Raid 5 general questions

xonto

New Member
Alright, I have never done a RAID setup before, but I have come into some extra drives and I was thinking about setting up RAID on my new gaming rig.

Say I have 3 drives, a 160, a 300, and either another 300 or a smaller drive, but it would be no smaller than 160. All 7200 rpm. All drives are totally blank.

The motherboard would be either ASUS M2N32-SLI (unless there is a better AM2 board out there) or a ASUS P5N32-E

So, let's hope for the best and say that I hook up the 3 drives and all the hardware, I turn it on, it posts, all is well. What has to happen before I can install both XP pro and Vista (and possibly Ubuntu) on a RAID 5 array? Do I put all the drives into an array and then I partition that array into logical drives that I install my OSes onto? What if I want to add a drive to the array for more space? If I drive fails, what is the procedure for replacing it so that your OSes are not broken?

I guess I ultimately would like to use a raid setup so that I have some fault-tollerance without having to waste a drive as a mirror, and get a performance increase in read/write times. I guess I just have a lot of "practical" questions that were not answered in the FAQ.
 
Like any RAID, the smallest drive will be the size limit, so in your case it would be 320GB (1/3 of the total space is used to store parity). You can lose 1 drive without losing any functionality, all you have to do is plug a new drive in and tell the RAID manager to rebuild it if it is not an automatic process.

You have to use the RAID controller to create the array before you partition/format it.
I don't think you can use RAID-5 volumes on XP. I'm pretty sure actually...
It can be done. http://www.tomshardware.com/2004/11/19/using_windowsxp_to_make_raid_5_happen/
 
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