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https://github.com/ceph/ceph
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945 lines
22 KiB
ReStructuredText
945 lines
22 KiB
ReStructuredText
======================================
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Ceph Object Gateway Config Reference
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======================================
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The following settings may added to the Ceph configuration file (i.e., usually
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``ceph.conf``) under the ``[client.radosgw.{instance-name}]`` section. The
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settings may contain default values. If you do not specify each setting in the
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Ceph configuration file, the default value will be set automatically.
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``rgw data``
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:Description: Sets the location of the data files for Ceph Object Gateway.
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:Type: String
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:Default: ``/var/lib/ceph/radosgw/$cluster-$id``
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``rgw enable apis``
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:Description: Enables the specified APIs.
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:Type: String
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:Default: ``s3, swift, swift_auth, admin`` All APIs.
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``rgw cache enabled``
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:Description: Whether the Ceph Object Gateway cache is enabled.
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:Type: Boolean
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:Default: ``true``
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``rgw cache lru size``
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:Description: The number of entries in the Ceph Object Gateway cache.
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:Type: Integer
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:Default: ``10000``
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``rgw socket path``
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:Description: The socket path for the domain socket. ``FastCgiExternalServer``
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uses this socket. If you do not specify a socket path, Ceph
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Object Gateway will not run as an external server. The path you
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specify here must be the same as the path specified in the
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``rgw.conf`` file.
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:Type: String
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:Default: N/A
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``rgw host``
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:Description: The host for the Ceph Object Gateway instance. Can be an IP
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address or a hostname.
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:Type: String
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:Default: ``0.0.0.0``
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``rgw port``
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:Description: Port the instance listens for requests. If not specified,
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Ceph Object Gateway runs external FastCGI.
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:Type: String
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:Default: None
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``rgw dns name``
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:Description: The DNS name of the served domain.
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:Type: String
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:Default: None
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``rgw script uri``
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:Description: The alternative value for the ``SCRIPT_URI`` if not set
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in the request.
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:Type: String
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:Default: None
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``rgw request uri``
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:Description: The alternative value for the ``REQUEST_URI`` if not set
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in the request.
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:Type: String
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:Default: None
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``rgw print continue``
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:Description: Enable ``100-continue`` if it is operational.
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:Type: Boolean
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:Default: ``true``
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``rgw remote addr param``
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:Description: The remote address parameter. For example, the HTTP field
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containing the remote address, or the ``X-Forwarded-For``
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address if a reverse proxy is operational.
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:Type: String
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:Default: ``REMOTE_ADDR``
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``rgw op thread timeout``
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:Description: The timeout in seconds for open threads.
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:Type: Integer
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:Default: 600
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``rgw op thread suicide timeout``
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:Description: The time ``timeout`` in seconds before a Ceph Object Gateway
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process dies. Disbled if set to ``0``.
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:Type: Integer
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:Default: ``0``
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``rgw thread pool size``
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:Description: The size of the thread pool.
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:Type: Integer
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:Default: 100 threads.
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``rgw num control oids``
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:Description: The number of notification objects used for cache synchronization
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between different ``rgw`` instances.
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:Type: Integer
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:Default: ``8``
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``rgw init timeout``
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:Description: The number of seconds before Ceph Object Gateway gives up on
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initialization.
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:Type: Integer
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:Default: ``30``
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``rgw mime types file``
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:Description: The path and location of the MIME types. Used for Swift
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auto-detection of object types.
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:Type: String
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:Default: ``/etc/mime.types``
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``rgw gc max objs``
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:Description: The maximum number of objects that may be handled by
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garbage collection in one garbage collection processing cycle.
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:Type: Integer
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:Default: ``32``
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``rgw gc obj min wait``
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:Description: The minimum wait time before the object may be removed
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and handled by garbage collection processing.
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:Type: Integer
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:Default: ``2 * 3600``
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``rgw gc processor max time``
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:Description: The maximum time between the beginning of two consecutive garbage
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collection processing cycles.
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:Type: Integer
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:Default: ``3600``
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``rgw gc processor period``
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:Description: The cycle time for garbage collection processing.
