When exec "rbd cp image1 image2", it won't continue any more, no error message.
If I kill it, the image2 does exist in pool but can't be mounted ( data corrupted, seems doesn't copy completely )
In the meantime I found there were no write operation on the cluster ( with "ceph -w" ).
Kernel 3.10.0-123.1.2.vz7.5.29
OS centos7
I can't find anything related on google.
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