Many thanks
2014-06-09 14:04 GMT+02:00 Wido den Hollander <w...@42on.com>: > On 06/09/2014 02:00 PM, Ignazio Cassano wrote: > >> Many thanks... >> Can I create a format 2 image (with support for linear snapshot) using >> qemu-img command ? >> > > Yes: > > qemu-img create -f raw rbd:rbd/image1:rbd_default_format=2 10G > > 'rbd_default_format' is a Ceph setting which is passed down to librbd > directly. > > Wido > > >> >> 2014-06-09 13:05 GMT+02:00 Ilya Dryomov <ilya.dryo...@inktank.com >> <mailto:ilya.dryo...@inktank.com>>: >> >> >> On Mon, Jun 9, 2014 at 3:01 PM, Ignazio Cassano >> <ignaziocass...@gmail.com <mailto:ignaziocass...@gmail.com>> wrote: >> > Hi all, >> > I installed cep firefly and now I am playing with rbd snapshot. >> > I created a pool (libvirt-pool) with two images: >> > >> > libvirtimage1 (format 1) >> > image2 (format 2). >> > >> > When I try to protect the first image: >> > >> > rbd --pool libvirt-pool snap protect --image libvirtimage1 --snap >> > libvirt-snap >> > >> > it gives me an error because the image is in format 1: >> > >> > image must support layering. >> > >> > This is correct because libvirtimage1 is in format 1. >> > >> > But If I try with the second image: >> > rbd --pool libvirt-pool snap protect --image image2 --snap >> image2-snap >> > >> > it gives the following: >> > >> > snap failed (2) No such file or directory >> > >> > >> > Image2 exists infact I can see it : >> > >> > rbd -p libvirt-pool ls >> > >> > libvirtimage1 >> > image2 >> > >> > >> > Could someone help me, please ? >> >> You have to create the snapshot first: >> >> rbd --pool libvirt-pool snap create --image image2 --snap image2-snap >> rbd --pool libvirt-pool snap protect --image image2 --snap >> image2-snap >> >> Thanks, >> >> Ilya >> >> >> >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> > > -- > Wido den Hollander > 42on B.V. > Ceph trainer and consultant > > Phone: +31 (0)20 700 9902 > Skype: contact42on > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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