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doc: Added bucket management commands to ops/crush-map

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Describes the CLI for adding and removing buckets, in addition to the
'moving' instructions which were already present.

Signed-off-by: Stephen Jahl <stephenjahl@gmail.com>
This commit is contained in:
Stephen Jahl 2014-09-14 10:41:16 -04:00
parent 3f0ca4668e
commit d32b4286de
1 changed files with 48 additions and 0 deletions
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48
doc/rados/operations/crush-map.rst
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@ -878,6 +878,34 @@ Where:
:Required: Yes
:Example: ``osd.0``
Add a Bucket
============
To add a bucket in the CRUSH map of a running cluster, execute the ``ceph osd crush add-bucket`` command::
ceph osd crush add-bucket {bucket-name} {bucket-type}
Where:
``bucket-name``
:Description: The full name of the bucket.
:Type: String
:Required: Yes
:Example: ``rack12``
``bucket-type``
:Description: The type of the bucket. The type must already exist in the hierarchy.
:Type: String
:Required: Yes
:Example: ``rack``
The following example adds the ``rack12`` bucket to the hierarchy::
ceph osd crush add-bucket rack12 rack
Move a Bucket
=============
@ -903,7 +931,27 @@ Where:
:Required: No
:Example: ``datacenter=dc1 room=room1 row=foo rack=bar host=foo-bar-1``
Remove a Bucket
===============
To remove a bucket from the CRUSH map hierarchy, execute the following::
ceph osd crush remove {bucket-name}
.. note:: A bucket must be empty before removing it from the CRUSH hierarchy.
Where:
``bucket-name``
:Description: The name of the bucket that you'd like to remove.
:Type: String
:Required: Yes
:Example: ``rack12``
The following example removes the ``rack12`` bucket from the hierarchy::
ceph osd crush remove rack12
Tunables
========