Yeah，rbd clone works well, thanks a lot!
2013/9/16 Sage Weil <s...@inktank.com> > 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@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- OPS 王根意
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