On 10/15/2010 5:03 PM, Chris McQuistion wrote:
I agree that you are almost always better off with Linux software
RAID, compared to onboard "fakeraid". Typically, Linux software RAID
outperforms those fakeraid controllers and you have easy software
access to the health of the array and you an initiate rebuilds, change
drives and such fairly easily with software RAID. The top reason for
me, however, is the portability of Linux software RAID. If you have a
motherboard completely die, you can move a Linux software RAID array
to a completely different machine, with very different hardware. You
typically cannot do that with "fakeraid". This is a very real-world
issue that I've run into several times.
Chris
Another cool thing about software raid is the ability to mirror at the
partition level. In my main server, I have a six partition 100GB drive
mirrored to a 500GB drive with the remaining 400 on the second
un-mirrored and used for junk that I don't care about losing. Of course,
if I wasn't cheap, I would have just bought 2 500GB drives and had done
with but there you go.
--
*Richard Thomas Consulting*
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Dickson, TN 37055
http://www.rtcons.com
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