Networker

Re: [Networker] Slow backups

2003-06-10 11:02:40
Subject: Re: [Networker] Slow backups
From: agascoyn <agascoyn AT ESO DOT ORG>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Tue, 10 Jun 2003 16:04:52 +0200
Hi Marc

The first thing is to check what your network cards are setup to run at.

In our experience we have found that for optimum results you need to
have your machine hard set to run at full 100mb/1000mb dependant on your
setup.

Plus the switch must be set the same otherwise this can cause the speed
to slow down.

Below is what your /etc/system file should be setup as to enforce the above:

snip --->

set hme:hme_adv_autoneg_cap=0
set hme:hme_adv_100fdx_cap=1
set hme:hme_adv_100hdx_cap=0
set hme:hme_adv_10fdx_cap=0
set hme:hme_adv_10hdx_cap=0
set hme:hme_adv_100T4_cap=0

end--->

Hope this helps

Marc Levitan wrote:

I have 1 backup that gets a rate of 28GB/hr  and another that is 43GB/hr.

Both are Solaris 6 Servers running Networker 6.1.
Networker Server is Solaris 8 Networker 6.1.

Both Clients are running Informix and both clients are storage nodes that
share DDS tape drives across the SAN.

One client is a SUN E6500 (slower) the other is a SUN E10K (faster).

Both have parallelism of 2.

What can I check to determine why one is so much faster than the other?

Thanks,
Marc Levitan
Storage Management Specialist
PFPC Global Funds Services

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--
Andrew Gascoyne
Unix Administrator
European Southern Observatory
Karl-Schwarzschild-Strasse 2
D-85748 Garching bei Muenchen

Phone: +49 89 32006443
Fax  : +49 89 32006380
EMail: agascoyn AT eso DOT org

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