[DRBD-user] The need for speed
greg.freemyer at gmail.com
Fri Nov 19 15:24:36 CET 2004
On Fri, 19 Nov 2004 12:33:36 +0100, Philipp Reisner
<philipp.reisner at linbit.com> wrote:
> Assumption: Maybe because the mirrored partition is behind the
> root partition, and harddisk are slower on the outer
> cylinders than on the inner cylinders.
I do a lot of dd if=/dev/hda of=/dev/hdc type of disk duplicating.
Using iostat -d to monitor the disk speed, I definately see a drop off
in speed during the process. I have assumed like you that disks are
slower on the outer cylinders.
More information about the drbd-user