On Mon, 16 Sep 2013, Chris Dunlop wrote: > On Mon, Sep 16, 2013 at 09:20:29AM +0800, ??? wrote: > > Hi all: > > > > I have a 30G rbd block device as virtual machine disk, Aleady installed > > ubuntu 12.04. About 1G space used. > > > > When I want to deploy vm, I made a "rbd cp". Then problem came, it copy 30G > > data instead of 1G. And this action take lots of time. > > > > Any ideal? I just want make it faster to deploy vm. > > It's a bug: > > http://tracker.ceph.com/issues/6257 Instead of cp, you can use rbd clone; this is copy-on-write and will always be faster than rbd cp. sage _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
 |