Re: [Networker] NETWORKER Digest - 8 May 2005 to 9 May 2005 (#2005-109)

 

-----Original Message-----
From: Legato NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU]
On Behalf Of NETWORKER automatic digest system
Sent: Monday, May 09, 2005 9:02 PM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: NETWORKER Digest - 8 May 2005 to 9 May 2005 (#2005-109)

There are 2 messages totalling 126 lines in this issue.

Topics of the day:

  1. networker 7.2 + ASM
  2. Solaris tuning for NetWorker 7.1.3

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Date:    Mon, 9 May 2005 10:07:51 -0400
From:    Bob Flynn <bob.flynn AT S3GROUP DOT COM>
Subject: networker 7.2 + ASM

Hi,

I have the following configuration;

Server

Solaris 2.8
Networker 7.2

Client

Solaris 2.8
running SIMS ( Sun Mail server )

My problem is I am attempting to run a restore of a mailbox. What should
happen is the restore process should interpert a .nsr directive and run
an external ASM asrasm which should pipe the restore into the database
that the SIMS application uses.

The problem is when I attempt a restore, I get the following error
message;

nwrecover: external ASM `imsasm' not found or not executable Received 1
file(s) from NSR server `xxx'

what I am reading this to be is;

The backup server has passed the data to the nwrecover process running
on the client. The client cannot find the external asm to pipe the data
into the database.

So, I have checked the following;

nwrecover on client exists in /bin
imsasm on client exists as a soft link in /bin to /usr/lib/nsr/imsasm

Checking the SIMS documentation.
(http://docs.sun.com/source/816-6738-10/store.html#wp13388 )

To perform backups of the Messaging Server message store using Legato
Networker, you must perform the following preparatory steps before
invoking the Legato interface:

   1. Create a symbolic link from /usr/lib/nsr/imsasm to
msg_srv_base/lib/msg/imsasm
   2. From Sun or Legato, obtain a copy of the nsrfile binary and copy
it to the following directory:

      /usr/lib/nsr/nsrfile

Can someone clarify exactly what the msg_srv_base should refer to ?

Thanks..

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------------------------------

Date:    Mon, 9 May 2005 14:31:51 -0400
From:    Robert Maiello <robert.maiello AT PFIZER DOT COM>
Subject: Re: Solaris tuning for NetWorker 7.1.3

I'm not sure how fast your AIT drives can go but I would think 9 of them
can consume a gigabit connection.

Sun had a couple of papers on gigabit:

http://www.sun.com/blueprints/0404/817-6925.pdf

http://www.sun.com/blueprints/0203/817-1657.pdf

One can conclude that SUN gigabits require plenty of CPU. Still if you
add up the rate of all the drives writing (iostat -xcn 5  |grep rmt) you
may find its close to a 1000 Mbits/sec.


I used a script off Sun's site that gives the troughput on the NIC at a
brief moment (-rbs option ):

http://www.sun.com/bigadmin/scripts/   Network interface statistics.


Robert Maiello
Pioneer Data Systems



On Thu, 5 May 2005 11:40:53 -0400, Stan Horwitz <stan AT TEMPLE DOT EDU> wrote:

>We're running our NetWorker server on a Sun v480 with 2GB RAM and two 
>CPU boards in it. We are seeing performance (i.e., throughput) that is 
>lower than what I would expect, even with doing backups of servers on 
>the same subnet as our NSR server. The GB network port on the server is

>nowhere near capacity and web have individual fibre lines between each 
>of our nine Sony S-AIT drives and our backup server.
>
>I am wondering if anyone on this list has any suggestions on how I can 
>tune Solaris 9 to allow for greater throughput.
>
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------------------------------

End of NETWORKER Digest - 8 May 2005 to 9 May 2005 (#2005-109)
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