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:Type: Integer
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:Default: ``3600``
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``rgw s3 success create obj status``
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:Description: The alternate success status response for ``create-obj``.
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:Type: Integer
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:Default: ``0``
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``rgw resolve cname``
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:Description: Whether ``rgw`` should use DNS CNAME record of the request
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hostname field (if hostname is not equal to ``rgw dns name``).
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:Type: Boolean
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:Default: ``false``
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``rgw object stripe size``
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:Description: The size of an object stripe for Ceph Object Gateway objects.
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See `Architecture`_ for details on striping.
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:Type: Integer
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:Default: ``4 << 20``
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``rgw extended http attrs``
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:Description: Add new set of attributes that could be set on an object. These
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extra attributes can be set through HTTP header fields when
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putting the objects. If set, these attributes will return as HTTP
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fields when doing GET/HEAD on the object.
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:Type: String
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:Default: None
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:Example: "content_foo, content_bar"
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``rgw exit timeout secs``
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:Description: Number of seconds to wait for a process before exiting
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unconditionally.
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:Type: Integer
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:Default: ``120``
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``rgw get obj window size``
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:Description: The window size in bytes for a single object request.
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:Type: Integer
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:Default: ``16 << 20``
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``rgw get obj max req size``
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:Description: The maximum request size of a single get operation sent to the
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Ceph Storage Cluster.
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:Type: Integer
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:Default: ``4 << 20``
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``rgw relaxed s3 bucket names``
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:Description: Enables relaxed S3 bucket names rules for US region buckets.
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:Type: Boolean
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:Default: ``false``
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``rgw list buckets max chunk``
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:Description: The maximum number of buckets to retrieve in a single operation
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when listing user buckets.
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:Type: Integer
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:Default: ``1000``
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``rgw num zone opstate shards``
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:Description: The maximum number of shards for keeping inter-region copy
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progress information.
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:Type: Integer
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:Default: ``128``
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``rgw opstate ratelimit sec``
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:Description: The minimum time between opstate updates on a single upload.
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``0`` disables the ratelimit.
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:Type: Integer
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:Default: ``30``
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``rgw curl wait timeout ms``
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:Description: The timeout in milliseconds for certain ``curl`` calls.
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:Type: Integer
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:Default: ``1000``
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``rgw copy obj progress``
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:Description: Enables output of object progress during long copy operations.
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:Type: Boolean
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:Default: ``true``
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``rgw copy obj progress every bytes``
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:Description: The minimum bytes between copy progress output.
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:Type: Integer
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:Default: ``1024 * 1024``
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``rgw admin entry``
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:Description: The entry point for an admin request URL.
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:Type: String
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:Default: ``admin``
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Regions
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=======
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In Ceph v0.67 and beyond, Ceph Object Gateway supports federated deployments and
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a global namespace via the notion of regions. A region defines the geographic
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location of one or more Ceph Object Gateway instances within one or more zones.
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Configuring regions differs from typical configuration procedures, because not
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all of the settings end up in a Ceph configuration file. In Ceph v0.67 and
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beyond, you can list regions, get a region configuration and set a region
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configuration.
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List Regions
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------------
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A Ceph cluster contains a list of regions. To list the regions, execute::
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sudo radosgw-admin regions list
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The ``radosgw-admin`` returns a JSON formatted list of regions.
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.. code-block:: javascript
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{ "default_info": { "default_region": "default"},
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"regions": [
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"default"]}
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Get a Region Map
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----------------
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To list the details of each region, execute::
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sudo radosgw-admin region-map get
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.. note:: If you receive a ``failed to read region map`` error, run
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``sudo radosgw-admin region-map update`` first.
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Get a Region
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------------
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To view the configuration of a region, execute::
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radosgw-admin region get [--rgw-region=<region>]
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The ``default`` region looks like this:
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.. code-block:: javascript
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{"name": "default",
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"api_name": "",
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"is_master": "true",
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"endpoints": [],
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"master_zone": "",
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"zones": [
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{"name": "default",
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"endpoints": [],
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"log_meta": "false",
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"log_data": "false"}
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],
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"placement_targets": [
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{"name": "default-placement",
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"tags": [] }],
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"default_placement": "default-placement"}
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Set a Region
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------------
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Defining a region consists of creating a JSON object, specifying at least the
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required settings:
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#. ``name``: The name of the region. Required.
