Are you using virtio-scsi in oVirt? On Jul 28, 2015 1:50 PM, "Alan Murrell" <[email protected]> wrote:
> For my latest test, I installed CentOS7 on my server and then installed > the libvirt/KVM virtualization group. I created a Win7 guest VM giving it > 2GB RAM, 1 vCPU, and 60GB HDD. I did not specify anything for the HDD type; > just whatever the default is for libvirt. > > The install of Win7 went *way* faster than any bare metal install I have > ever done of Win7, and also faster than the ESXi install I had done earlier. > > Once installed, I downloaded the same "Parkdale" HDD testing application I > have been using, and used the same settings. The write test results were > about 100 MByte/s. I ran the test several times, including rebooting > between tests, and the results came back consistent. > > As a baseline, I ran the following modified 'dd' write test on the server > itself: > > dd bs=1M count=4000 if=/dev/zero of=test conv=sync > > with the following results: > > 4000+0 records in > 4000+0 records out > 4194304000 bytes (4.2 GB) copied, 39.349 s, 107 MB/s > > So now the question becomes, why would I be getting such a huge difference > in oVirt? > > Thanks. > > -Alan > _______________________________________________ > Users mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/users >
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