I know it is for Windows servers but I found this tech note quite useful
as it explains how to use the debug logs to see if the delay is client
or media server based:-

http://seer.support.veritas.com/docs/244652.htm 

-----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 grant lowe
Sent: Monday, 24 April 2006 10:39 am
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Slow performance problem, cause unknown

I"m having very poor performance on a Sun Ultra 60 with Solaris 9 and
NBU 5.0GA.  I've added the following files to the system with the
asociated
values:

NET_BUFFER_SIZE = 65536
NUMBER_DATA_BUFFERS = 32
SIZE_DATA_BUFFERS = 262144

My /etc/system has these parameters:

set shmsys:shminfo_shmmax=33554432
set shmsys:shminfo_shmmin=1
set shmsys:shminfo_shmmni=512
set shmsys:shminfo_shmseg=100
set msgsys:msginfo_msgmap=512
set msgsys:msginfo_msgmnb=65536
set msgsys:msginfo_msgmni=1024
set msgsys:msginfo_msgmax=8192
set msgsys:msginfo_msgssz=32
set msgsys:msginfo_msgseg=8192
set msgsys:msginfo_msgtql=1024
set semsys:seminfo_semmap=64
set semsys:seminfo_semmni=2048
set semsys:seminfo_semopm=128
set semsys:seminfo_semmsl=300
set semsys:seminfo_semmns=2048
set semsys:seminfo_semmnu=1024
set semsys:seminfo_semume=64

So, why am I only getting a backup that starts at only 2000 KB/sec and
then slows town to 300 KB/sec?  It may be an obvious answer, but I can't
see it.

Thanks for the help!

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