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#. ``api_name``: The API name for the region. Optional.
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#. ``is_master``: Determines if the region is the master region. Required.
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**note:** You can only have one master region.
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#. ``endpoints``: A list of all the endpoints in the region. For example,
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you may use multiple domain names to refer to the same region. Remember to
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escape the forward slashes (``\/``). You may also specify a
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port (``fgdn:port``) for each endpoint. Optional.
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#. ``master_zone``: The master zone for the region. Optional. Uses the default
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zone if not specified. **note:** You can only have one master zone per
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region.
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#. ``zones``: A list of all zones within the region. Each zone has a
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name (required), a list of endpoints (optional), and whether or not the
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gateway will log metadata and data operations (false by default).
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#. ``placement_targets``: A list of placement targets (optional). Each
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placement target contains a name (required) for the placement target
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and a list of tags (optional) so that only users with the tag can use
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the placement target (i.e., the user's ``placement_tags`` field in the
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user info).
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#. ``default_placement``: The default placement target for the object
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index and object data. Set to ``default-placement`` by default. You
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may also set a per-user default placement in the user info for each
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user.
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To set a region, create a JSON object consisting of the required fields, save
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the object to a file (e.g., ``region.json``); then, execute the following
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command::
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sudo radosgw-admin region set --infile region.json
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Where ``region.json`` is the JSON file you created.
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.. important:: The ``default`` region ``is_master`` setting is ``true`` by
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default. If you create a new region and want to make it the master region,
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you must either set the ``default`` region ``is_master`` setting to
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``false``, or delete the ``default`` region.
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Finally, update the map. ::
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sudo radosgw-admin region-map update
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Set a Region Map
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----------------
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Setting a region map consists of creating a JSON object consisting of one or more
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regions, and setting the ``master_region`` for the cluster. Each region in the
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region map consists of a key/value pair, where the ``key`` setting is equivalent to
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the ``name`` setting for an individual region configuration, and the ``val`` is
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a JSON object consisting of an individual region configuration.
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You may only have one region with ``is_master`` equal to ``true``, and it must be
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specified as the ``master_region`` at the end of the region map. The following
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JSON object is an example of a default region map.
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.. code-block:: javascript
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{ "regions": [
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{ "key": "default",
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"val": { "name": "default",
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"api_name": "",
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"is_master": "true",
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"endpoints": [],
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"master_zone": "",
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"zones": [
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{ "name": "default",
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"endpoints": [],
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"log_meta": "false",
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"log_data": "false"}],
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"placement_targets": [
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{ "name": "default-placement",
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"tags": []}],
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"default_placement": "default-placement"
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}
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}
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],
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"master_region": "default"
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}
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To set a region map, execute the following::
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sudo radosgw-admin region-map set --infile regionmap.json
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Where ``regionmap.json`` is the JSON file you created. Ensure that you have
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zones created for the ones specified in the region map. Finally, update the map.
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::
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sudo radosgw-admin regionmap update
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Zones
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=====
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In Ceph v0.67 and beyond, Ceph Object Gateway supports the notion of zones. A
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zone defines a logical group consisting of one or more Ceph Object Gateway
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instances.
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Configuring zones differs from typical configuration procedures, because not
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all of the settings end up in a Ceph configuration file. In Ceph v0.67 and
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beyond, you can list zones, get a zone configuration and set a zone
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configuration.
