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Optimal SAS Config.?

Santabean2000

Santabean2000

macrumors 68000
Original poster
Nov 20, 2007
1,889
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What is the optimal raid config. with four 300GB SAS drives? - Speed being the over-riding factor here.

Also, how to organise the op syst/apps/files - again speed being the essence.

I'm thinking: bays 1/2 holds apps in Raid 0, bays 3/4 for files Raid 0.
IS this OK?

But my concern is running out of space too quickly; would it take too long to transfer files via Time Cap in an effort to keep hard drive space on the MP?

Any thoughts appreciated.
 
If all you care about is speed, I agree, RAID0s.
But I would go:

Bay 1: OS/Apps
Bay 2-4: User Folders/Data (RAID0)

or,

Bay 1: OS/Apps/User Folders
Bay 2-4: Data/Scratch (RAID0)

With RAID0, you want LOTS of backups. One disk dying will result in total data loss.
 
How about you don't RAID the first drive and keep your operating sys and apps on it, don't RAID drive 2 just use it for scratch, RAID 0 for drives 3 and 4 for user accounts and files?
 
This is how I have my SCSI stuff setup on my Vista box so maybe you can try something similar.

drive1 - OS and applications (no games or non critical items on this drive)
drive2 - swap (which is set at a fixed size), system restore images
drive3 - work space / user data

I dont have a drive four which would be super fast...but my games and useless crap is stored on a couple SATA drives where speed is not important.
 
So no need to double up on the OS/Apps disk.

What about having:
Bay 1 - 300SAS, OS/Apps
Bay 2+3 - 300SAS Raid 0
Bay 4 - 1TB 7200rpm BackUps, (TimeMachine?), archive non-current project files

Thanks for the replies so far.
 
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