[Veritas-bu] system settings and tuning
scsi or fibre attached? any errors on the connections - 5MB/s is lousy
- where's your data coming from? If a remote client check for speed and
what do you get from doing a 'dd bs=256k' of local data direct to the
tape drive - ie take netbackup out of the picture.
When that's at a sensible spped, backup the local files with netbackup
and ensure you get similar throughput.
Then look at a network backup.
how much memoryon the master? assuming you have plenty, say >2GB, for
have these in /etc/system, change the ge for the equiv for your NICs
* netbackup shared mem, sem and msg params
* see infodoc ID71160
* monitor with
* kstat -c net | egrep 'nocanput|blocked'
* kstat -n ge0 -s rx_overflow
* and 20040615
* gigE flow control
* bpjobd swallows file descriptors
set your network switches to send and receive pause frames if using
> -----Original Message-----
> From: veritas-bu-admin AT mailman.eng.auburn DOT edu
> [mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of
> Dave Markham
> Sent: 26 October 2005 12:43
> To: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] system settings and tuning
> I have used the settings described here previously:-
> And solaris tuning settings in /etc/system from a performance tuning
> guide but they all seem to be a bit dated and i was wondering
> had anyone
> any more up to date info for performance increasing?
> I have just set up a Solaris 9 netbackup 5.0MP5 with an L25
> and two LTO2
> drives. Im only getting 5meg/sec on a backup test but have
> done no tuning.
> With servers getting better ( this is a v240 ) i was wondering were
> there hight /etc/system settings and other tuning parameters for NBU
> Any help would be great
> Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
NOTICE: If received in error, please destroy and notify sender. Sender does
not waive confidentiality or privilege, and use is prohibited.