So anyway: after moving the protected server to another DPM server, the problem is that I can't just throw away the old data. I have to guarantee 2 months of recovery so the data needs to stay on the old DPM server for two months, under a header Inactive protection for previously protected data.
When I wanted to add new protected servers to the DPM server that I moved other protected servers away from, I hit the 9000 recovery points. Blast.
Of course: I have the data of two drives on 22 servers as Inactive protection for previously protected data. That's 22x2x62 = 2728 recovery points. Yikes, these old snapshots are eating about a third of my snapshot capability.
That migration happened about three weeks ago. The problem is that inactive recovery points will not automatically prune just like a recovery point that is part of an active protection group. An idea would be to remove all recovery points that are older than 2 months, which would give me right now 924 available recovery points, enough to add the stuff I need to backup to that same DPM server.
So how do we remove recovery points? Not through the GUI in any case: it only offers the possibility of removing all recovery points for a given data source, not specific points in time. Also, removing 924 recovery points by hand would be quite a tedious job. Automation is the keyword.
Powershell to the rescue!
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