Hi Daan, Can you merge patch https://reviews.apache.org/r/28213/ to 4.4 and 4.3 branch.
It fixes following issues CLOUDSTACK-7752 Management Server goes in infinite loop while creating a vm with tagged local data disk when the pool is not tagged CLOUDSTACK-7703 Cloudstack server endless loop when trying to create a volume while storage pool is full. Thanks, Anshul