Accessing RBD images on an Erasure Coded pool errors out with "librbd::ImageCtx: error reading image id: (95) Operation not supported", why?
Issue
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Accessing RBD images on an Erasure Coded pool errors out with "librbd::ImageCtx: error reading image id: (95) Operation not supported", why?
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The errors are as following:
# rbd -p <pool-name> info <RBD-image>
2015-12-23 15:21:00.597918 7f33bcba3840 -1 librbd::ImageCtx: error reading image id: (95) Operation not supported
rbd: error opening image <RBD-image>: (95) Operation not supported
Environment
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Red Hat Ceph Storage 1.2.3
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Red Hat Ceph Storage 1.3
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Red Hat Ceph Storage 1.3.1
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