[Veritas-bu] Netbackup benchmark & performance tuning
2007-02-26 23:09:57
Subject: |
[Veritas-bu] Netbackup benchmark & performance tuning |
From: |
vk_pune at yahoo.com (Vijay Kumar) |
Date: |
Mon, 26 Feb 2007 20:09:57 -0800 (PST) |
Hi All,
We are using Netbackup 5.1MP6 on Solaris 9.
H/W Detasils :
Master/Media Server : v440, 4CPU, 16Gb RAM
Tape Library : L500, 4 F-CAL Drive (LTO Gen 2)
Network Speed : 1GBPS
Tape library is directly connected to server.
Currently when trying to take backup of local server i
am getting 22Mbps throughput which i feel is very
less.
Current Buffer settings:
NET_BUFFER_SZ : 262144
NUMBER_DATA_BUFFERS :128
SIZE_DATA_BUFFERS : 262144
/etc/system:
*Added for Nebackup
set msgsys:msginfo_msgmap=512
set msgsys:msginfo_msgmax=8192
set msgsys:msginfo_msgmnb=65536
set msgsys:msginfo_msgmni=256
set msgsys:msginfo_msgssz=16
set msgsys:msginfo_msgtql=512
set msgsys:msginfo_msgseg=8192
* Semaphores
set semsys:seminfo_semmap=64
set semsys:seminfo_semmni=1024
set semsys:seminfo_semmns=1024
set semsys:seminfo_semmnu=1024
set semsys:seminfo_semmsl=300
set semsys:seminfo_semopm=32
set semsys:seminfo_semume=64
* Shared memory
set shmsys:shminfo_shmmax=4294967296
set shmsys:shminfo_shmmin=1
set shmsys:shminfo_shmmni=220
set shmsys:shminfo_shmseg=100
So i would like to know practically what is the
maximum throughput i can get & buffer setting. What
all changes i need to do on server to get maximum
throughput
Thanks & regards,
Vijay
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