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From: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
(b) Linux Soft RAID
>is better than hardware RAID if doing RAID 0 or RAID 1 (e.g. no parity)
I don't know how this can be but a recent article in Linux Journal seems to
support what you're saying.
A review of the ICP Vortex...by Eric Lee Green
"Software RAID0 was faster by about 15%, but still did not approach the
theoretical performance of the harware involved. Speculations on the cause
of this slowdown would be interesting (I suspect they happen due to various
facters within the Linux jernel), ...... Vortex's RAID5 performance, in any
event, performed similar to the software RAID5, without the excessive CPU
usage seen while running the software RAID5.
So it looks like RAID5 is 'slightly' better to go hardware and RAID0 is
worse to go hardware. I suggest getting the hardware and keep getting the
lastest stable kernel whenever released. I don't think Linux RAID is
something you can fire and forget. You'll have to keep it up-to-date for a
little while.
-Eric Wood
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