Many thanks... Can I create a format 2 image (with support for linear snapshot) using qemu-img command ?
2014-06-09 13:05 GMT+02:00 Ilya Dryomov <ilya.dryo...@inktank.com>: > On Mon, Jun 9, 2014 at 3:01 PM, Ignazio Cassano > <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 >
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