We have migrated to Veeam from BE2012 and are struggling to mirror the setup with regards to tape overwrites. Currently we backup all hyper-v guest machines as individual jobs overnight (approx. 10 machines). These multiple backup to disks work perfectly well and is set to use reverse incremental with a weekend full active backup. The aim is to always have a complete virtual machine image that can then be duplicated to tape.
We then through the day duplicate all of the guest VM disk jobs to tape as individual jobs. This again works perfectly well and stores a copy of the full VM on the tape.
The problem we have is that in BE2012 we could set the first tape job to 'overwrite the tape' and the last job to eject the tape. In Veeam we are struggling with understanding the logic around setting a tape to be overwritten. We have setup one media pool with a retention of 1 day, and have at least 7 days of tapes all in the pool. However when the daily tape comes round for overwriting the jobs appear to append only.
Is there any way to automate the adding of a new tape to the media pool, and also setting the inserted tape as fully overwriteable ready for the duplicate jobs?
The guides refer to simply setting the retention in the media pool, but this doesn't seem to have the desired effect and we find jobs appending.
We have installed the latest patch that referred to a similar problem with tape append only.
Any help much appreciated.