2015-11-13 09:30:40 +00:00
|
|
|
:orphan:
|
|
|
|
|
|
|
|
|
|
=========================================
|
|
|
|
|
rbd-nbd -- map rbd images to nbd device
|
|
|
|
|
=========================================
|
|
|
|
|
|
|
|
|
|
.. program:: rbd-nbd
|
|
|
|
|
|
|
|
|
|
Synopsis
|
|
|
|
|
========
|
|
|
|
|
|
2017-03-25 07:09:01 +00:00
|
|
|
| **rbd-nbd** [-c conf] [--read-only] [--device *nbd device*] [--nbds_max *limit*] [--max_part *limit*] [--exclusive] map *image-spec* | *snap-spec*
|
2015-11-13 09:30:40 +00:00
|
|
|
| **rbd-nbd** unmap *nbd device*
|
|
|
|
|
| **rbd-nbd** list-mapped
|
|
|
|
|
|
|
|
|
|
Description
|
|
|
|
|
===========
|
|
|
|
|
|
|
|
|
|
**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.
|
|
|
|
|
|
|
|
|
|
Options
|
|
|
|
|
=======
|
|
|
|
|
|
|
|
|
|
.. option:: -c ceph.conf
|
|
|
|
|
|
|
|
|
|
Use *ceph.conf* configuration file instead of the default
|
|
|
|
|
``/etc/ceph/ceph.conf`` to determine monitor addresses during startup.
|
|
|
|
|
|
2017-03-25 07:09:01 +00:00
|
|
|
.. option:: --read-only
|
|
|
|
|
|
2017-03-26 06:12:28 +00:00
|
|
|
Map read-only.
|
2017-03-25 07:09:01 +00:00
|
|
|
|
2015-11-13 09:30:40 +00:00
|
|
|
.. option:: --nbds_max *limit*
|
|
|
|
|
|
|
|
|
|
Override the parameter of NBD kernel module when modprobe, used to
|
|
|
|
|
limit the count of nbd device.
|
|
|
|
|
|
2017-03-25 07:09:01 +00:00
|
|
|
.. option:: --max_part *limit*
|
|
|
|
|
|
|
|
|
|
Override for module param nbds_max.
|
|
|
|
|
|
|
|
|
|
.. option:: --exclusive
|
|
|
|
|
|
2017-03-26 06:12:28 +00:00
|
|
|
Forbid writes by other clients.
|
2017-03-25 07:09:01 +00:00
|
|
|
|
2015-11-13 09:30:40 +00:00
|
|
|
Image and snap specs
|
|
|
|
|
====================
|
|
|
|
|
|
|
|
|
|
| *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.
|
|
|
|
|
|
|
|
|
|
Availability
|
|
|
|
|
============
|
|
|
|
|
|
|
|
|
|
**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.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
See also
|
|
|
|
|
========
|
|
|
|
|
|
|
|
|
|
:doc:`rbd <rbd>`\(8)
|
