Thanks for the clarification.. > On Sat, Jan 21, 2017 at 1:18 PM, Maged Mokhtar <mmokhtar@xxxxxxxxxxx> > wrote: >> Hi, >> >> If a host with a kernel mapped rbd image dies, it still keeps a watch on >> the rbd image header for a timeout that seems to be determined by >> ms_tcp_read_timeout ( default 15 minutes ) rather than >> osd_client_watch_timeout whereas according to the docs: "If the client >> loses its connection to the primary OSD for a watched object, the watch >> will be removed after a timeout configured with >> osd_client_watch_timeout." >> >> It is possible to force watch removal by blacklisting the failed host, >> but >> i was wondering if the above timeout is the correct behavior. this is >> using latest 10.2.5 > > Yeah, it can do that in some cases because kernels up to 4.6 use the > old watch-notify protocol. If you upgrade the kernel client to 4.7 or > higher, all watches should get removed after osd_client_watch_timeout. > > Thanks, > > Ilya > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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