Hi cephers, Read this post "CEPH Jewel Preiew <http://www.sebastien-han.fr/blog/2016/04/04/ceph-jewel-preview-map-rbd-devices-on-nbd/>" before. Follow the steps can map and mount rbd image to /dev/nbd successfully. But I can not write any files. The error message is "Read-only file system". Is this feature still in the experimental stage?
Best wishes, Mika
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