ADSM-L

Re: [ADSM-L] Fw: Journal retention

2007-09-05 13:23:08
Subject: Re: [ADSM-L] Fw: Journal retention
From: Andrew Raibeck <storman AT US.IBM DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 5 Sep 2007 11:21:00 -0600
The journal *entries* are purged after a successful journal-based backup
(so that space can be reused), but the journal database file size itself
is not reduced.

If the journal is reset, such as if you stop the journal service (and
PreserveDbOnExit is not set to 1) or if there is a jouranl notification
buffer overflow, then the journal database will be zeroed out.

For what it's worth, the journal databases are not really analogous to the
dsmerror.log and dsmerror.log files.

Regards,

Andy

Andy Raibeck
IBM Software Group
Tivoli Storage Manager Client Product Development
Level 3 Team Lead
Internal Notes e-mail: Andrew Raibeck/Tucson/IBM@IBMUS
Internet e-mail: storman AT us.ibm DOT com

IBM Tivoli Storage Manager support web page:
http://www.ibm.com/software/sysmgmt/products/support/IBMTivoliStorageManager.html

The only dumb question is the one that goes unasked.
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"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 09/05/2007
10:13:25 AM:

> Avy Wong wrote:
> > Hi,
> >       The problem is the jbbdb files in one of the server has grown
(see
> > size below). I looked at other servers that uses journaling has only
1KB
> > or low in size. Can some of the older data inside the jbbdb be
deleted. Can
> > the size growth be contained?
> >
> > tsmD__.jdb.jbbdb      2273KB
> > tsmC__.jdb.jbbdb    161760KB
>
> journals are purged after a successfull incremental backup. So 'dsmc i'
> should do it. On very active filesystems, one would expect a larger
journal.
>
> >
> >
> >
> > Avy Wong
> > Business Continuity Administrator
> > Mohegan Sun
> > 1 Mohegan Sun Blvd
> > Uncasville, CT 06382
> > (860)862-8164
> > (cell) (860)961-6976
> >
> > ----- Forwarded by Avy Wong/MTGA/LNN on 09/05/2007 09:34 AM -----
> >
> >              Avy Wong/MTGA/LNN
> >
> >              09/05/2007 09:15  To
> >              AM                        ADSM-L AT VM.MARIST DOT EDU
> >  cc
> >
> > Subject
> >                                        Journal retention
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > Hello,
> >       I understand that there is 'errorlogretention' and
> > 'schedlogretention' that you can set in the dsm.opt file so that to
make it
> > easier to manage on the dsmerror.log and  the dsmsched,log. But is
there a
> > way to manage the jbbdb files? If yes, how do you go about doing that?
If
> > not why so? Thank you in advance.
> >
> > tsmD__.jdb.jbbdb
> > tsmC__.jdb.jbbdb
> >
> > Avy Wong
> > Business Continuity Administrator
> > Mohegan Sun
> > 1 Mohegan Sun Blvd
> > Uncasville, CT 06382
> > (860)862-8164
> > (cell) (860)961-6976
> >
>
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