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Re: [Veritas-bu] Slow backups over 10Gb
2010-03-04 08:06:11
Hi,
Per your second e-mail:
Before looking at NetBackup, use iperf and run that first.
http://lkml.org/lkml/2010/2/25/438
If iperf does not perform because of a switch issue or other bandwidth
limitation, you aren't going to get anywhere :)
Justin.
On Thu, 4 Mar 2010, Justin Piszcz wrote:
Hi,
Show your network topology?
Also have read the 10Gbps tuning documents on the net?
Essentially you want to use jumbo frames if you want over 3gbps is what I
read in one document.
Justin.
On Thu, 4 Mar 2010, WALLEBROEK Bart wrote:
I have some Unix systems that performed very well when backing up to a
1Gbit connected DSSU Media Server. However when that Media Server NIC was
upgraded to 10Gbit the performance dropped dramatically (85 MB/sec > 40
KB/sec). When I point these Unix systems back to another 1Gb Media Server
then they are fast again.
Windows clients do not seem to have issues.
Is there any tuning / tweaking that needs to be done for Unix systems to
perform well to backup to a 10Gbit (Windows) Media Server ?
Best Regards,
Bart WALLEBROEK
Backup Admin & Systems & Applications Management & Support Specialist
S.W.I.F.T. SCRL
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