ceph预环境安装

更新epel最新源 yum install epel-release -y
新加ceph jewel 版本源

 

vim /etc/yum.repos.d/ceph.repo

[ceph-noarch]
name=Ceph noarch packages
baseurl=https://download.ceph.com/rpm-jewel/el7/noarch
enabled=1
gpgcheck=1
type=rpm-md
gpgkey=https://download.ceph.com/keys/release.asc
priority=1


[ceph]
name=Ceph packages for $basearch
baseurl=https://download.ceph.com/rpm-jewel/el7/$basearch
enabled=1
gpgcheck=1
type=rpm-md
gpgkey=https://download.ceph.com/keys/release.asc
priority=1


[ceph-source]
name=Ceph source packages
baseurl=https://download.ceph.com/rpm-jewel/el7/SRPMS
enabled=1
gpgcheck=1
type=rpm-md
gpgkey=https://download.ceph.com/keys/release.asc
priority=1

 

更新系统软件

 

sudo yum update

 

安装ceph-deploy

 

sudo yum install ceph-deploy

 

在所有的ceph node节点里添加ceph_deploy用户

 

sudo useradd -d /home/ceph_deploy -m ceph_deploy
sudo passwd ceph_deploy

 

在所有的ceph node节点里给ceph_deploy用户添加sudo权限

 

echo "ceph_deploy ALL = (root) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/ceph_deploy
sudo chmod 0440 /etc/sudoers.d/ceph_deploy

 

所有的ceph node添加互信

sudo su ceph_deploy
ssh-keygen
ssh-copy-id ceph_deploy@ceph-node1
ssh-copy-id ceph_deploy@ceph-node2
ssh-copy-id ceph_deploy@ceph-node3

 

添加ssh config文件，格式如下： vim ~/.ssh/config

 

vim ~/.ssh/config

Host ceph-node1
Hostname ceph-node1
User ceph_deploy
Host ceph-node2
Hostname ceph-node2
User ceph_deploy
Host ceph-node3
Hostname ceph-node3
User ceph_deploy

 

修改/etc/selinux/config 文件 将SELINUX=enforcing改为SELINUX=disabled sudo setenforce 0 sudo yum install yum-plugin-priorities

预安装完成后，按照这个 安装ceph块存储 安装ceph块存储