Opteron 8 core cpu
adaptec 6805e 256MB
8xseagate 7200 RPM disks RAID 10
No BBU but write/read caches active
256K stripe size.
64GB ram

pveperf
CPU BOGOMIPS: 32002.08
REGEX/SECOND: 856289
HD SIZE: 19.69 GB (/dev/mapper/pve-root)
BUFFERED READS: 552.91 MB/sec
AVERAGE SEEK TIME: 6.43 ms
FSYNCS/SECOND: 2412.62

server is completely idle at the moment

some other tests:

dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync; unlink test
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 3.79119 s, 283 MB/s

dd if=/dev/zero of=test bs=1024k count=16k conv=fdatasync; unlink test
16384+0 records in
16384+0 records out
17179869184 bytes (17 GB) copied, 42.5562 s, 404 MB/s

ioping -c10 .
4096 bytes from . (ext3 /dev/mapper/pve-root): request=1 time=0.1 ms
4096 bytes from . (ext3 /dev/mapper/pve-root): request=2 time=0.2 ms
4096 bytes from . (ext3 /dev/mapper/pve-root): request=3 time=0.2 ms
4096 bytes from . (ext3 /dev/mapper/pve-root): request=4 time=0.2 ms
4096 bytes from . (ext3 /dev/mapper/pve-root): request=5 time=0.2 ms
4096 bytes from . (ext3 /dev/mapper/pve-root): request=6 time=0.2 ms
4096 bytes from . (ext3 /dev/mapper/pve-root): request=7 time=0.2 ms
4096 bytes from . (ext3 /dev/mapper/pve-root): request=8 time=0.2 ms
4096 bytes from . (ext3 /dev/mapper/pve-root): request=9 time=0.2 ms
4096 bytes from . (ext3 /dev/mapper/pve-root): request=10 time=0.2 ms

— . (ext3 /dev/mapper/pve-root) ioping statistics —
10 requests completed in 9002.8 ms, 5470 iops, 21.4 mb/s
min/avg/max/mdev = 0.1/0.2/0.2/0.0 ms

ioping -RD .

— . (ext3 /dev/mapper/pve-root) ioping statistics —
13897 requests completed in 3000.1 ms, 6205 iops, 24.2 mb/s
min/avg/max/mdev = 0.1/0.2/24.7/0.5 ms

ioping -R .

— . (ext3 /dev/mapper/pve-root) ioping statistics —
9679 requests completed in 3030.0 ms, 3897 iops, 15.2 mb/s
min/avg/max/mdev = 0.0/0.3/390.7/4.6 ms