Zlatko

thanks for your response.......we have been running our tsm server for a
year with maximumsglist at the default value....  if what your saying is
true about restore capability that would explain a few things.. we have done
major restores and not got all the data back we expected.  Is there an IBM
document on all this somewhere other than IBM flash 10135?

Another question, our tsm server has multiple qlogic hba's.  I believe the
maximumsglist will take affect on all the adapters.  However some of those
adapters are used just for SAN disk connectivity. Will changing this
parameter have any impact on disk access/performance?

Thanks again

Chris

From: Zlatko Krastev <acit AT ATTGLOBAL DOT NET>
Reply-To: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: maximumsglist - lanfree
Date: Thu, 30 Oct 2003 10:31:30 +0200

You must set this option higher than 0x41 (I prefer 0xFF) on *any* machine
accessing tape over SAN - be it TSM server, TSM Storage Agent, or any
other product.
Afterwards you must perform the backup *again* - some times with low
maximumsglist setting the data is reported to be written but is not
completely. Thus your backup might be not restoreable.

Zlatko Krastev
IT Consultant






i love tsm <ilovetsm AT HOTMAIL DOT COM>
Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
30.10.2003 09:21
Please respond to "ADSM: Dist Stor Manager"


        To:     ADSM-L AT VM.MARIST DOT EDU
        cc:
        Subject:        maximumsglist - lanfree


Hi

Well the quest for lan free backups continues....

I got past my initial problems by upgrading storage agent to 5.1.5.4 (same
level as server)

Yesterday I managed to run an image backup lan free, 150Gb in 1hr 15
minutes
so was quite happy with that.  However when I went to restore it 5 minutes
later it failed and the server actlog gave me

10/29/2003 16:39:39   ANR8939E The adapter for tape drive DRIVE2WWPK
(mt1.0.0.5)
                                 cannot handle  the block size needed to
use
the volume.

I then tried another image backup and it failed with the same error.
During
the time of the image backup working then stopping working nothing had
changed.

I believe the above error is to do with the registry entry for
maximumsglist.  On the storage agent client I have had maximumsglist set
to
FF for a while.

My question is do I need to set the same registry key on the TSM Server
itself?
If not then what else can be causing this

TIA

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