Messages in this thread | | | Date | Mon, 19 Apr 2004 12:56:18 -0400 | From | Jeff Garzik <> | Subject | Re: poor sata performance on 2.6 |
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Henrik Gustafsson wrote: > [cut] > >> I _really_ like the SX4 -- it gives the programmer full control over >> all aspects of RAID operation, while providing useful hardware >> acceleration where it's needed. And not getting in the way of the >> programmer, when it's not needed. > > > Does this mean that the hardware-accelerated RAID5-mode will be > compatible with soft-RAID5? So that I am able to create a RAID5-array > today and get all the goodies from hardware-support later without having > to do the backup - recreate-array - restore dance?
Who knows. It depends on the XOR algorithm block size and such. I _think_ XOR'ing is compatible, but have not tested to verify that assertion.
Jeff
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