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List Zones
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----------
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To list the zones in a cluster, execute::
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sudo radosgw-admin zone list
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Get a Zone
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----------
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To get the configuration of a zone, execute::
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sudo radosgw-admin zone get [--rgw-zone=<zone>]
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The ``default`` zone looks like this:
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.. code-block:: javascript
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{ "domain_root": ".rgw",
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"control_pool": ".rgw.control",
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"gc_pool": ".rgw.gc",
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"log_pool": ".log",
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"intent_log_pool": ".intent-log",
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"usage_log_pool": ".usage",
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"user_keys_pool": ".users",
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"user_email_pool": ".users.email",
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"user_swift_pool": ".users.swift",
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"user_uid_pool": ".users.uid",
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"system_key": { "access_key": "", "secret_key": ""},
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"placement_pools": [
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{ "key": "default-placement",
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"val": { "index_pool": ".rgw.buckets.index",
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"data_pool": ".rgw.buckets"}
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}
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]
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}
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Set a Zone
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----------
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Configuring a zone involves specifying a series of Ceph Object Gateway pools.
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For consistency, we recommend using a pool prefix that is
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the same as the zone name. See `Pools`_ for details of configuring pools.
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To set a zone, create a JSON object consisting of the pools, save
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the object to a file (e.g., ``zone.json``); then, execute the following
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command, replacing ``{zone-name}`` with the name of the zone::
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sudo radosgw-admin zone set --rgw-zone={zone-name} --infile zone.json
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Where ``zone.json`` is the JSON file you created.
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Region/Zone Settings
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====================
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You may include the following settings in your Ceph configuration
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file under each ``[client.radosgw.{instance-name}]`` instance.
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.. versionadded:: v.67
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``rgw zone``
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:Description: The name of the zone for the gateway instance.
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:Type: String
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:Default: None
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.. versionadded:: v.67
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``rgw region``
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:Description: The name of the region for the gateway instance.
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:Type: String
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:Default: None
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.. versionadded:: v.67
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``rgw default region info oid``
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:Description: The OID for storing the default region. We do not recommend
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changing this setting.
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:Type: String
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:Default: ``default.region``
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Pools
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=====
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Ceph zones map to a series of Ceph Storage Cluster pools.
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.. topic:: Manually Created Pools vs. Generated Pools
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If you provide write capabilities to the user key for your Ceph Object
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Gateway, the gateway has the ability to create pools automatically. This
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is convenient, but the Ceph Object Storage Cluster uses the default
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values for the number of placement groups (which may not be ideal) or the
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values you specified in your Ceph configuration file. If you allow the
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Ceph Object Gateway to create pools automatically, ensure that you have
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reasonable defaults for the number of placement groups. See
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`Pool Configuration`_ for details. See `Cluster Pools`_ for details on
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creating pools.
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The default pools for the Ceph Object Gateway's default zone include:
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- ``.rgw``
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- ``.rgw.control``
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- ``.rgw.gc``
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- ``.log``
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- ``.intent-log``
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- ``.usage``
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- ``.users``
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- ``.users.email``
|
|
- ``.users.swift``
|
|
- ``.users.uid``
|
|
|
|
You have significant discretion in determining how you want a zone to access
|
|
pools. You can create pools on a per zone basis, or use the same pools for
|
|
multiple zones. As a best practice, we recommend having a separate set of pools
|
|
for your master zone and your secondary zones in each region. When creating
|
|
pools for a specific zone, consider prepending the region name and zone name to
|
|
the default pool names. For example:
|
|
|
|
- ``.region1-zone1.rgw``
|
|
- ``.region1-zone1.rgw.control``
|
|
- ``.region1-zone1.rgw.gc``
|
|
- ``.region1-zone1.log``
|
|
- ``.region1-zone1.intent-log``
|
|
- ``.region1-zone1.usage``
|
|
- ``.region1-zone1.users``
|
|
- ``.region1-zone1.users.email``
|
|
- ``.region1-zone1.users.swift``
|
|
- ``.region1-zone1.users.uid``
|
|
|
|
|
|
Ceph Object Gateways store data for the bucket index (``index_pool``) and bucket
|
|
data (``data_pool``) in placement pools. These may overlap--i.e., you may use
|
|
the same pool for the the index and the data. The index pool for default
|
|
placement is ``.rgw.buckets.index`` and for the data pool for default placement
|
|
is ``.rgw.buckets``. See `Zones`_ for details on specifying pools in a zone
|
|
configuration.
