[SATLUG] Software RAID over USB 2.0

[David Kowis]

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Sean Carolan wrote:
> I have an nslu2 running debian etch (ARM processor).  It has two USB
> 2.0 ports.  If I were to hang four USB hard drives off a hub and set
> up a RAID5 array, would there be  major performance degradation?

RAID5 is very processor intensive. it's got to calculate Parity data for
every write. If your CPU on that nslu2 can do it. Go for it, but I'm not
sure an embedded cpu can do that very well... It may still be faster
than the network interface IO, at which point you're okay, I think....

- --
David Kowis
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