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backup exec overwrite periods overlapping?

I'm struggling to wrap my head around the way this program works.

I have in place a full weeks rotation of 1TB cartridges so that i use a different one for each day monday through thursday, then cycle the friday ones once a month. (4 friday cartridges).

I set the media to a 1 week overwrite period which should give just enough time for the media to be available for the next backup... but i'm not finding that to be the case. Before starting backups i confirm that all media on the cartridge is set to the 1 week overwrite period, but the operations are still stopping at night to request overwritable media.

My major confusion comes when i look at the files located on any given cartridge, when you expand the cartridge tree under the "devices" tab and then look at the cartridge folder of "FLDR00000x" it has a listing of B2D files which are very small and then a grouping of IMG folders. Here is where i'm very confused, it has IMG folders listed for each day of this week, but this cartridge hasn't been in since last week.

What am i not getting here? are those files on the cartridge i'm looking at or just ones in backup exec memory? I specifically don't want to have to manually convert any cartridges to scratch media and am looking for any other way to alleviate these problems so that backups run smoothly.
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highhill2011
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highhill2011
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1 Solution
 
mds-cosCommented:
Remember that overwright protection begins counting when the job ENDS, not when it begins.  So if you set up for 1 week to allow "just enough" time, you actually don't allow enough.  Set for 6 days instead.  This shold resolve your problem.
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highhill2011Author Commented:
well that would certainly explain a lot, i'm going to give this a try and let you know how that goes.
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mds-cosCommented:
Second part of your question is going to need some additional info.  What type of cartridges are you using?  How do you have your library set up (the "B2D" suggests that you have it set up as a backup-to-disk....in which case Backup Exec may not realize that you are using removable media).
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highhill2011Author Commented:
the cartridges are powervault removable disk cartridges.

I don't think it's setup as backup-to-disk, but to be frank i'm not sure how i would find out how the library is set up.
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mds-cosCommented:
Take a look under devices to see how it shows up.
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highhill2011Author Commented:
ah, i see it now. it is set up as backup to disk folders. is there an easy way to adjust that so that it recognizes that we are using removable media?

and in that vein what differences in operation will that cause?
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mds-cosCommented:
You should have it set up as a removable backup to disk devices so that BE will not try to treat the device as a fixed device.

Dell generally provides good support and documentation.  I would suggest that you start by looking at the Powervault docs.  They should have a section telling you the Dell recommended configs for Backup Exec.  If not, you can just wing it -- you are already on the right track.  Just configure your library as removable medai rather than backup to disk folders.
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highhill2011Author Commented:
ok, thanks for your help
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