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Catalog tape best practice

Created: 21 Oct 2013 • Updated: 22 Oct 2013 | 3 comments
This issue has been solved. See solution.

Hi,

I need to document a process in which our catalog tapes have some type of "label" that can clarify the dates in which they cover.

So if we have 50 catalog tapes, how do we interpret which tapes cover which dates etc...  How do you guys currently address this issue?

Do you label them w/ something other than the standard bar code these tapes come with?

Thanks in advance.

 

Operating Systems:

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mph999's picture

There is no need.

You might use CTxxxxL4 barcode for example to show it is a catalog tape (xxxx is a number) if you really want to but I wouldn't receoomend anythig further than that.

You cannot control what tapes are used down to a paricular date (well, you can but it's not 'easy' as NBU is not designed to do this).

The answer as to why you don't need to do this is simply the DR file - this tells you (and NBU during a catalog recovery ) which tapes are required.  Simply make sure the DR file is emailed out so that a copy is off the server.

Not sure why you have so many catalog tapes (unless you have a very big catalog) - as soon as a new catalog is taken, the old ones are redundant (well, anything older than the last full, if you use incrementals) - but I would always recommend keeping catalog backups for at least a month, 2 months would be even better.  You would never recover from these as they are so out of date, but sometimes we (support) would look back at what was happening in a catalog some days/ weeks ago to help investigate an issue.

Being able to identify the catalog tapes would be neat (eg the CTxxxx barcode) as if the DR files were lost you could identify the tapes, they could simply be scanned in then (phase 1 only) to find the most recent, running phase 2 on the most recent would rebuild the catalog and thus the DR file.

However that said, there is no excuse for losing the DR files.  Persoanlly I would email them out and save a copy to a network share, thus having two copies sent off the master server.

 

Regards,  Martin
 
Setting Logs in NetBackup:
http://www.symantec.com/docs/TECH75805
 
SOLUTION
Nicolai's picture

One more addition to Martin's post. Besides the DR file you can also confiigure Netbackup to send a email nitification after Catalog backup. This email also contains what tapes has been used.

Below tech notes for reference:

http://www.symantec.com/docs/TECH142909

http://www.symantec.com/docs/TECH24110

Assumption is the mother of all mess ups.

If this post answered your'e qustion -  Please mark as a soloution.

Marianne's picture

I am wondering if you really mean 'Catalog' tapes as in tapes used for Hot Catalog backups?

Or do you mean all client backup tapes?

If Catalog tapes - the above excellent posts should answer your question...

Supporting Storage Foundation and VCS on Unix and Windows as well as NetBackup on Unix and Windows
Handy NBU Links