On Fri, Apr 20, 2007 at 05:13:05PM -0400, Gene Heskett wrote:
> And moving the holding disk would only be to another disk on that same cable,
> only marginally faster. It would save the seek time, but that's about it.
FWIW, that would be a *lot* faster. The major speed problem with disks
is seek time, not bus capacity.
> That's what I was afraid of. I have the memory buffer set at 90, and since
> I've got a gig of ram, would increasing that be of any assistance? OTOH, I
> can do that and find the answer fairly quickly. It will use 720 in the next
> incarnation. 90 was only a bit over 2 megs, downright puny.
That may help. A bigger buffer allows the elevator algorithm more elbow
room to schedule things with minimal seeking.
Dustin
--
Dustin J. Mitchell
Storage Software Engineer, Zmanda, Inc.
http://www.zmanda.com/
