Some RAIDs are meant for that burst of speed, and it can be very large. Others are for backup.
Right now I run an OS X Server, a Blue and White Rev. 2 with a Sonnet ATA/133 card. I have a 20GB boot drive on the card and dual 160GB drives on the other channel of the card. The dual 160GBs are mirrored in a RAID for backup. If one physically died I could rebuild all the data with a click in Disk Utility.
I have been running this setup for a couple months now, no issue. I would prefer a RAID 5 as it is more efficient space wise [you lose half your space to backup with basic mirroring like I am doing] but you still get the backup. However OS X only supports basic striping and mirroring in the OS, RAIDs 0,1.
David
In my opinion, unless you are running a big profession/commercial server complex , that is, running with the Big Boys, I would stay away from RAID
With RAID any anomaly/hickcup in the setup, either internal or external, wipes out all the data on both drives! This means that you need to have multiple backup systems up and running to protect your business files
With the low level type business stuff you are doing in the G3 B&W world, you will never notice the so called speed improvement ( thruput) that RAID is supposed to provide. At least, in my case, I never noticed any significant amount.
After a while, after numerous, unexplained crashes , I got tired of reformatting the RAID setup and reinstalling OS software/ files from a separate backup drive connected to the MOBO. ( good old Carbon Copy Cloner)
I returned to a dual-single ended configuration; using one drive as my working drive and the other as a mirrored backup drive and the MOBO drive as a backup-backup drive
My opinion only.
albert
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