Ceph

on replica:

2013-02-09 22:11:46.286883 7f702033e700 10 filestore(/tmp/cephtest/data/osd.5.data) collection_setattr /tmp/cephtest/data/osd.5.data/current/0.b_head 'info' len 5 = 5
2013-02-09 22:11:46.286894 7f702033e700 15 filestore(/tmp/cephtest/data/osd.5.data) truncate meta/dae1b193/pginfo_0.b/0//-1 size 0
2013-02-09 22:11:46.287034 7f702033e700 10 filestore(/tmp/cephtest/data/osd.5.data) truncate meta/dae1b193/pginfo_0.b/0//-1 size 0 = 0
2013-02-09 22:11:46.287054 7f702033e700 15 filestore(/tmp/cephtest/data/osd.5.data) write meta/dae1b193/pginfo_0.b/0//-1 0~627
2013-02-09 22:11:46.287355 7f702033e700 10 filestore(/tmp/cephtest/data/osd.5.data) write meta/dae1b193/pginfo_0.b/0//-1 0~627 = 627
2013-02-09 22:11:46.287519 7f702033e700 15 filestore(/tmp/cephtest/data/osd.5.data) setattrs 0.b_head/874f5bb/plana739334-37/4//0
2013-02-09 22:11:46.287687 7f702033e700 10 filestore(/tmp/cephtest/data/osd.5.data) setattrs 0.b_head/874f5bb/plana739334-37/4//0 = 206
2013-02-09 22:11:46.287702 7f702033e700 15 filestore(/tmp/cephtest/data/osd.5.data) remove 0.b_4/874f5bb/plana739334-37/4//0
2013-02-09 22:11:46.319765 7f702033e700 10 filestore(/tmp/cephtest/data/osd.5.data) remove 0.b_4/874f5bb/plana739334-37/4//0 = 0
2013-02-09 22:11:46.319793 7f702033e700 15 filestore(/tmp/cephtest/data/osd.5.data) collection_add 0.b_3/874f5bb/plana739334-37/4//0 from 0.b_head/874f5bb/plana739334-37/4//0
2013-02-09 22:11:46.369823 7f702033e700 10 filestore(/tmp/cephtest/data/osd.5.data) collection_add 0.b_3/874f5bb/plana739334-37/4//0 from 0.b_head/874f5bb/plana739334-37/4//0 = -2
2013-02-09 22:11:46.369950 7f702033e700 15 filestore(/tmp/cephtest/data/osd.5.data) setattrs 0.b_head/874f5bb/plana739334-37/head//0
2013-02-09 22:11:46.370161 7f702033e700 10 filestore(/tmp/cephtest/data/osd.5.data) setattrs 0.b_head/874f5bb/plana739334-37/head//0 = 107
2013-02-09 22:11:46.370269 7f702033e700 15 filestore(/tmp/cephtest/data/osd.5.data) setattrs 0.b_head/874f5bb/plana739334-37/head//0
2013-02-09 22:11:46.370429 7f702033e700 10 filestore(/tmp/cephtest/data/osd.5.data) setattrs 0.b_head/874f5bb/plana739334-37/head//0 = 213

on the primary, it did create it (snap collections went from 2,4 to 2,3), but either hte snaps vector didn't make it to the replica, or some other subtley prevented it from creating it..

this is probably related to #4051