Question about Backing Up RBD Volumes in Openstack

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If I pause my instances in Openstack, then snapshot and clone my volumes, I should have a consistent backup correct? Is freezing on snapshot creation like LVM a potential future feature? 

I've considered Sebastien's method here( http://www.sebastien-han.fr/blog/2012/12/10/openstack-perform-consistent-snapshots/ ), but I would prefer to backup via ceph and outside of the vm.  

Dave Spano 
Optogenics 
Systems Administrator 


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