Sorry, none of the librbd configuration properties can be live-updated currently. -- Jason Dillaman ----- Original Message ----- > From: "Daniel Schwager" <Daniel.Schwager@xxxxxxxx> > To: "ceph-users@xxxxxxxx" <ceph-users@xxxxxxxx> > Sent: Friday, December 11, 2015 3:35:11 AM > Subject: Possible to change RBD-Caching settings while rbd device is in use ? > > Hallo ceph-users, > > is it possible to change the rbd caching settings [1] from a rbd devices > which is already online, mapped and in use? > > I'm interesting in changing "READ-AHEAD SETTINGS" because of poor read > performance of our iscsi/fc-target. But it's not (easy) possible to unmount > the rbd device, because it's in production use. > > > [1] http://docs.ceph.com/docs/master/rbd/rbd-config-ref/?highlight=replica > > best regards > Danny > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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