Re: 15K rpm disk performance

2001-06-23 Thread Rogier Wolff
Douglas Gilbert wrote: > Rogier Wolff wrote: > > > > Douglas Gilbert wrote: > > > $ time sg_dd if=/dev/sg0 of=/dev/null bs=512 skip=0 count=200k > > > real0m2.542s > > > > I always use "bs=1024k count=100". This eliminates more of the > > system-call overhead (I hope...) > > Roger, > That w

Re: 15K rpm disk performance

2001-06-23 Thread Douglas Gilbert
Rogier Wolff wrote: > > Douglas Gilbert wrote: > > $ time sg_dd if=/dev/sg0 of=/dev/null bs=512 skip=0 count=200k > > real0m2.542s > > I always use "bs=1024k count=100". This eliminates more of the > system-call overhead (I hope...) Roger, That was sg_dd I was using (my own routine from sg_

Re: 15K rpm disk performance

2001-06-23 Thread Rogier Wolff
Douglas Gilbert wrote: > $ time sg_dd if=/dev/sg0 of=/dev/null bs=512 skip=0 count=200k > real0m2.542s I always use "bs=1024k count=100". This eliminates more of the system-call overhead (I hope...) Roger. -- ** [EMAIL PROTECTED] ** http://www.BitWizard.nl/ ** +31-

Re: 15K rpm disk performance

2001-06-23 Thread Douglas Gilbert
MONZ wrote: > > Anyone got experiences with ? > Docs tells about more uniform performance form outer to inner tracks > compared to 10K disks, but then again a swap partition on outer tracks > may perform better on 10K disks, since 15K disks are actually slower on > outer tracks, according to doc'

Re: 15K rpm disk performance

2001-06-22 Thread Rogier Wolff
MONZ wrote: > Anyone got experiences with ? > Docs tells about more uniform performance form outer to inner tracks > compared to 10K disks, but then again a swap partition on outer tracks > may perform better on 10K disks, since 15K disks are actually slower on > outer tracks, according to doc's.

15K rpm disk performance

2001-06-22 Thread MONZ
Anyone got experiences with ? Docs tells about more uniform performance form outer to inner tracks compared to 10K disks, but then again a swap partition on outer tracks may perform better on 10K disks, since 15K disks are actually slower on outer tracks, according to doc's. Also, as I understand