openstack-manuals/doc/config-reference/source/tables/cinder-storage_ceph.rst

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Description of Ceph storage configuration options
Configuration option = Default value Description
[DEFAULT]
rados_connect_timeout = -1 (Integer) Timeout value (in seconds) used when connecting to ceph cluster. If value < 0, no timeout is set and default librados value is used.
rados_connection_interval = 5 (Integer) Interval value (in seconds) between connection retries to ceph cluster.
rados_connection_retries = 3 (Integer) Number of retries if connection to ceph cluster failed.
rbd_ceph_conf = (String) Path to the ceph configuration file
rbd_cluster_name = ceph (String) The name of ceph cluster
rbd_flatten_volume_from_snapshot = False (Boolean) Flatten volumes created from snapshots to remove dependency from volume to snapshot
rbd_max_clone_depth = 5 (Integer) Maximum number of nested volume clones that are taken before a flatten occurs. Set to 0 to disable cloning.
rbd_pool = rbd (String) The RADOS pool where rbd volumes are stored
rbd_secret_uuid = None (String) The libvirt uuid of the secret for the rbd_user volumes
rbd_store_chunk_size = 4 (Integer) Volumes will be chunked into objects of this size (in megabytes).
rbd_user = None (String) The RADOS client name for accessing rbd volumes - only set when using cephx authentication
volume_tmp_dir = None (String) Directory where temporary image files are stored when the volume driver does not write them directly to the volume. Warning: this option is now deprecated, please use image_conversion_dir instead.