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Hi, running Drivepool and Scanner on Windows 2012R2 with 4 * 3TB drives. Added the disks to a pool and set for (2 *) duplication. There is currently no other data stored on any of the disks. I was adding VHDX files to my Virtual Machines yesterday, storing them on the Drivepool drive, and noticed that as I was adding them the value of “Other” was going up under the Drivepool interface. Looking in My Computer I have used about 0.4 TB of space on each of the disks, so in total 1.60TB of data. Looking at the Pool disk in My computer shows I have about 1.59 TB of data on it (so those 2 figures just about match). Also a DIR /s *.* of the Drivepool drive shows a total of 812GB if data, so ½ of what’s shows above, so that all matches. However looking in the Drivepool interface, I see that it says: Duplicated 1.33TB Other 279GB (I have run Re-measure a few times to be sure) which in total equals 1.6TB. I understand that “Other” includes non pooled data on the disk (which I have none of), and stuff such as metadata and “slack space”, but 279GB is quite a high figure, and quite close to the total size of the VHD(X) files on the Drivepool at about 234GB. I think the VHD(X) files are however being duplicated, as I have a VMBackup folder with 4 VHDX files in it, and under the pool folder on E: & F: I can see 2 of the files on each of the disks, and under the pool folder on G: & H: I can see the other 2 files. So it seems they are being duplicated, but showing up in the interface as Other. Any thoughts.

Hi, I have some Questions about using Drivepool with server 2012. i'd like to duplicate a lot of files and some Hyper-V VHDs. The files are no Problem, but what can i suppose on VHDs? Can i store vhds on my pool without worrying about the data, which is written in a vm? One vhd can get a size of 500Gb or more. What happens when i enable the automatic balancing with the vhds? Do they get balanced without shutting down the vms? Can i exclude the vms/vhds from the balancing process? What happens when i remove one disk from the pool? What happens, when i create a vhd which is greater then the free space of the volume on which it is stored? Can i use the integrated per-volume-deduplication feature of Server 2012 to reduce the data, which is stored on one Volume? Can Drivepool still read the deduplicated files? Thanks for the answers best reagrds