Re: Need help with setting up RAID for my server
So you want 2 sets of raid1 (mirrored) arrays?
Raid5 (striped disks with distributed parity) would require 3 drives but does run faster than a raid1 array.
If you went that route you would need 2 drives for os and programs in raid1 and 3 drives for data in raid5.
Another option would be to have a large rad5 array with 2 partitions. One for OS and the other for data. Only 3 drives needed for this.
Usually you will have a raid bios that you can enter after post. Getting into it will vary depending upon what controller card you have or if you use a onboard controller.
Both raid 1 and 5 have fault tolerance which means you can loose 1 drive and still be operational. Keep in mind raid is in no way a replacement for backups.
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