This document is for a development version of Ceph.
OSD class path issues¶
2011-12-05 17:41:00.994075 7ffe8b5c3760 librbd: failed to assign a block name for image create error: error 5: Input/output error
This usually happens because your OSDs can’t find
search for it in
osd_class_dir, which may not be set correctly by
Most likely it’s looking in
/usr/lib/rados-classes instead of
/usr/lib64/rados-classes - change
osd_class_dir in your
ceph.conf and restart the OSDs to fix it.