1cat >> /etc/hosts <<EOF
2192.168.2.23 node1
3192.168.2.24 node2
4192.168.2.25 node3
5EOF

1systemctl stop firewalld && systemctl disable firewalld
2setenforce 0 && sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config

1hostnamectl set-hostname node1
2hostnamectl set-hostname node2
3hostnamectl set-hostname node3

1systemctl restart chronyd.service && systemctl enable chronyd.service

1ssh-keygen
2ssh-copy-id -i .ssh/id_rsa.pub node1
3ssh-copy-id -i .ssh/id_rsa.pub node2
4ssh-copy-id -i .ssh/id_rsa.pub node3

1yum install python-pip ansible git -y

1git clone https://github.com/ceph/ceph-ansible.git
2cd ceph-ansible
3git checkout stable-4.0

1pip install --upgrade pip
2pip install -r requirements.txt

 1cat >> /etc/ansible/hosts <<EOF
 2[mons]
 3node1
 4node2
 5node3
 6
 7[osds]
 8node1
 9node2
10node3
11
12[mgrs]
13node1
14
15[mdss]
16node1
17node2
18node3
19
20[clients]
21node1
22node2
23node3
24
25[rgws]
26node1
27node2
28node3
29
30[grafana-server]
31node1
32
33EOF

1cd ceph-ansible/group_vars
2for file in *;do cp $file ${file%.*};done

 1---
 2dummy:
 3mon_group_name: mons
 4osd_group_name: osds
 5rgw_group_name: rgws
 6mds_group_name: mdss
 7client_group_name: clients
 8mgr_group_name: mgrs
 9grafana_server_group_name: grafana-server
10configure_firewall: False
11ceph_origin: repository
12ceph_origin: repository
13ceph_repository: community
14ceph_mirror: http://mirrors.aliyun.com/ceph
15ceph_stable_key: http://mirrors.aliyun.com/ceph/keys/release.asc
16ceph_stable_release: nautilus
17ceph_stable_repo: "{{ ceph_mirror }}/rpm-{{ ceph_stable_release }}"
18public_network: "192.168.2.0/24"
19cluster_network: "192.168.2.0/24"
20monitor_interface: ens33
21osd_auto_discovery: true
22osd_objectstore: filestore
23radosgw_interface: ens33
24dashboard_admin_password: asd123456
25grafana_admin_password: admin
26pg_autoscale_mode: True

1ansible-playbook -i /etc/ansible/hosts site.yml

1ceph osd pool set <pool-name> pg_autoscale_mode on