主机准备
- Hostname： node3
- IPADDR： 192.168.0.64
- NTP Server： 192.168.200.20
- CEPH USER： cephadmin
- OSD： /dev/sdb
## node3端配置 ##
# 安装前准备
echo node3 >/etc/hostname
# 修改IP地址
vi /etc/sysconfig/network-scripts/ifcfg-eth0
...
# 关闭Selinux/firewalld
systemctl stop firewalld
systemctl disable firewalld
setenforce 0
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config
# 配置源
echo '# 阿里CEPH源
[ceph]
name=ceph
baseurl=http://mirrors.aliyun.com/ceph/rpm-mimic/el7/x86_64/
gpgcheck=0
[ceph-noarch]
name=cephnoarch
baseurl=http://mirrors.aliyun.com/ceph/rpm-mimic/el7/noarch/
gpgcheck=0
[ceph-source]
name=ceph-source
baseurl=http://mirrors.aliyun.com/ceph/rpm-mimic/el7/SRPMS/
gpgcheck=0
#'>/etc/yum.repos.d/ceph.repo
# 配置ntp
yum install -y ntp
ntpdate 192.168.200.20
# 配置用户
useradd -d /home/cephadmin -m cephadmin
passwd cephadmin
# 配置sudo免密码
echo "cephadmin ALL=(root) NOPASSWD:ALL" | tee /etc/sudoers.d/cephadmin
chmod 0440 /etc/sudoers.d/cephadmin
# 重启
reboot
## master端配置##
# 配置hosts
echo "192.168.0.64 node3" >>/etc/hosts
cd ~/.ssh
# 配置SSH选项，增加如下格式配置
vi config
Host node3
Hostname node3
User cephadmin
# 分发密钥
ssh-copy-id cephadmin@node3
# 安装ceph
ceph-deploy install node3
# 分发权限
ceph admin node3
# 创建osd data
ceph-deploy osd create --date /dev/sdb node3
# 查看状态
ceph -s
