Displaying 1 result from an estimated 1 matches for "seekmark".
2011 Oct 08
2
disk i/o benchmarking inside vm
...ical disk and both disks are the same model. The host
system is fedora 15 with the virt-preview repo enabled. The disks for the
guests use virtio and caching is set to none.
My problem is that I get very different results when I benchmark I/O in
these guests even though I shouldn't. Doing a seekmark I get:
guest 1: 120 seeks/s
guest 2: 220 seeks/s
"hdparm -t" shows:
guest 1: 100 MB/s
guest 1: 160 MB/s
What's worse is that when I restart the guests the results change and
suddenly guest 1 is a lot faster and guest 2 is a lot slower however as
long as the guests are running repe...