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You can write a sript to mark old tapes as free; DPM should then reuse them. See, for example, http://technet.microsoft.com/en-us/libr ... 99673.aspx

You can specify the maximum tape size in the Maximum Size column in the Media Layout Editor. You can select the whole column by clicking its header and then paste the same value into all cells at once. You can update the maximum tape size at any time, but of course you cannot make a tape smaller tha...

Firestreamer is a stand-alone product. It is not aware of Microsoft DPM and does not integrate with it in any way. In particular, Firestreamer does not write anything to any SQL database. Microsoft DPM itself creates a record in its database when it detects a tape library. It's up to Microsoft DPM t...

>>07:45:56.757 [3088.2880] <2> write_data: block position check: actual 3358, expected 3359 There is a bug in Firestreamer 4.0 related to tape positioning. It does not affect Microsoft DPM, but may affect Netbackup. The bug is fixed in Firestreamer 4.1, which is not released yet; the release date is...

Please see Basic Concepts and How many tapes of which sizes should I use?

There is no difference in functionality or compression. With network file systems, you can only use file media.

Thank you for your feedback.

I skimmed through the Riverbed website, but couldn't easily find what their appliance does, precisely. If I am correct in that it provides a network share which is being transparently backed up to a cloud, then there is no apparent reason of why the scenario you described would not work. Riverbed se...

>>the recommended action as: Add tape to the library, or to the drive in the case of a stand-alone tape drive. Retry the operation after adding tape. That's exactly what you need to do. Your current tapes seem to be full. You need to load more free tapes, and possibly unload some old tapes in Firest...

Thank you for the update.

Yes, it sounds right, but we recommend two more steps to make sure DPM is aware of newly loaded tapes:

0. Unlock the library door in DPM.
1...9
10. Lock the library door.