Re: [ADSM-L] Data Protection for IBM Domino

2015-08-21 09:45:39
Subject: Re: [ADSM-L] Data Protection for IBM Domino
From: Frank Ramke <ramke AT US.IBM DOT COM>
Date: Fri, 21 Aug 2015 09:42:30 -0400

Just noticed your question was about circular logging....

"The customer uses circular logging only for all Domino instances."

With circular logging, we cannot backup transaction logs!

Anyway  YES, Daily incrementals instead of Daily selectives with occasional
incremental is fine.  New and changed nsf files will be backed up,
deleted ones will be inactivated...


This topic is found under "Backup Strategies" in the book.

Sample Strategies

Full backup plus transaction log archives
   It is often not practical to back up entire databases with each regular
backup for large Domino installations. Archival logging captures changes to
all logged databases in the archived transaction log files. Full database
backups are run less frequently, reducing burdens on network and storage
resources. To implement this strategy:
- Run regular log archives by running the archivelog command. The log file
does not fill and it captures changes to logged databases.
- Run regular Incremental backups, which back up logged databases with
unchanged DBIIDs.
- Run occasional Selective backups of all logged databases. The number of
transaction log files to be processed during a restore is reduced.
- Issue the inarchivelog command (following Selective backups) to allow
nonessential transaction log files to expire.

The archivelog command captures changes to all logged databases in between
full backups of selected databases. To restore a database to its most
recent state, restore the most recent database backup and
specify /applylogs. All the necessary archived transaction log files are
restored so that updates for the database can be applied

From:   "Loon, EJ van (ITOPT3) - KLM" <Eric-van.Loon AT KLM DOT COM>
Date:   08/21/2015 09:00 AM
Subject:        Data Protection for IBM Domino
Sent by:        "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>

Hi guys!
One of my customers uses Data Protection for IBM Domino for a few years
now. All mail instances are backed up daily with the domdsmc selective
command. I recently discovered that old deleted databases were never
removed from TSM, which seems to be caused by the fact that we do
selectives only. Only an occasional domdsmc incremental seems to remove
So I recommended the customer to implement an incremental backup once a
week. He now asks me "What if I run daily incrementals instead of the
selectives?" I don't know if that will work, nor can I find the answer in
the manuals...
The customer uses circular logging only for all Domino instances.
Thank you very much for your help in advance!
Kind regards,
Eric van Loon
AF/KLM Storage Engineering
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