Hi Jason, I have a coredump with the size of 1200M compressed .
Where shall i put the dump ? I think the crashes are often caused when I do a snapshot backup of the vm-images. Then somwething happens with locking which causes the cm to crash .... Thanks Christoph On Mon, Aug 31, 2015 at 09:10:49AM -0400, Jason Dillaman wrote: > Unfortunately, the tool the dynamically enable/disable image features (rbd > feature disable <image-spec> <feature>) was added during the Infernalis > development cycle. Therefore, in the short-term you would need to recreate > the images via export/import or clone/flatten. > > There are several object map / exclusive lock bug fixes that are scheduled to > be included in the 0.94.4 release that might address your issue. However, > without more information, we won't know if the issue you are seeing has been > fixed or not in a later release. > > If it is at all possible, it would be most helpful if you could provide logs > or a backtrace when the VMs lock up. Since it happens so infrequently, you > may not be willing to increase the RBD debug log level to 20 on one of these > VMs. Therefore, another possibility is for you to run "gcore <VM qemu pid>" > to generate a core dump or attach GDB to the hung VM and run "thread apply > all bt". With the gcore or backtrace method, we would need a listing of all > the package versions installed on the machine to recreate a similar debug > environment. > > Thanks, > > Jason > > > ----- Original Message ----- > > From: "Christoph Adomeit" <christoph.adom...@gatworks.de> > > To: ceph-users@lists.ceph.com > > Sent: Monday, August 31, 2015 7:49:00 AM > > Subject: [ceph-users] How to disable object-map and exclusive features ? > > > > Hi there, > > > > I have a ceph-cluster (0.94-2) with >100 rbd kvm images. > > > > Most vms are running rock-solid but 7 vms are hanging about once a week. > > > > I found out the hanging machines have > > features: layering, exclusive, object map while all other vms do not have > > exclusive and object map set. > > > > Now I want to disable these features. Is ist possible to disable these > > features while the vms are running ? Or at least while they are shut down ? > > Or will I have to recreate all these images ? > > > > Thanks > > Christoph > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > -- Christoph Adomeit GATWORKS GmbH Reststrauch 191 41199 Moenchengladbach Sitz: Moenchengladbach Amtsgericht Moenchengladbach, HRB 6303 Geschaeftsfuehrer: Christoph Adomeit, Hans Wilhelm Terstappen christoph.adom...@gatworks.de Internetloesungen vom Feinsten Fon. +49 2166 9149-32 Fax. +49 2166 9149-10 _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
