Pools

Pools management

   $ ceph osd pool ls detail

Here detail is optionnal

   $ ceph osd pool get <pool_name> all

   $ ceph osd pool rm <pool_name> <pool_name> --yes-really-really-mean-it

   $ ceph osd pool create <pool_name> <pg_number>
   $ ceph osd pool set <pool_name> size <replicas_number>

Get erasure coding profile :

   $ ceph osd erasure-code-profile get default

Or create new erasure coding profile :

   $ ceph osd erasure-code-profile set <profile_name> k=<k_num> m=<m_num> crush-failure-domain=<failure_domain>

Refer to your crushmap for crush-failure-domain

Create erasure coding pool :

   $ ceph osd pool create ecpool <pg_number> erasure <profile_name>

In Luminous, partial writes enabling :

   $ ceph osd pool set <pool_name> allow_ec_overwrites true

   $ ceph osd erasure-code-profile ls

   $ ceph osd erasure-code-profile get <ec_profile>

Quotas

   $ ceph osd pool set-quota <pool_name> max_objects <object_number>

   $ ceph osd pool set-quota <pool_name> max_bytes <bytes_number>

   $ ceph osd pool get-quota <pool_name>