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

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Description of Ceph backup driver configuration options
Configuration option = Default value Description
[DEFAULT]
backup_ceph_chunk_size = 134217728 (Integer) The chunk size, in bytes, that a backup is broken into before transfer to the Ceph object store.
backup_ceph_conf = /etc/ceph/ceph.conf (String) Ceph configuration file to use.
backup_ceph_pool = backups (String) The Ceph pool where volume backups are stored.
backup_ceph_stripe_count = 0 (Integer) RBD stripe count to use when creating a backup image.
backup_ceph_stripe_unit = 0 (Integer) RBD stripe unit to use when creating a backup image.
backup_ceph_user = cinder (String) The Ceph user to connect with. Default here is to use the same user as for Cinder volumes. If not using cephx this should be set to None.
restore_discard_excess_bytes = True (Boolean) If True, always discard excess bytes when restoring volumes i.e. pad with zeroes.