ceph部署（一，yum配置）

1，关闭selinux

sed -i 's/enforcing/disabled/' /etc/selinux/config

2,配置yum仓库文件

cd /etc/yum.repos.d/

mkdir /tmp/bak

mv * /tmp/bak/

curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo

yum install wget -y

wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo

#YUM优先级别：

yum -y install yum-plugin-priorities.noarch

cat << EOF | tee /etc/yum.repos.d/ceph.repo

[Ceph]

name=Ceph packages for $basearch

baseurl=http://mirrors.163.com/ceph/rpm-nautilus/el7/\$basearch

enabled=1

gpgcheck=1

type=rpm-md

gpgkey=https://download.ceph.com/keys/release.asc

priority=1

[Ceph-noarch]

name=Ceph noarch packages

baseurl=http://mirrors.163.com/ceph/rpm-nautilus/el7/noarch

enabled=1

gpgcheck=1

type=rpm-md

gpgkey=https://download.ceph.com/keys/release.asc

priority=1

[ceph-source]

name=Ceph source packages

baseurl=http://mirrors.163.com/ceph/rpm-nautilus/el7/SRPMS

enabled=1

gpgcheck=1

type=rpm-md

gpgkey=https://download.ceph.com/keys/release.asc

EOF

3,安装ntp

yum -y install ntp ntpdate

systemctl start ntpd

systemctl enable ntpd

systemctl status ntpd