or more drives (and it sounds like you do/will) you could sacrifice some performance for a parity drive or two... RAID 5, 6, 1+0, or 5+0. If you do parity it may be best to keep one drive around or be prepared to buy one in the future for when one drive fails (you'll be able to recover your data when you install the replacement).
But, if you don't need to backup the data or have a plan, RAID 0.
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