Hi, Quoting Stefan Kooman ([email protected]): > Hi, > > We see the following in the logs after we start a scrub for some osds: > > ceph-osd.2.log:2017-12-14 06:50:47.180344 7f0f47db2700 0 > log_channel(cluster) log [DBG] : 1.2d8 scrub starts > ceph-osd.2.log:2017-12-14 06:50:47.180915 7f0f47db2700 -1 osd.2 pg_epoch: > 11897 pg[1.2d8( v 11890'165209 (3221'163647,11890'165209] > local-lis/les=11733/11734 n=67 ec=132/132 lis/c 11733/11733 les/c/f > 11734/11734/0 11733/11733/11733) [2,45,31] r=0 lpr=11733 crt=11890'165209 > lcod 11890'165208 mlcod 11890'165208 active+clean+scrubbing] _scan_snaps no > head for 1:1b518155:::rbd_data.620652ae8944a.0000000000000126:29 (have MIN) > ceph-osd.2.log:2017-12-14 06:50:47.180929 7f0f47db2700 -1 osd.2 pg_epoch: > 11897 pg[1.2d8( v 11890'165209 (3221'163647,11890'165209] > local-lis/les=11733/11734 n=67 ec=132/132 lis/c 11733/11733 les/c/f > 11734/11734/0 11733/11733/11733) [2,45,31] r=0 lpr=11733 crt=11890'165209 > lcod 11890'165208 mlcod 11890'165208 active+clean+scrubbing] _scan_snaps no > head for 1:1b518155:::rbd_data.620652ae8944a.0000000000000126:14 (have MIN) > ceph-osd.2.log:2017-12-14 06:50:47.180941 7f0f47db2700 -1 osd.2 pg_epoch: > 11897 pg[1.2d8( v 11890'165209 (3221'163647,11890'165209] > local-lis/les=11733/11734 n=67 ec=132/132 lis/c 11733/11733 les/c/f > 11734/11734/0 11733/11733/11733) [2,45,31] r=0 lpr=11733 crt=11890'165209 > lcod 11890'165208 mlcod 11890'165208 active+clean+scrubbing] _scan_snaps no > head for 1:1b518155:::rbd_data.620652ae8944a.0000000000000126:a (have MIN) > ceph-osd.2.log:2017-12-14 06:50:47.214198 7f0f43daa700 0 > log_channel(cluster) log [DBG] : 1.2d8 scrub ok > > So finally it logs "scrub ok", but what does " _scan_snaps no head for ..." > mean? > Does this indicate a problem?
Still seeing this issue on a freshly installed luminous cluster. I *think* it either has to do with "cloned" RBDs that get snapshots by themselves or RBDs that are cloned from a snapshot. Any dev that wants to debug this behaviour if I'm able to reliably reproduce this? Gr. Stefan -- | BIT BV http://www.bit.nl/ Kamer van Koophandel 09090351 | GPG: 0xD14839C6 +31 318 648 688 / [email protected] _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
