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| author | John Wilkins <john.wilkins@inktank.com> | 2013-04-16 13:22:13 -0700 |
|---|---|---|
| committer | John Wilkins <john.wilkins@inktank.com> | 2013-04-16 13:22:13 -0700 |
| commit | 3afe84b2007721ab5d968ca3b7f4cc8bc30f52fc (patch) | |
| tree | e4686a3ca6354a8a0bd4025348b8296aa2539bc3 | |
| parent | 4a84ddbd30ef3cc105053f272819c2f1ea2be0d2 (diff) | |
| download | ceph-3afe84b2007721ab5d968ca3b7f4cc8bc30f52fc.tar.gz | |
doc: Cherry picked from master to next. Adds comments on naming OSDs.
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
| -rw-r--r-- | doc/rados/configuration/osd-config-ref.rst | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/doc/rados/configuration/osd-config-ref.rst b/doc/rados/configuration/osd-config-ref.rst index 8d1ab4ac1a2..9486b55912f 100644 --- a/doc/rados/configuration/osd-config-ref.rst +++ b/doc/rados/configuration/osd-config-ref.rst @@ -5,7 +5,30 @@ You can configure OSDs in the Ceph configuration file, but OSDs can use the default values and a very minimal configuration. A minimal OSD configuration sets ``osd journal size`` and ``osd host``, and uses default values for -nearly everything else. +nearly everything else. + +OSDs are numerically identified in incremental fashion, beginning with ``0`` +using the following convention. :: + + osd.0 + osd.1 + osd.2 + +In a configuration file, you may specify settings for all OSDs in the cluster +by adding configuration settings to the ``[osd]`` section of your configuration +file. To add settings directly to a specific OSD (e.g., ``osd host``), enter +it in an OSD-specific section of your configuration file. For example: + +.. code-block:: ini + + [osd] + osd journal size = 1024 + + [osd.0] + osd host = osd-host-a + + [osd.1] + osd host = osd-host-b General Settings |