Re: [ceph-users] A question about io consistency in osd down case

On Sat, Dec 10, 2016 at 11:00 PM, Jason Dillaman wrote: > I should clarify that if the OSD has silently failed (e.g. the TCP > connection wasn't reset and packets are just silently being dropped / > not being acked), IO will pause for up to "osd_heartbeat_grace" before The

Re: [ceph-users] A question about io consistency in osd down case

I should clarify that if the OSD has silently failed (e.g. the TCP connection wasn't reset and packets are just silently being dropped / not being acked), IO will pause for up to "osd_heartbeat_grace" before IO can proceed again. On Sat, Dec 10, 2016 at 8:46 AM, Jason Dillaman

Re: [ceph-users] A question about io consistency in osd down case

On Sat, Dec 10, 2016 at 6:11 AM, zhong-yan.gu wrote: > Hi Jason, > sorry to bother you. A question about io consistency in osd down case : > 1. a write op arrives primary osd A > 2. osd A does local write and sends out replica writes to osd B and C > 3. B finishes write and