|
|
|
|
|
|
.. deprecated:: v.67
|
|
|
|
``rgw cluster root pool``
|
|
|
|
:Description: The Ceph Storage Cluster pool to store ``radosgw`` metadata for
|
|
this instance. Not used in Ceph version v.67 and later. Use
|
|
``rgw zone root pool`` instead.
|
|
|
|
:Type: String
|
|
:Required: No
|
|
:Default: ``.rgw.root``
|
|
:Replaced By: ``rgw zone root pool``
|
|
|
|
|
|
.. versionadded:: v.67
|
|
|
|
``rgw region root pool``
|
|
|
|
:Description: The pool for storing all region-specific information.
|
|
:Type: String
|
|
:Default: ``.rgw.root``
|
|
|
|
|
|
|
|
.. versionadded:: v.67
|
|
|
|
``rgw zone root pool``
|
|
|
|
:Description: The pool for storing zone-specific information.
|
|
:Type: String
|
|
:Default: ``.rgw.root``
|
|
|
|
|
|
Swift Settings
|
|
==============
|
|
|
|
``rgw enforce swift acls``
|
|
|
|
:Description: Enforces the Swift Access Control List (ACL) settings.
|
|
:Type: Boolean
|
|
:Default: ``true``
|
|
|
|
|
|
``rgw swift token expiration``
|
|
|
|
:Description: The time in seconds for expiring a Swift token.
|
|
:Type: Integer
|
|
:Default: ``24 * 3600``
|
|
|
|
|
|
``rgw swift url``
|
|
|
|
:Description: The URL for the Ceph Object Gateway Swift API.
|
|
:Type: String
|
|
:Default: None
|
|
|
|
|
|
``rgw swift url prefix``
|
|
|
|
:Description: The URL prefix for the Swift API.
|
|
:Default: ``swift``
|
|
:Example: http://fqdn.com/swift
|
|
|
|
|
|
``rgw swift auth url``
|
|
|
|
:Description: Default URL for verifying v1 auth tokens (if not using internal
|
|
Swift auth).
|
|
|
|
:Type: String
|
|
:Default: None
|
|
|
|
|
|
``rgw swift auth entry``
|
|
|
|
:Description: The entry point for a Swift auth URL.
|
|
:Type: String
|
|
:Default: ``auth``
|
|
|
|
|
|
|
|
Logging Settings
|
|
================
|
|
|
|
|
|
``rgw log nonexistent bucket``
|
|
|
|
:Description: Enables Ceph Object Gateway to log a request for a non-existent
|
|
bucket.
|
|
|
|
:Type: Boolean
|
|
:Default: ``false``
|
|
|
|
|
|
``rgw log object name``
|
|
|
|
:Description: The logging format for an object name. See manpage
|
|
:manpage:`date` for details about format specifiers.
|
|
|
|
:Type: Date
|
|
:Default: ``%Y-%m-%d-%H-%i-%n``
|
|
|
|
|
|
``rgw log object name utc``
|
|
|
|
:Description: Whether a logged object name includes a UTC time.
|
|
If ``false``, it uses the local time.
|
|
|
|
:Type: Boolean
|
|
:Default: ``false``
|
|
|
|
|
|
``rgw usage max shards``
|
|
|
|
:Description: The maximum number of shards for usage logging.
|
|
:Type: Integer
|
|
:Default: ``32``
|
|
|
|
|
|
``rgw usage max user shards``
|
|
|
|
:Description: The maximum number of shards used for a single user's
|
|
usage logging.
|
|
|
|
:Type: Integer
|
|
:Default: ``1``
|
|
|
|
|
|
``rgw enable ops log``
|
|
|
|
:Description: Enable logging for each successful Ceph Object Gateway operation.
|
|
:Type: Boolean
|
|
:Default: ``false``
|
|
|
|
|
|
``rgw enable usage log``
|
|
|
|
:Description: Enable the usage log.
|
|
:Type: Boolean
|
|
:Default: ``false``
|
|
|
|
|
|
``rgw ops log rados``
|
|
|
|
:Description: Whether the operations log should be written to the
|
|
Ceph Storage Cluster backend.
