BackupPC-users

Re: [BackupPC-users] Setup two NIC's to improve performance

2010-06-09 11:33:45
Subject: Re: [BackupPC-users] Setup two NIC's to improve performance
From: "Tyler J. Wagner" <tyler AT tolaris DOT com>
To: backuppc-users AT lists.sourceforge DOT net
Date: Wed, 9 Jun 2010 16:31:52 +0100
On Wednesday 09 June 2010 16:07:32 Bruce wrote:
> Some notes on this though.  A good professional 1GB nic can push about
> 100/MBs.  Often you will run into CPU or HD bottlenecks before you get
> this far unless you've got a pretty decent cpu and  some type of raid hd
> setup.

I have a no-name server with a 3-ware SATA RAID controller and two gigabit 
ethernet interfaces. Between two servers on the same gigabit LAN, using 
default 1500-byte MTU, copying between disks, I can push 200 mbit. Just 
testing UDP with iperf I can easily hit 400 mbit.

Gigabit should sustain 600 mbit. If you're seeing 100 mbit, keep 
investigating.

Regards,
Tyler

-- 
"An ambassador is an honest man sent to lie abroad for the good of
his country."
   -- Sir Henry Wotton

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