Il 29/08/2013 16:51, Erik Rull ha scritto: > > >> On August 29, 2013 at 11:25 AM Benoît Canet <benoit.ca...@irqsave.net> wrote: >> >> >>> My commandline section is (I played with bps between 0.5 and 2.0 MB/sec and >>> iops >>> with 1000 and 500): >>> -drive file=/dev/sda2,cache=none,bps=548576,bps_max=1,iops_max=1000 >>> Within qemu it looks like that: >>> QEMU 1.6.50 monitor - type 'help' for more information >>> (qemu) info block >>> ide0-hd0: /dev/sda2 (raw) >>> I/O throttling: bps=548576 bps_rd=0 bps_wr=0 bps_max=1 bps_rd_max=0 >>> bps_wr_max=0 iops=0 iops_rd=0 iops_wr=0 iops_max=1000 iops_rd_max=0 >>> iops_wr_max=0 iops_size=0 >>> (qemu) >> >> Why did you set iops_max but not iops ? >> >> Best regards >> >> Benoît >> > > Good point, I added that, but it still keeps rebooting: > (qemu) info block > ide0-hd0: /dev/sda2 (raw) > I/O throttling: bps=548576 bps_rd=0 bps_wr=0 bps_max=1 bps_rd_max=0 > bps_wr_max=0 iops=500 iops_rd=0 iops_wr=0 iops_max=500 iops_rd_max=0 > iops_wr_max=0 iops_size=0
Too bad. But iops_max w/o iops makes sense: it means no more than 1000 iops will be in flight at the same time. Note that "s" is a plural in "*s_max", not "per seconds". :) You could try iops_max=1 and make it higher if it works. Paolo
