=== Copy-on-read across nodes ===

--- Setting up images ---

wrote 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

wrote 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)


--- Doing COR ---

{u'return': {}}
{u'return': u''}

--- Checking COR result ---

discard 67108864/67108864 bytes at offset 0
64 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 1048576/1048576 bytes at offset 0
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)

read 1048576/1048576 bytes at offset 1048576
1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)