I don't think it's documented. It won't affect PGs that are active+clean. Takes effect during peering, easiest to set it in ceph.conf and restart the OSDs on *all* OSDs that you want to rescue. Important to not forget to unset it afterwards
Paul 2018-08-28 13:21 GMT+02:00 Maks Kowalik <[email protected]>: > Thank you for answering. > Where is this option documented? > Do I set it in the config file, or using "tell osd.number" or admin-daemon? > Do I set it on the primary OSD of the up set, on all OSDs of the up set, or > maybe on all historical peers holding the shards of a particular group? > Is this option dangerous to other groups on those OSDs (currently an OSD > holds about 160 pgs)? > > Maks > > wt., 28 sie 2018 o 12:12 Paul Emmerich <[email protected]> napisał(a): >> >> No need to delete it, that situation should be mostly salvagable by >> setting osd_find_best_info_ignore_history_les temporarily on the >> affected OSDs. >> That should cause you to "just" lose some writes resulting in inconsistent >> data. >> >> >> Paul >> >> 2018-08-28 11:08 GMT+02:00 Maks Kowalik <[email protected]>: >> > What is the correct procedure for re-creating an incomplete placement >> > group >> > that belongs to an erasure coded pool? >> > I'm facing a situation when too many shards of 3 PGs were lost during >> > OSD >> > crashes, and taking the data loss was decided, but can't force ceph to >> > recreate those PGs. The query output shows: >> > "peering_blocked_by_detail": [ >> > {"detail": "peering_blocked_by_history_les_bound"} >> > What was tried: >> > 1. manual deletion of all shards appearing in "peers" secion of PG query >> > output >> > 2. marking all shards as complete using ceph-objectstore-tool >> > 3. deleting peering history from OSDs keeping the shards >> > >> > _______________________________________________ >> > ceph-users mailing list >> > [email protected] >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > >> >> >> >> -- >> Paul Emmerich >> >> Looking for help with your Ceph cluster? Contact us at https://croit.io >> >> croit GmbH >> Freseniusstr. 31h >> 81247 München >> www.croit.io >> Tel: +49 89 1896585 90 -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90 _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
