On Wed, Nov 22, 2006 at 07:41:46PM +0000, Dieter wrote: > > oad > > > > > > have been trimmed from your email. > > > > >=3D20 > > > > > In telnet window 1: > > > > >=3D20 > > > > > cd /disk1/ > > > > > cp -ip very_big_file /disk2/bar/ (the workload) > > > > >=3D20 > > > > > In telnet window 2: > > > > >=3D20 > > > > > time ls /disk3/foo1/ (make sure time and ls are cached in memory) > > > > > time ls /disk3/foo2/ (see timing numbers above) > > > > > time ls /disk2/ (see timing numbers above) > > > > >=3D20 > > > > > The /disk2/ directory is small, only contains 3 directories and .snap > > > > >=3D20 > > > > > Would the cp into /disk2/bar/ lock the /disk2/ directory? > > > >=20 > > > > It shouldn't do. > > > >=20 > > > > What scheduler are you using? > > >=20 > > > kern.sched.name: 4BSD > > > kern.sched.quantum: 100000 > > > kern.sched.preemption: 1 > > > > OK, that's correct. Can you also provide details of your disk > > hardware (e.g. dmesg) and kernel configuration? > > FreeBSD 6.0 > > Kernel is stock except for addition of: > > device atapicam # needed to burn dvd > > /boot/loader.conf: > > console="comconsole" > hw.ata.wc=0 ^^^^^^^^^^^ "Make my hard drive go reeeeally slow please (just in case I crash)" :)
Kris
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