On 05/14/2014 02:13 PM, Erwin Lubbers wrote: > Hi, > > I'm trying to copy a sparse provisioned rbd image from pool A to pool B (both are replicated three times). The image has a disksize of 8 GB and contains around 1.4 GB of data. I do use: > > rbd cp PoolA/Image PoolB/Image > > After copying "ceph -s" tells me that 24 GB diskspace extra is in use. Then I delete the original pool A image and only 8 GB of space is freed. > > Does Ceph not sparse copy the image using cp? Is there another way to do so? > > I'm using 0.67.7 dumpling on this cluster. I believe that the http://tracker.ceph.com/projects/ceph/repository/revisions/824da2029613a6f4b380b6b2f16a0bd0903f7e3c/diff/src/librbd/internal.cc had to went to the dumpling as backport; github shows that it was not. Josh, would you mind to add your fix there too? > > Regards, > Erwin > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
 |