Poor Throughput On Host + Guest

[raidz]

Not sure exactly what is going on, did a standard ProxMox install. This machine is on a Gige line and it looks like one thread can only hit between 1-2Mbytes per sec.

root@#####:/etc# wget ​

http://cachefly.cachefly.net/100mb.test

--2012-02-01 07:11:10-- ​

http://cachefly.cachefly.net/100mb.test

Resolving cachefly.cachefly.net... 205.234.175.175
Connecting to cachefly.cachefly.net|205.234.175.175|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: â100mb.test.1â

100%[===================================================================================>]
104,857,600 3.56M/s in 35s

2012-02-01 07:11:45 (2.82 MB/s) - â100mb.test.1â
Server performance Specs:

root@######:/etc# pveperf
CPU BOGOMIPS: 38398.90
REGEX/SECOND: 972702
HD SIZE: 94.49 GB (/dev/mapper/pve-root)
BUFFERED READS: 95.56 MB/sec
AVERAGE SEEK TIME: 10.68 ms
FSYNCS/SECOND: 472.02
DNS EXT: 314.26 ms
DNS INT: 217.78 ms (#####)
root@S04004011920:/etc#

I tested a different Debian Squeeze machine on the same switch that can max out the line.
​

Anyone have any ideas?

 

[udo]

Hi,
test the network-performance with iperf.
(both directions - with "iperf -s" and "iperf -c IP" between two nodes on the switch).

Udo