Messages in this thread | | | Date | Sat, 29 Jul 2000 09:28:35 -0700 (PDT) | From | Andre Hedrick <> | Subject | Re: ORBS Elevator... |
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It is one platter and a pair of heads. I will know the discrete track/sector arrangements. This is the first case where the "elevator" an be used as a strong boost.
Cheers,
On Sat, 29 Jul 2000, Andi Kleen wrote:
> On Sat, Jul 29, 2000 at 04:39:45PM +0200, Andrea Arcangeli wrote: > > It's not obvious to me that the additional information will help > > performance significantly, but I'll be glad to give it a try and to run > > some benchmark to see if it helps significantly. > > It would certainly be useful for speeding up fsck, if you could teach it > to run parallel on all spindles of the disk (e2fsck only knows how to > run parallel on multiple disks, and even that breaks with raid/lvm) > A generic interface to give user space information about on what parts > of a blockdevice they can run in parallel without too much seek overhead > would be very nice (I believe XFS is trying to do something similar to > optimize its IO performance) > > > -Andi >
Andre Hedrick The Linux ATA/IDE guy
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