Ceph » rbd

ceph version 0.56.1 (e4a541624df62ef353e754391cbbb707f54b16f7)

On a mixed node cluster running argonaut[burnupi21,burnupi22, burnupi23] and v0.56.1[burnupi24], rbd copy command is successful but returns error message,

ubuntu@burnupi24:~$ rbd create today --size 100
ubuntu@burnupi24:~$ rbd info today
rbd image 'today':
size 102400 KB in 25 objects
order 22 (4096 KB objects)
block_name_prefix: rb.0.109e.6b8b4567
format: 1
ubuntu@burnupi24:~$ rbd cp today today1
Image copy: 100% complete...done.
2013-01-08 09:49:14.584308 7f4d48a86780 -1 rbd: copy failed: (5) Input/output error
librbd: Error getting lock info: (5) Input/output error
2013-01-08 09:49:14.584367 7f4d48a86780 -1 librbd: failed to read newly created header

ubuntu@burnupi24:~$ rbd ls
today
today1

ubuntu@burnupi24:~$ dpkg -l | grep ceph
ii ceph 0.56.1-1precise distributed storage and file system
ii ceph-common 0.56.1-1precise common utilities to mount and interact with a ceph storage cluster
ii ceph-fs-common 0.56.1-1precise common utilities to mount and interact with a ceph file system
ii ceph-fuse 0.56.1-1precise FUSE-based client for the Ceph distributed file system
ii ceph-mds 0.56.1-1precise metadata server for the ceph distributed file system
ii libcephfs1 0.56.1-1precise Ceph distributed file system client library

ubuntu@burnupi24:~$ dpkg -l | grep librbd
ii librbd1 0.56.1-1precise RADOS block device client library
ubuntu@burnupi24:~$ dpkg -l | grep librados
ii librados2 0.56.1-1precise RADOS distributed object store client library

ubuntu@burnupi24:~$ sudo service ceph status === osd.4 ===
osd.4: running {"version":"0.56.1"}