ceph部署-基础部署
一、硬件要求:
CPU:4C
内存:每个守护进程需要500MRAM,1TB存储对应1GRAM
磁盘:至少1TB
网卡:1GB以上,最好两个
centos7环境安装
二、CEPH安装
1.建立管理节点
(1)添加yum源
yum install -y https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
yum install -y yum-utils && yum-config-manager --add-repo https://dl.fedoraproject.org/pub/epel/7/x86_64/ sudo yum install --nogpgcheck -y epel-release && rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7 && rm /etc/yum.repos.d/dl.fedoraproject.org*
添加/etc/yum.repos.d/ceph.repo
vim /etc/yum.repos.d/ceph.repo [ceph-noarch] name=Ceph noarch packages baseurl=https://download.ceph.com/rpm/el7/noarch enabled=1 gpgcheck=1 type=rpm-md gpgkey=https://download.ceph.com/keys/release.asc
(2)安装ceph
yum -y install ceph-deploy
(3)安装ntpd
yum -y install ntp ntpdate ntp-doc
(4)安装ssh-server
yum -y install openssh-server
(5)创建ceph检测用户
#建立的用户需要有所有的执行权限,执行命令时,不需要密码验证,这里直接用root
useradd -d /home/cephserver01 -m cephserver01 #创建用户 passwd cephserver01 #设置密码 echo "cephserver01 ALL = (root) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/cephserver01 #执行命令免密 chmod 0440 /etc/sudoers.d/cephserver01
(6)创建ssh密钥
ssh-keygen ssh-copy-id {username}@ceph01 ssh-copy-id {username}@ceph02 ssh-copy-id {username}@ceph03
(7)调整防火墙
公共域开放 Ceph Monitors 使用的 6789 端口和 OSD 使用的 6800:7300 端口范围,并且要配置为永久规则,这样重启后规则仍有效
firewall:
firewall-cmd --zone=public --add-port=6789/tcp --permanent
firewall-cmd --zone=public --add-service=ceph-mon --permanent firewall-cmd --zone=public --add-service=ceph --permanent firewall-cmd --reload
iptables:
iptables -A INPUT -i {iface} -p tcp -s {ip-address}/{netmask} --dport 6789 -j ACCEPT
/sbin/service iptables save
(5)关闭sudo提示
visudo
添加: #Defaults requiretty
(6)关闭selinux
setenforce 0
(6)安装yum包管理
yum -y install yum-plugin-priorities yum -y install deltarpm
(7)添加hosts
hosts中IP必须写具体IP,不能写127.0.0.1
192.168.30.117 ceph01 192.168.30.118 ceph02 192.168.30.119 ceph03