Veritas-bu

[Veritas-bu] NUMBER_DATA_BUFFERS / SIZE_DATA_BUFFERS

2004-05-13 07:55:47
Subject: [Veritas-bu] NUMBER_DATA_BUFFERS / SIZE_DATA_BUFFERS
From: scoco AT arl.army DOT mil (Coco, Samuel (Cont, ARL/CISD))
Date: Thu, 13 May 2004 07:55:47 -0400
Here is a link to the doc that explains it very well.

http://support.veritas.com/docs/183702

Thank you,
 
 
Samuel J. Coco, STG
Functional Area Manager, ARL
Sr UNIX Administrator
BELL      301 394-1151 DSN 290
CELL (B) 240 398-7121 / (H)443 496-1623
HOME     410 604-2415
Email  scoco AT arl.army DOT mil


-----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 David
Chapa
Sent: Wednesday, May 12, 2004 5:27 PM
To: Dave Cecchino; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] NUMBER_DATA_BUFFERS / SIZE_DATA_BUFFERS


SIZE and NUMBER of Data Buffers are only set on the Media Servers or
better explained those NetBackup servers that have connection to
physical devices.


David A. Chapa * Technical Advisor * ADIC * 720.249.5836 * 720.272.8452
cell *  david.chapa AT adic DOT com

HIGH PERFORMANCE, SCALABLE, RELIABLE - http://www.adic.com/gopathlightvx


-----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
Cecchino
Sent: Wednesday, May 12, 2004 12:10 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] NUMBER_DATA_BUFFERS / SIZE_DATA_BUFFERS


Hi All,

Quick question, I am seeing this message in my bptm logs, and I am
trying
to performance tune my backups. I do not think the client is being set
to
the right number data buffers, however I have setup correct file paths


13:51:00.350 [10142] <2> write_data: received first buffer (262144
bytes),
begin writing data
13:51:00.358 [10142] <2> write_data: writing block shorter than
BUFF_SIZE,
32768 bytes
13:51:00.359 [10142] <2> write_data: writing short block, 32768 bytes,
remainder 0


On the master

master # cat cat /usr/openv/netbackup/db/NUMBER_DATA_BUFFERS
16
master # cat /usr/openv/netbackup/db/config/SIZE_DATA_BUFFERS
262144


And on the client I have done the same,

client # cat /usr/openv/netbackup/NET_BUFFER_SZ
65536
client # cat cat /usr/openv/netbackup/db/NUMBER_DATA_BUFFERS
16
client # cat /usr/openv/netbackup/db/config/SIZE_DATA_BUFFERS
262144


My question, is /usr/openv/netbackup/db/config a valid path on the
client
unix host or does it have to be in root install of netbackup
/usr/openv/netbackup?

thanks,

David




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