On Fri, May 27, 2016 at 9:44 AM, Stillwell, Bryan J <Bryan.Stillwell@xxxxxxxxxxx> wrote: > I have a Ceph cluster at home that I¹ve been running CephFS on for the > last few years. Recently my MDS server became damaged and while > attempting to fix it I believe I¹ve destroyed by CephFS journal based off > this: > > 2016-05-25 16:48:23.882095 7f8d2fac2700 -1 log_channel(cluster) log [ERR] > : Error recovering journal 200: (2) No such file or directory > > As far as I can tell the data and metadata are still in tact, so I¹m > wondering if there¹s a way to rebuild the cephfs journal or if that¹s not > possible, a way to start extracting the data? Check out http://docs.ceph.com/docs/master/cephfs/disaster-recovery/ You'll want to make sure you've actually lost the whole journal (how did you manage that?!?!), reset it, and quite possibly run the data scan tools. Be careful! -Greg _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com