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Can't append to deduplication media

Created: 22 Jul 2014 • Updated: 23 Jul 2014 | 2 comments
This issue has been solved. See solution.

I'm running BE 2010 R3 with the OST plugin and a Dell DR4100 dedup device with the latest software. I'm only able to overwrite dedup media. When I try to run an append job, I get the "No appendable media could be mounted" error. The OST media is set to allow infinite append, and I've only used 3 GB out of the 50 GB media allocation for my testing. I have no trouble appending to tape or on regular B2D jobs. What else should I check?

Operating Systems:

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lmosla's picture

Hi,  this is by design and your backup is functioning correctly. OST Deduplication Media cannot be appended.  refer to

SOLUTION's picture

Criminy. Searched all over the site and didn't find that. Thanks.