You should be able to utilize image-meta to override the configuration on a particular image:
# rbd image-meta set <image name> conf_rbd_clone_copy_on_read true On Wed, Aug 16, 2017 at 8:36 PM, Xavier Trilla <[email protected]> wrote: > Hi, > > > > Is it possible to enable copy on read for a rbd child image? I’ve been > checking around and looks like the only way to enable copy-on-read is > enabling it for the whole cluster using: > > > > rbd_clone_copy_on_read = true > > > > Can it be enabled just for specific images or pools? > > > > We keep some parent images in SSDs -the ones being used often- and plenty > other images on HDD -as they aren’t used so often- and we would like to > enable copy-on-read just for the children images of the ones stored on > HDDs. > > > > Thanks! > > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Jason _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
