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    SubjectRe: HPT370 RAID-1 or Software RAID-1, what's "best"?

    On Fri, 15 Mar 2002, Alan Cox wrote:

    > > Hardware RAID is indeed better, but what you get using HPT370 IDE
    > > controlelr is not hardware raid at all. Just read the code of the driver.
    > > You get a software raid, period.
    > Its not always that simple either.
    > Software raid on aic7xxx totally blows away the Dell/AMI megaraid card I
    > have, to the point the megaraid now resides in my testing bucket. The promise
    > Supertrak 100 (now superceded by the SX6000) is also slower than the
    > software IDE raid, but does use less CPU in RAID5 mode.
    yes, I know, but I was talking "generaliter"
    > Some hardware raid cards do seem to be winners. The Dell Perc2/QC aacraid
    > based boards (233Mhz ARM etc) really shift. When I've had the chance to
    > borrow the disks to test I've seen it running over 100Mbytes/second. It
    > also supports nice stuff like online reconfiguration of active volumes.
    > [$$stupid from Dell $$notalot from ebay ;)]
    On my CISS Compaq array I get quite similar performances ;)


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