New to RAID - Can I do this?

avi8tir

Distinguished
Nov 21, 2006
118
1
18,685
I recently changed to a single 1TB SSD but I also have 2 512GB SSD's sitting around.

Can I run the 2 512's to mirror the 1TB? I believe this would be a RAID 1 setup?

thanks!
 

lp231

Splendid
No mirror also called raid 1 need both drive of the same size. Also some users don't understand raid 1 really isn't for data backup. It's for hardware failures, so that if 1 drive fails then you can continue to use the 2nd one until the failed drive is replaced and the raid is rebuild. If there is a os failure, virus infection, or accidental deletion of file, then what happens to the first will also automatically affect the 2nd drive.
e.g.
If you delete a file then the file will automatically get deleted on the 2nd drive.
This is why raid 1 is called 'mirror'.

Just do a weekly backup or use a backup software to setup a schedule backup.
 

Lumber-jack

Honorable
Jun 30, 2013
143
0
10,710
Why not run the two 512MB drives in RAID 0 striped set to give you 1TB as you will gain read/write performance as other suggested? Run the 1TB as a stand alone partition and have a back up/recovering plan too.