On 30/01/11 20:15, T o n g wrote:
> I'm wondering if you could do the speed benchmark of
> your preferred VM, and compare the result to that of your host.
>
Inside a VirtualBox guest, running Debian Lenny, using a IDE based hard
disk file (in the VM profile):
Timing buffered disk reads: 62 MB in 3.09 seconds = 20.08 MB/sec
Inside a VirtualBox guest, running Debian Lenny, using a SATA based hard
disk file (in the VM profile):
Timing buffered disk reads: 42 MB in 3.15 seconds = 13.31 MB/sec
Inside a VirtualBox guest, running Debian Lenny, using a set of SATA
based hard disk files in a RAID6 array configuration:
Timing buffered disk reads: 18 MB in 3.10 seconds = 5.81 MB/sec
If useful, the output from /proc/mdstat in this VM contains:
md0 : active (auto-read-only) raid6 sdb[0] sdh[8](S) sdi[7](S)
sdj[6](S) sdg[5] sdf[4] sde[3] sdd[2] sdc[1]
524032 blocks level 6, 64k chunk, algorithm 2 [6/6] [UUUUUU]
Outside on the VirtualBox host hardware, running Debian Lenny, using a
IDE based 1.8" hard disk (connected by ZIF):
Timing buffered disk reads: 64 MB in 3.05 seconds = 20.96 MB/sec
All hard disk files which are used in my VirtualBox configuration are
full-sized hard disk files, not the ones which "grow" with usage.
If you need to know my hardware these tests where run on a Dell D430.
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elbbit
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