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Replacing tapes netbackup and symantec backup exec

Hi,

I just recently got the backup responsibility at work. We have symantec backup exec 12 and netbackup 8. I was trying to figure out what backup tapes to replace. Is there a way in any of those backup software that will tell which lto have been used? And which one should be replaced? I am worried I might take off the backup tape that is not being used yet.
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SuperRoot
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SuperRoot
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2 Solutions
 
Rodney BarnhardtServer AdministratorCommented:
Well, it depends on how the backup sets are configured. For instance, in BE, there should be an overwrite policy on the media set. This will keep the tapes from being overwritten. Usually, if you look that the media in the library, those that can be overwritten are blue in color and those that have been recently used and being held are black. It really depends on how the jobs have been set up.
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Thomas RushCommented:
I'm assuming you have a tape library of some sort?    If so, the history of the jobs will tell you which tapes were used last night, normally by the same barcode as is on the tape.

Knowing that, you need to understand your particular tape rotation.   Some companies take every tape offsite, others take only the full backups once a week.With luck, you have some sort of policy manual you can reference.

The second part is making sure that the tapes needed for tonight's backup get put back into the library today.   Again, this should be policy-driven, and with luck, those policies are written down.   If they're not recorded, or not complete, you need to start with what you do know, and implement and record policies that will meet your needs.
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SuperRootAuthor Commented:
I am looking at the backup reports and found the tape written backup tapes used. I just don't know for how long do they keep it appending information before replacing it. Confuses the heck out of me.. Thanks guys!
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Thomas RushCommented:
See if you can determine whether a grandfather-father-son rotation has been implemented in the backup application.

Consider simplifying your environment by using Netbackup throughout.

And... study up.   Backup/data protection is a lot different from other areas of storage.
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SuperRootAuthor Commented:
Which one should you use? Backup exec or netbackup?
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Thomas RushCommented:
Depends on how complex your environment is.  
In any case, this is not a project for 'right now' -- it's something to do after you understand what is going on.   Typically, BE is used in simpler environments, and netbackup in enterprise environments.    That said, if you don't need the netbackup functionality, it's much more expensive and typically harder to tune than BE.
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