配置文件存储

定义Ceph服务需求

1. 进入site.yml文件。

   1	vim site.yml

2. 如图所示，添加mdss选项：

   

定义集群主机服务

在“ceph-ansible”目录内进入hosts文件。

1

vi hosts

根据需要修改集群中各节点所拥有的应用：

定义Ceph集群配置

1. 修改all.yml。

   1	vim all.yml

2. 通过查找CephFS关键字，修改配置如下。
   • Ceph在线下载方式：

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     ceph_origin: repository ceph_repository: community ceph_mirror: http://download.ceph.com ceph_stable_release: nautilus ceph_stable_repo: "{{ ceph_mirror }}/rpm-{{ ceph_stable_release }}" ceph_stable_redhat_distro: el7 monitor_interface: enp133s0 journal_size: 5120 public_network: 172.19.106.0/0 cluster_network: 172.19.106.0/0 osd_objectstore: bluestore # CEPHFS # ########## cephfs: cephfs # name of the ceph filesystem cephfs_data_pool: name: "{{ cephfs_data if cephfs_data is defined else 'cephfs_data' }}" pg_num: "{{ osd_pool_default_pg_num }}" pgp_num: "{{ osd_pool_default_pg_num }}" rule_name: "replicated_rule" type: 1 # erasure_profile: "" # expected_num_objects: "" application: "cephfs" size: "{{ osd_pool_default_size }}" min_size: "{{ osd_pool_default_min_size }}" cephfs_metadata_pool: name: "{{ cephfs_metadata if cephfs_metadata is defined else 'cephfs_metadata' }}" pg_num: "{{ osd_pool_default_pg_num }}" pgp_num: "{{ osd_pool_default_pg_num }}" rule_name: "replicated_rule" type: 1 # erasure_profile: "" # expected_num_objects: "" application: "cephfs" size: "{{ osd_pool_default_size }}" min_size: "{{ osd_pool_default_min_size }}" cephfs_pools: - "{{ cephfs_data_pool }}" - "{{ cephfs_metadata_pool }}"

     

     参数monitor_interface为Public Network的网口设备ID。

   • Ceph离线下载方式：

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     ceph_origin: distro ceph_repository: local ceph_stable_release: nautilus

定义OSD

参照定义OSD的方法，定义相应的OSD。