Overview

The following table shows the general information about the Add Ceph pool plugin:

Property Value
ID add_pool
Name Add Ceph pool
Required server list No

The following table lists the available hints for the plugin:

Hint Title Default value Description
pool_name The name of the pool to add or modify. Must be unique. test Defines the name of the pool you are going to create/modify.
pg_num The total number of placement groups for the pool 0 The number of placement groups for the pool. 0 means default setting
pgp_num The total number of placement groups for the placement purposes 0 The number of placement groups for the pool placement purposes. 0 means default setting
pool_type The type of the pool. replicated Defines type of the pool. Please check official documentation for details.
crush_ruleset_name The name of a CRUSH ruleset to use for this pool. The specified ruleset must exist. replicated_ruleset For replicated pools it is the ruleset specified by the osd pool default crush replicated ruleset config variable. This ruleset must exist. For erasure pools it is erasure-code if the default erasure code profile is used or {pool-name} otherwise. This ruleset will be created implicitly if it doesn’t exist already.
erasure_code_profile The name of a erasure code profile. default The name of the erasure code profile. Please check ` documentation <http://docs.ceph.com/docs/kraken/rados/operations/erasure-code-profile>`_ for details.
expected_num_objects The expected number of objects in the pool. 0 The expected number of objects for this pool. By setting this value ( together with a negative filestore merge threshold), the PG folder splitting would happen at the pool creation time, to avoid the latency impact to do a runtime folder splitting.
quota_max_objects Max number of objects within a pool. 0 0 means unlimited.
quota_max_bytes Max number of bytes of the pool, capacity. 0 0 means unlimited.
replica_size The number of object replicas 1 The number of object copies within a pool.
replica_min_size The minimal number of object replicas 1 The minimal number of object replicas for I/O tasks.