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Netbackup 5.1 Catalogs

Posted on 2007-12-06
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Last Modified: 2013-11-14
I've got to say that some things in Netback are not exactly intuitive
- at least IMO.  In other words - I'm learning but I'm confused when
it comes to some things - especially how catalogs are backed up.  Our
current configuration is Media 1 is hcart - 1/2 inch Cartridge and
Media 2 is Disk on the Master server.  My first concern is that the
media for the tape backup has been mounted 800+ times without being
changed.  I'd like swap the tape out but I'm not sure how to do it.
Sure I can physically remove the tape from the robot, but before I
remove the tape I think there are other steps that need to be taken
first? Can someone give me some pointers?  The other question I'm
grappling with is that it's my understanding that catalogs for client
backups are maintained on the client.  Say a server gets fried for
some reason and I want to restore the system state along with the
files to another similarly configured server.  If the catalog is on
the fried server how do I restore the files?  Maybe the catalog is
also backed up to Media 1 or Media 2 above which I suppose is a
possibility depending how things are configured?  I just inherited
this whole thing, so like I said - I'm learning.  Your answers and
recommendations are definitely appreciated.
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Question by:NIDDK1550
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by:bhanukir7
ID: 20435749
Hi,

You can eject the media from netbackup and insert new media.

No coming to your question of catalog, every backup writes session information I.e catalog information to the tape and also merges the catalog information to the database. If the backup server gets bad or the database gets bad put in the tape on another netback server do a merge of the catalog information which will merge the catalog info into the netback database. Which will let you see what is on the tape and you can restore the information.

please elaborate if you have any more queries

bhanu
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Accepted Solution

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calkip70 earned 1000 total points
ID: 20475015
Just to clarify what has already been said.  YOu can eject your catalog tape at any time.  When you do so you just need to remember to "configure" another tape for the catalog backups in the catalog configuration window.  

The Media 1 and Media 2 Areas setting specifies the media to use for the catalog backups. You do not have to assign both Media 1 and Media 2. If you do assign both, NetBackup alternates between the media.  

Important: The Media 1 and Media 2 are not used for "failovers" they alternate.  If for example your tape is not available that you have selected for Media 1, then your catalog backups will continue to fail until you select a valid Media 1 target (whether it be another tape or disk.)

Your catalog database resides on your Netbackup master server.  If your Master server was destroyed then you would have to re-import your catalog.

If you have further questions please let me know.  You can also read about catalog information in the System Administrator guide.  The follow is a link to all the manual pertaining to NetBackup 5.1

http://seer.support.veritas.com/docs/287038.htm
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