Re: [ceph-users] OSD process doesn't die immediately after device disappears

2016-05-19 Thread Marcel Lauhoff
Hi Somnath, Somnath Roy writes: > FileStore doesn't subscribe for any such event from the device. Presently, it > is relying on filesystem (for the FileStore assert) to return back error > during IO and based on the error it is giving an assert. > FileJournal assert you are getting in the aio

Re: [ceph-users] OSD process doesn't die immediately after device disappears

2016-05-17 Thread Somnath Roy
eph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of Marcel Lauhoff Sent: Tuesday, May 17, 2016 5:59 AM To: ceph-users Subject: [ceph-users] OSD process doesn't die immediately after device disappears Hi, we recently played the good ol' pull a harddrive game and wondered, why th

[ceph-users] OSD process doesn't die immediately after device disappears

2016-05-17 Thread Marcel Lauhoff
Hi, we recently played the good ol' pull a harddrive game and wondered, why the OSD process took a couple of minutes to recognize their misfortune. In our configuration two OSDs share an HDD: OSD n as its journal device, OSD n+1 as its filesystem. We expected that OSDs detect this kind of f