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| -rw-r--r-- | doc/dev/osd-class-path.rst | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/doc/dev/osd-class-path.rst b/doc/dev/osd-class-path.rst new file mode 100644 index 000000000..d0e54acac --- /dev/null +++ b/doc/dev/osd-class-path.rst @@ -0,0 +1,16 @@ +======================= + 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 ``cls_rbd.so``. They +search for it in ``osd_class_dir``, which may not be set correctly by +default (http://tracker.ceph.com/issues/1722). + +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. |