On Wed, 16 Nov 2016 14:50:30 +0000 (UTC), Sage Weil wrote: > On Wed, 16 Nov 2016, David Disseldorp wrote: > > Hi, > > > > I'm currently looking at ways to speed up OSD down/out notifications > > for disk-pull events, and was investigating using udev remove events > > for this. > > > > IIUC, the outage currently propagates through to the mons via OSD device > > I/O error -> filestore I/O error -> ceph-osd ceph_abort() -> heartbeat > > failure. > > We just merged (post-jewel) a change that makes connection refused events > trigger an immediate mark-down of the peer OSD. I think this will have > the same effect, as long as the ceph-osd process is killed in a timely > manner. Have you tried it? I'd suggest making sure that it's not > sufficient before investing too much time into a udev-based approach... > > See a033dc6f5b4cef357db6f5951062d680e880ba0e Looks much cleaner than handling this in udev. I'll test this with Jewel and follow up - thanks Sage! Cheers, David -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
