John,

In TSM 6.4 this behavior was changed so that we do not always reset the
CBT on full backups. This was done, in part, to allow out of band full
backups to be done to a different node / server without interrupting the
incremental chain of the primary backup.

Are you seeing this issue with 6.4?

-----------------------
Rob Edwards
TSM Development
email: rce AT us.ibm DOT com
tieline: 938.2784, external: 720.396.2784




From:   John Monahan <John.Monahan AT US.LOGICALIS DOT COM>
To:     ADSM-L AT vm.marist DOT edu,
Date:   03/20/2014 01:48 AM
Subject:        Re: TSM for VE and "monthly fulls"
Sent by:        "ADSM: Dist Stor Manager" <ADSM-L AT vm.marist DOT edu>



If you backup to a different nodename you will reset the CBT info. So you
can do that monthly full backup to the different nodename, but when you
switch back to the original, it will also require a full. So in essence
you need to do 2 back to back fulls to get this done. I've been down this
road.



_______________________________________
John Monahan
Professional Services Consultant
Logicalis, Inc.



-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Prather, Wanda
Sent: Monday, March 10, 2014 11:43 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: TSM for VE and "monthly fulls"

Would like to know if anyone has solved the conundrum of TSM VE and
customers who want "monthly fulls" in the vault for a year or more.

Now I know that's a bad idea, and it doesn't play well with TSM
incremental-forever.  But still there are customers who insist, or have
managers with ill-thought-out pseudo-requirements for it, or parent firms
who insist on it.  And I can work those issues with backupsets or exports
or nodename-monthly node owners or sometimes even archives for other types
of data.

But I have not been able to do an export on deduped VE filespaces.  It
takes so long and puts on so many locks it has to be cancelled.
So I'm pondering the idea of doing a true VM full, to a different
datamover with a different filespace owner.  But I don't really like that
idea either because the full will have the snapshot outstanding for a long
time, and the scheduling will be tricky so we don't overlap the
incremental snapshots.

SO, anybody else have insight into this particular can of worms?

Thanks
Wanda

**Please note new office phone:
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