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Re: [Condor-users] tuning a file server
- Date: Wed, 3 Aug 2005 08:58:36 +0200
- From: Steffen Grunewald <steffen.grunewald@xxxxxxxxxx>
- Subject: Re: [Condor-users] tuning a file server
On Tue, Aug 02, 2005 at 09:35:49PM +0100, David McBride wrote:
> Steffen Grunewald wrote:
> >This feature has been announced for 2.7 kernels. I'm not aware of it
> >for 2.6.8 (the version my distro uses), and /sys/block/sdb/queue is
> >a directory here.
> Ooops, that should have been /sys/block/sdb/queue/scheduler.
> Works fine on my kernel (126.96.36.199), though I believe it has been a
> standard feature for some time.
Got the docs I was looking for, and indeed, it looks like 2.6.10
introduced the scheduler change on-the-fly. Unfortunately I've only
got 2.6.8 with my distro, so I'll stay with "as" for some time, setting
antic_expire to 0 - which will come close to the "deadline" behaviour.
Got some more papers to read - perhaps "noop" would be the best choice
for 3ware controllers.
Anyone using a similar setup?