ADSM-L

Re: DSM.OPT file

2006-04-06 16:54:38
Subject: Re: DSM.OPT file
From: "Remeta, Mark" <MRemeta AT SELIGMANDATA DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 6 Apr 2006 16:44:51 -0400
What kind of scheduling do you use? If you use prompted scheduling then it's
the TSM server that will contact the client for backup not the other way
around. As far as which ip the client will connect to if you leave the dns
entry, it will connect to the ip address that the dns entry resolves too. I
don't know what kind of tsm server you have but with windows, you can create
a load balancing team with multiple adapters so you do not need to assign
multiple address to each nic card. That is the ideal way of doing it. If you
can't do load balancing on the server then I suggest a separate network for
backups.


-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
Tyree, David
Sent: Thursday, April 06, 2006 3:51 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: DSM.OPT file


            I've got a question about the usage of the
"TCPSERVERADDRESS" line in the dsm.opt file on the clients.

            Currently I have the IP address of the TSM server listed in
the dsm.opt file on the clients. We will be implementing a new
addressing scheme for all of our servers in a couple of months and that
includes the TSM server itself.

            In our case the DNS name of the server happens to match the
name of the TSM server instance. Since our TSM server only has one NIC
and thus only one IP address I went ahead and changed the line to show
the DNS name of the TSM server instead of the IP on a few of the
clients. The DNS name of the TSM server will not be changing, only the
IP address. I wasn't sure at the time if the TSM client would work with
the DNS name instead but I since found in the TSM docs it would. And
found that it actually did work just fine.

            The next issue is that we are thinking about adding another
NIC in the TSM at some point in the future to help split the load on the
network. At that point the TSM server will then have two IP's. Any
clients that I want to have come into the TSM server on the second NIC
would have to have the IP of the second NIC in its dsm.opt file. That
part makes complete sense.

            But what about any clients that I have with the DNS name of
the TSM server in the dsm.opt file instead of the IP address? Which NIC
would they connect to? If I absolutely wanted to ensure that the clients
came into the TSM server on the right NIC I would make sure I had the
right IP listed in that clients options file. But what would happen if I
left the DNS entry in the options file?





David Tyree
Enterprise Backup Administrator
South Georgia Medical Center
229.333.1155

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