ADSM-L

Re: migration from LAN to LAN free concerns.

2003-05-23 10:57:07
Subject: Re: migration from LAN to LAN free concerns.
From: Steve Argersinger <sargersi AT RUAN DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 23 May 2003 09:56:44 -0500
This appears to be a very good description of the entire Lanfree process.
I'm currently trying to get this very thing to work, so I'm looking for a
bit more detail.  In my environment I have a Compaq 5026 library with 4
drives in it.  Before this Lanfree experiment started, I had a path
statement for my library and 1 path statement for each of the 4 drives.
When you say that a path between the drive and Lanfree client needs defined,
does this mean that I have 4 additional path statements for each storage
agent?  Also, what do you do for the path to the library from the storage
agent?  That appears to be where I'm hung up.

TIA

Steve Argersinger
Ruan Transportation

-----Original Message-----
From: David E Ehresman [mailto:deehre01 AT LOUISVILLE DOT EDU]
Sent: Friday, May 23, 2003 8:55 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: migration from LAN to LAN free concerns.

To do Lanfree to tape, the tapes must be SAN attached to all tsm clients
that will do Lanfree.  The tape drives are defined to the tsm server and
a path is defined between the drives and the tsm server and between the
drives and each lanfree tsm client.  Each lanfree tsm client machine
must have a tsm storage agent running on it

The tsm client starts a lanfree backup which connects to tsm storage
agent running on the same machine.  The storage agent informs the tsm
server it need a tape mount, the tsm server mounts a tape on a free san
drive and tells the storage agent which drive the tape is mounted on.
The data is then written directly from the disk to the tape on the tsm
lanfree client machine using what ever path is normally used to the disk
and the san path to the tape.

David