DOKK / manpages / debian 10 / rbd-nbd / rbd-nbd.8.en
RBD-NBD(8) Ceph RBD-NBD(8)

rbd-nbd - map rbd images to nbd device

rbd-nbd [-c conf] [--read-only] [--device nbd device] [--nbds_max limit] [--max_part limit] [--exclusive] map image-spec | snap-spec
rbd-nbd unmap nbd device
rbd-nbd list-mapped

rbd-nbd is a client for RADOS block device (rbd) images like rbd kernel module. It will map a rbd image to a nbd (Network Block Device) device, allowing access it as regular local block device.

Use ceph.conf configuration file instead of the default /etc/ceph/ceph.conf to determine monitor addresses during startup.

Map read-only.

Override the parameter of NBD kernel module when modprobe, used to limit the count of nbd device.

Override for module param nbds_max.

Forbid writes by other clients.

image-spec is [pool-name]/image-name
snap-spec  is [pool-name]/image-name@snap-name

The default for pool-name is "rbd". If an image name contains a slash character ('/'), pool-name is required.

rbd-nbd is part of Ceph, a massively scalable, open-source, distributed storage system. Please refer to the Ceph documentation at http://ceph.com/docs for more information.

rbd(8)

2010-2019, Inktank Storage, Inc. and contributors. Licensed under Creative Commons Attribution Share Alike 3.0 (CC-BY-SA-3.0)

August 28, 2019 dev