9.6.2. ceph 設定ファイルの例

parameter_defaults:
  CephPoolDefaultSize: 3
  CephPoolDefaultPgNum: 64
  CephPools:
    - {"name": backups, "pg_num": 128, "pgp_num": 128, "application": "rbd"}
    - {"name": volumes, "pg_num": 256, "pgp_num": 256, "application": "rbd"}
    - {"name": vms, "pg_num": 64, "pgp_num": 64, "application": "rbd"}
    - {"name": images, "pg_num": 32, "pgp_num": 32, "application": "rbd"}
  CephConfigOverrides:
    osd_recovery_op_priority: 3
    osd_recovery_max_active: 3
    osd_max_backfills: 1
  CephAnsibleExtraConfig:
    nb_retry_wait_osd_up: 60
    delay_wait_osd_up: 20
    is_hci: true
    # 3 OSDs * 4 vCPUs per SSD = 12 vCPUs (list below not used for VNF)
    ceph_osd_docker_cpuset_cpus: "32,34,36,38,40,42,76,78,80,82,84,86" # 1
    # cpu_limit 0 means no limit as we are limiting CPUs with cpuset above
    ceph_osd_docker_cpu_limit: 0                                       # 2
    # numactl preferred to cross the numa boundary if we have to
    # but try to only use memory from numa node0
    # cpuset-mems would not let it cross numa boundary
    # lots of memory so NUMA boundary crossing unlikely
    ceph_osd_numactl_opts: "-N 0 --preferred=0"                        # 3
  CephAnsibleDisksConfig:
    osds_per_device: 1
    osd_scenario: lvm
    osd_objectstore: bluestore
    devices:
      - /dev/sda
      - /dev/sdb
      - /dev/sdc

以下のパラメーターを使用して、ceph OSD プロセスの CPU リソースを割り当てます。ワークロードおよびこのハイパーコンバージド環境のハードウェアに基づいて、値を調整します。