Now that we are 2 years and some ceph releases farther and have bluestor: Are there meanwhile any better ways to find out the mtime of an rbd image ? Thanks Christoph On Thu, Nov 26, 2015 at 06:50:46PM +0100, Jan Schermer wrote: > Find in which block the filesystem on your RBD image stores journal, find the object hosting this block in rados and use its mtime :-) > > Jan > > > > On 26 Nov 2015, at 18:49, Gregory Farnum <gfarnum@xxxxxxxxxx> wrote: > > > > I don't think anything tracks this explicitly for RBD, but each RADOS object does maintain an mtime you can check via the rados tool. You could write a script to iterate through all the objects in the image and find the most recent mtime (although a custom librados binary will be faster if you want to do this frequently). > > -Greg > > > > On Thursday, November 26, 2015, Christoph Adomeit <Christoph.Adomeit@xxxxxxxxxxx <mailto:Christoph.Adomeit@xxxxxxxxxxx>> wrote: > > Hi there, > > > > I am using Ceph-Hammer and I am wondering about the following: > > > > What is the recommended way to find out when an rbd-Image was last modified ? > > > > Thanks > > Christoph > > > > -- > > Christoph Adomeit > > GATWORKS GmbH > > Reststrauch 191 > > 41199 Moenchengladbach > > Sitz: Moenchengladbach > > Amtsgericht Moenchengladbach, HRB 6303 > > Geschaeftsfuehrer: > > Christoph Adomeit, Hans Wilhelm Terstappen > > > > Christoph.Adomeit@xxxxxxxxxxx <javascript:;> Internetloesungen vom Feinsten > > Fon. +49 2166 9149-32 Fax. +49 2166 9149-10 > > _______________________________________________ > > ceph-users mailing list > > ceph-users@xxxxxxxxxxxxxx <javascript:;> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com <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 > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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