ceph deploy

https://www.jianshu.com/p/396bf436275a


# on each nodes
 systemctl stop firewalld.service
 systemctl disable firewalld.service
 setenforce 0
 sed -i 's/SELINUX=.*/SELINUX=disabled/' /etc/selinux/config
 echo -e  "10.78.0.51 node1\n10.78.0.52 node2\n10.78.0.53 node3" >> /etc/hosts
 for i in {1..3}; do ping -c 2 node$i ; done
 
 # 免密登录（on node1）
 ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa
 ssh-copy-id root@node2
 ssh-copy-id root@node3
 
 # 测试免密登录（on node1）
 ssh root@node2
 ssh root@node3
 
 
# on each nodes
yum -y install wget
yum clean all
rm -rf /etc/yum.repos.d/*.repo
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
sed -i '/aliyuncs/d' /etc/yum.repos.d/CentOS-Base.repo
sed -i '/aliyuncs/d' /etc/yum.repos.d/epel.repo

# 配置ceph源
cat > /etc/yum.repos.d/ceph.repo << EOF
[ceph]
name=ceph
baseurl=https://mirrors.aliyun.com/ceph/rpm-nautilus/el7/x86_64/
gpgcheck=0
[ceph-noarch]
name=cephnoarch
baseurl=https://mirrors.aliyun.com/ceph/rpm-nautilus/el7/noarch/
gpgcheck=0
EOF

yum makecache


## 安装ntp
yum install ntp -y

# 20221019 commit