> > > Talan, ha hasonlo a "rendes" xen-hez: > > dom0 --an: > > xm dmesg | grep -i i/o\ virtu > > (XEN) I/O virtualisation enabled > > ha disabled, bekapcsolod a vt-d -t az alaplapon, aztan vagy megy vagy > > nem (van olyan leiras, hogy bios allitgatas utan ki kell kapcsolni > > nehany percre a gepet teljesen:) > > meg dom-U ban > > cat /sys/block/*/queue/scheduler > > es utana > > echo "deadline" > /sys/block/xvda1/queue/scheduler > > Igy elolvasva, hogy mit irtam: > a dom0 -nak is lehet > echo "deadline" > /sys/block/jokishardwerraid/queue/scheduler > adni.
Es a PV-s lenny kernel gyorsabb, mint a squeeze. Foleg, amig ilyenek vannak:) http://xen.1045712.n5.nabble.com/PATCH-blkback-Fix-block-I-O-latency-issue-td4364102.html Es addig is erdemesebb imageket hasznalni, blkback-blkfront helyett... blkback-blkfront (squeeze domU): dd if=/dev/xvdb1 bs=1M skip=5000 count=1000 of=/dev/null 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 4.90723 s, 214 MB/s image (loop) (squeeze domU): dd if=/dev/xvda1 bs=1M skip=1000 count=1000 of=/dev/null 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 2.00951 s, 522 MB/s blkback-blkfront (lenny domU): if=/dev/xvdb1 bs=1M count=1000 of=/dev/null 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 2.37935 s, 441 MB/ Image (loop) (lenny domU): dd if=/dev/xvda1 bs=1M count=1000 of=/dev/null 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 1.47349 s, 712 MB/s (mikozben a dom0: dd if=/dev/md200 bs=1M count=1000 of=/dev/null 1000+0 records in 1000+0 records out 1048576000 bytes (1.0 GB) copied, 1.12475 s, 932 MB/s) Simon Imre _________________________________________________ linux lista - linux@mlf.linux.rulez.org http://mlf2.linux.rulez.org/mailman/listinfo/linux
