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https://github.com/ceph/ceph
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89 lines
4.3 KiB
Plaintext
89 lines
4.3 KiB
Plaintext
>=16.0.0
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--------
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* Monitors now have config option ``mon_allow_pool_size_one``, which is disabled
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by default. However, if enabled, user now have to pass the
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``--yes-i-really-mean-it`` flag to ``osd pool set size 1``, if they are really
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sure of configuring pool size 1.
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* librbd now inherits the stripe unit and count from its parent image upon creation.
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This can be overridden by specifying different stripe settings during clone creation.
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* The balancer is now on by default in upmap mode. Since upmap mode requires
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``require_min_compat_client`` luminous, new clusters will only support luminous
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and newer clients by default. Existing clusters can enable upmap support by running
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``ceph osd set-require-min-compat-client luminous``. It is still possible to turn
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the balancer off using the ``ceph balancer off`` command. In earlier versions,
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the balancer was included in the ``always_on_modules`` list, but needed to be
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turned on explicitly using the ``ceph balancer on`` command.
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* Cephadm: There were a lot of small usability improvements and bug fixes:
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* Grafana when deployed by Cephadm now binds to all network interfaces.
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* ``cephadm check-host`` now prints all detected problems at once.
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* Cephadm now calls ``ceph dashboard set-grafana-api-ssl-verify false``
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when generating an SSL certificate for Grafana.
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* The Alertmanager is now correctly pointed to the Ceph Dashboard
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* ``cephadm adopt`` now supports adopting an Alertmanager
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* ``ceph orch ps`` now supports filtering by service name
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* ``ceph orch host ls`` now marks hosts as offline, if they are not
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accessible.
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* Cephadm can now deploy NFS Ganesha services. For example, to deploy NFS with
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a service id of mynfs, that will use the RADOS pool nfs-ganesha and namespace
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nfs-ns::
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ceph orch apply nfs mynfs nfs-ganesha nfs-ns
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* Cephadm: ``ceph orch ls --export`` now returns all service specifications in
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yaml representation that is consumable by ``ceph orch apply``. In addition,
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the commands ``orch ps`` and ``orch ls`` now support ``--format yaml`` and
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``--format json-pretty``.
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* CephFS: Automatic static subtree partitioning policies may now be configured
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using the new distributed and random ephemeral pinning extended attributes on
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directories. See the documentation for more information:
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https://docs.ceph.com/docs/master/cephfs/multimds/
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* Cephadm: ``ceph orch apply osd`` supports a ``--preview`` flag that prints a preview of
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the OSD specification before deploying OSDs. This makes it possible to
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verify that the specification is correct, before applying it.
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* RGW: The ``radosgw-admin`` sub-commands dealing with orphans --
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``radosgw-admin orphans find``, ``radosgw-admin orphans find``,
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``radosgw-admin orphans find`` -- have been deprecated. They have
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not been actively maintained and they store intermediate results on
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the cluster, which could fill a nearly-full cluster. They have been
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replaced by a tool, currently considered experimental,
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``rgw-orphan-list``.
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* RBD: The name of the rbd pool object that is used to store
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rbd trash purge schedule is changed from "rbd_trash_trash_purge_schedule"
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to "rbd_trash_purge_schedule". Users that have already started using
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``rbd trash purge schedule`` functionality and have per pool or namespace
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schedules configured should copy "rbd_trash_trash_purge_schedule"
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object to "rbd_trash_purge_schedule" before the upgrade and remove
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"rbd_trash_purge_schedule" using the following commands in every RBD
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pool and namespace where a trash purge schedule was previously
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configured::
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rados -p <pool-name> [-N namespace] cp rbd_trash_trash_purge_schedule rbd_trash_purge_schedule
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rados -p <pool-name> [-N namespace] rm rbd_trash_trash_purge_schedule
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or use any other convenient way to restore the schedule after the
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upgrade.
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>=16.0.0
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---------
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* librbd: The shared, read-only parent cache has been moved to a separate librbd
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plugin. If the parent cache was previously in-use, you must also instruct
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librbd to load the plugin by adding the following to your configuration::
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rbd_plugins = parent_cache
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* Monitors now have a config option ``mon_osd_warn_num_repaired``, 10 by default.
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If any OSD has repaired more than this many I/O errors in stored data a
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``OSD_TOO_MANY_REPAIRS`` health warning is generated.
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