Data DeDupe keeps turning off?

[tmcd35]

Hi,

 

I'm in the process of setting up a new file server using Windows 2012R2. It had 5 storage volumes that are thin provisioned parity spaces from a single central storage pool. 3 of the volumes are for shared data, 2 for virtual machine images. For the 3 shared data volumes I want data duplication turned on. On 2 volumes it is working perfectly and I am seeing 26% and 49% dedeuplication rates respectfully. However, on the 3rd volume it keeps turning off. I keep turning it on but one I go back and check the next morning it is disabled again. The problem is this is on our home drives volume - the one I'd expect to see the best gains from dedupe. Anyone know why this could be happening or have suggestions on how I could fix it?

 

Thanks

Edited March 26, 2015 by tmcd35