On Jun 29, 2007, at 1:14 PM, Ronald L. Rosson Jr. wrote:
On Jun 29, 2007, at 11:54 AM, Chris Buechler wrote:
Now there could be an actual performance problem, but the speed of
backup software is useless in determining whether that's the case.
Like I suggested, try iperf or netperf between VLAN's and see what
you get. If you're only getting like 25 Mb or something, you have
a major problem. If you're getting 300+ Mb, then you are probably
going to have to live with what you're seeing, get faster
hardware, or keep boxes that require very fast throughput between
them on the same segment.
Here is the output I have from running iperf:
(on backup system)
iperf -s
and
(on system on general LAN)
iperf -c <backup system>
Output is below:
------------------------------------------------------------
Client connecting to <backup system>, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.X.XXX port 53545 connected with 192.168.XX.XXX
port 5001
[ 3] 0.0-10.1 sec 6.81 MBytes 5.68 Mbits/sec
Below is the speed when going to another host on the same VLAN.
0.0-10.0 sec 110 MBytes 92.1 Mbits/sec
-Ron
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