[ILUG] Why RAID
Paul Mc Auley
paul at peema.org
Tue Jul 13 13:06:59 IST 2004
On Tue, Jul 13, 2004 at 12:32:18PM +0100, Timothy Murphy wrote:
| Reading about all the problems with RAID,
| I wonder why people bother with it?
| Is it worth the hassle?
It depends. If you are in a business environment, hardware RAID is
definitely worth it. Having a system able to deliver speed and/or
resilience for disks without bothering the OS too much is definitely
I'm a little less enthusiastic about soft RAID. While you can get some
of the benefits of hard RAID that way, I tend to feel it's a bit less
likely to recover from a serious disk failure, and doing stuff in the
main CPU rather than on a dedicated controller is going to generate
That said, the sort of servers that do RAID properly are generally more
suited to a data centre environment than a domestic one. Or in other
words: You pay your money and you take your choice.
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