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Merge pull request #51695 from zdover23/wip-doc-2023-05-23-backport-5…
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pacific: doc/glossary: update bluestore entry
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anthonyeleven committed May 23, 2023
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:ref:`BlueStore<rados_config_storage_devices_bluestore>`
OSD BlueStore is a storage back end used by OSD daemons, and
was designed specifically for use with Ceph. BlueStore was
introduced in the Ceph Kraken release. In the Ceph Luminous
release, BlueStore became Ceph's default storage back end,
supplanting FileStore. Unlike :term:`filestore`, BlueStore
stores objects directly on Ceph block devices without any file
system interface. Since Luminous (12.2), BlueStore has been
Ceph's default and recommended storage back end.
introduced in the Ceph Kraken release. The Luminous release of
Ceph promoted BlueStore to the default OSD back end,
supplanting FileStore. As of the Reef release, FileStore is no
longer available as a storage backend.

BlueStore stores objects directly on Ceph block devices without
a mounted file system.

Bucket
In the context of :term:`RGW`, a bucket is a group of objects.
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