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RAID Question

L

logear1

Member
If this is the wrong forum let me know. Anyway, the question on RAID is -can you run 4 hard drives @ RAID-0 ? or is the limit 2? I've looked through searchengines,found alot of good info but no answer to this question.Thanks in advance.
 
RAID0 = non fault tolerant stripe.

If it were SCSI, you could run as many drives as you have SCSI ID's.
If you're talking IDE, as long as you have a dual channel RAID controller, you can run up to 4. (1 master, 1 slave per channel - like any IDE.)

If you wanted to be really tricky, you could run RAID 0+1, with 2 drives in RAID0 on the first channel, then another 2 drives mirroring them on the second channel.

If you have any other questions about IDE RAID, apart from the principles I dont know too much about it. If it's SCSI, ask away.

😉
 
Also, there are 4-channel IDE RAID controllers as well. Setting up a master and slave for RAID 0 would kinda kill the performance gain. 4 channel controllers let you go all-master.

But honestly, even though I'm an IDE RAID fan, if you really want that kind of speed, you should probably consider SCSI. Running 4 drives in RAID 0 means quadrupling your array failure rate, which is pretty steep. I'm going to speculate, from the benches I've seen, that a 4 drive IDE RAID 0 would be about comparable to a single X15 in speed. And that X15 will give you a lot less trouble.
 
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