Software RAID on SATA drives

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Author: Sanjay Darisi
Date:  
To: plug-discuss
Subject: Software RAID on SATA drives

I need your opinion on Linux software RAID. I mean its performace (in
terms of drive read/write time). I've configured Software RAID on two
SATA drives. I figured out the onboard SATA raid controller that this
server has is a fakeraid controller (Works only with the manufacturer
drivers on M$ Windoze). So, resorted to Linux software RAID. I've had
bad experience in the past with software RAID with 2.4 kernel based
Linux server. So, I'd like to know if anyone here has experiences with
software RAID on 2.6 kernel (default FC3 kernel).

And by accident, I created three RAID devices (namely md0, md1 and md2
for /boot, / and swap respectively). Do I need to create RAID for swap
parition. Now, I'm worried that it's going to affect the performance. As
I write, it's still going thru FC3 installation process. Probably, I'd
perform some harddrive read/write access tests after installation. I'd
really appreciate if you can share your opinions and experiences with
software RAID in Linux 2.6 kernel (to be specific 2.6.9-smp).

Thanks,
Sanjay.


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