|
|
|
|
:Type: Boolean
|
|
:Default: ``true``
|
|
|
|
|
|
``rgw ops log socket path``
|
|
|
|
:Description: The Unix domain socket for writing operations logs.
|
|
:Type: String
|
|
:Default: None
|
|
|
|
|
|
``rgw ops log data backlog``
|
|
|
|
:Description: The maximum data backlog data size for operations logs written
|
|
to a Unix domain socket.
|
|
|
|
:Type: Integer
|
|
:Default: ``5 << 20``
|
|
|
|
|
|
``rgw usage log flush threshold``
|
|
|
|
:Description: The number of dirty merged entries in the usage log before
|
|
flushing synchronously.
|
|
|
|
:Type: Integer
|
|
:Default: 1024
|
|
|
|
|
|
``rgw usage log tick interval``
|
|
|
|
:Description: Flush pending usage log data every ``n`` seconds.
|
|
:Type: Integer
|
|
:Default: ``30``
|
|
|
|
|
|
``rgw intent log object name``
|
|
|
|
:Description: The logging format for the intent log object name. See manpage
|
|
:manpage:`date` for details about format specifiers.
|
|
|
|
:Type: Date
|
|
:Default: ``%Y-%m-%d-%i-%n``
|
|
|
|
|
|
``rgw intent log object name utc``
|
|
|
|
:Description: Whether the intent log object name includes a UTC time.
|
|
If ``false``, it uses the local time.
|
|
|
|
:Type: Boolean
|
|
:Default: ``false``
|
|
|
|
|
|
``rgw data log window``
|
|
|
|
:Description: The data log entries window in seconds.
|
|
:Type: Integer
|
|
:Default: ``30``
|
|
|
|
|
|
``rgw data log changes size``
|
|
|
|
:Description: The number of in-memory entries to hold for the data changes log.
|
|
:Type: Integer
|
|
:Default: ``1000``
|
|
|
|
|
|
``rgw data log num shards``
|
|
|
|
:Description: The number of shards (objects) on which to keep the
|
|
data changes log.
|
|
|
|
:Type: Integer
|
|
:Default: ``128``
|
|
|
|
|
|
``rgw data log obj prefix``
|
|
|
|
:Description: The object name prefix for the data log.
|
|
:Type: String
|
|
:Default: ``data_log``
|
|
|
|
|
|
``rgw replica log obj prefix``
|
|
|
|
:Description: The object name prefix for the replica log.
|
|
:Type: String
|
|
:Default: ``replica log``
|
|
|
|
|
|
``rgw md log max shards``
|
|
|
|
:Description: The maximum number of shards for the metadata log.
|
|
:Type: Integer
|
|
:Default: ``64``
|
|
|
|
|
|
|
|
Keystone Settings
|
|
=================
|
|
|
|
|
|
``rgw keystone url``
|
|
|
|
:Description: The URL for the Keystone server.
|
|
:Type: String
|
|
:Default: None
|
|
|
|
|
|
``rgw keystone admin token``
|
|
|
|
:Description: The Keystone admin token (shared secret).
|
|
:Type: String
|
|
:Default: None
|
|
|
|
|
|
``rgw keystone accepted roles``
|
|
|
|
:Description: The roles requires to serve requests.
|
|
:Type: String
|
|
:Default: ``Member, admin``
|
|
|
|
|
|
``rgw keystone token cache size``
|
|
|
|
:Description: The maximum number of entries in each Keystone token cache.
|
|
:Type: Integer
|
|
:Default: ``10000``
|
|
|
|
|
|
``rgw keystone revocation interval``
|
|
|
|
:Description: The number of seconds between token revocation checks.
|
|
:Type: Integer
|
|
:Default: ``15 * 60``
|
|
|
|
|
|
|
|
.. _Architecture: ../../architecture#data-striping
|
|
.. _Pool Configuration: ../../rados/configuration/pool-pg-config-ref/
|
|
.. _Cluster Pools: ../../rados/operations/pools
|