Am 16.05.2017 um 21:45 schrieb Jason Dillaman: > On Tue, May 16, 2017 at 3:37 PM, Stefan Priebe - Profihost AG > <s.priebe@xxxxxxxxxxxx> wrote: >> We've enabled the op tracker for performance reasons while using SSD >> only storage ;-( > > Disabled you mean? Sorry yes. >> Can enable the op tracker using ceph osd tell? Than reproduce the >> problem. Check what has stucked again? Or should i generate an rbd log >> from the client? > > From a super-quick glance at the code, it looks like that isn't a > dynamic setting. Of course, it's possible that if you restart OSD 46 > to enable the op tracker, the stuck op will clear itself and the VM > will resume. Yes already tested this some time ago. This will resume all I/O. > You could attempt to generate a gcore of OSD 46 to see if > information on that op could be extracted via the debugger, but no > guarantees. Sorry no idea how todo that. > You might want to verify that the stuck client and OSD 46 have an > actual established TCP connection as well before doing any further > actions. Can check that. When i reproduce the issue. Greets, Stefan _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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