Enterprise Software Thread, DPM 2012 SP1 / Deduplication / 2008 R2 Storage Server in Technical; We currently have DPM 2012 SP1 installed on a server running 2008 R2 Storage Server.
Once DPM 2012 SP1 was ...
10th July 2013, 01:21 PM #1
DPM 2012 SP1 / Deduplication / 2008 R2 Storage Server
We currently have DPM 2012 SP1 installed on a server running 2008 R2 Storage Server.
Once DPM 2012 SP1 was released many months back (so that it then supports deduplicated data/volumes) I built a Server 2012 VM Server to use as a file server; with the intention of activating and using deduplication.
All went well until I found out that although DPM 2012 SP1 supports backing up of deduplicated data/volumes; whilst running it on a 2008 R2 Storage Server this feature is not.
I think it is to do with the fact that 2008 R2 Storage Server only deduplicates at file level; and Server 2012 / DPM 2012 SP1 is (also) at block level...although I may be wrong!!
Anyway, although I always prefer to do clean installs of OS's, I am tempted to do an in place upgrade from 2008 R2 Storage Server to 2012...anything I should look out for? Anyone else done this?
10th July 2013, 08:59 PM #2
You need to uninstall DPM prior to the in-place upgrade. The steps are as follows:
1) Backup the DPM 2012 SP1 DPM database.
2) Un-install DPM 2012 SP1 - maintain replica data.
3) Upgrade the Server 2008 O.S> to Server 2012 O.S. Make sure the DPM storage pool disks are imported.
4) Install DPM 2012 Sp1
5) Restore DPM 2012 Sp1 Database using Dpmsync -restoreDB ...
6) Run DPMSync -Sync to make new mountpoints.
7) Run CC to get all datasources green.
Useful info about dedup in DPM 2012 SP1 - Protecting deduplicated volumes
10th July 2013, 09:48 PM #3
- Rep Power
No issues for me. Didn't have DPM installed before on our servers but in place upgrade went like a breeze - no ill after effects a couple of months later that would make me suggest a clean install.
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