As anyone have experience with dedup VM backup made by Vranger?
What we try is first, remove compression on Vranger backup to disk, than apply netapp 7.3.4 dedup on that volume (snapshoot are disable on that volume). It only give us 5% recover space ( 15GB on 270GB volume). It's not very good. Vranger compression give us at least 2:1. Any gotcha I must be aware?
I just want to add that the VM bakup software "Vranger" write is backup file to a CIFS share. So, I dont think we can talk about disk alingment in that case. It create large file from full bakup of VM guest server (20 GB min).