linux （centos7）使用ceph-deploy 安装ceph

时间：2020-12-01 11:17:27 阅读：22 评论：0 收藏：0 [点我收藏+]

一摘要

本文是基于centos7.6 版使用ceph-deploy 工具安装ceph nautilus 版本。

二环境

（一）操作系统版本

[root@ceph ~]# cat /etc/centos-release
CentOS Linux release 7.6.1810 (Core)
[root@ceph ~]# uname -a
Linux ceph.novalocal 3.10.0-957.el7.x86_64 #1 SMP Thu Nov 8 23:39:32 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
[root@ceph ~]#

（二）ceph 版本

（三）部署规划

主机名	IP	磁盘	角色
ceph001	172.31.185.127	系统盘：/dev/vda 数据盘：/dev/vdb	时间服务器，ceph-deploy,monitor,mgr,mds,osd
ceph002	172.31.185.198	系统盘：/dev/vda 数据盘：/dev/vdb	monitor,mgr,mds,osd
ceph003	172.31.185.203	系统盘：/dev/vda 数据盘：/dev/vdb	monitor,mgr,mds,osd

三部署实施

(一) 基础安装

以下安装，若无特殊说明，三台节点均需要安装。

3.1.1 设置主机名称

以172.31.185.127 为例子

[root@ceph ~]# hostnamectl set-hostname ceph001
[root@ceph ~]#

PS:
172.31.185.198 hostnamectl set-hostname ceph002
172.31.185.203 hostnamectl set-hostname ceph003

3.1.2 关闭防火墙

[root@ceph ~]# systemctl stop firewalld | systemctl disable firewalld | systemctl status firewalld
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
   Active: inactive (dead)
     Docs: man:firewalld(1)
[root@ceph ~]#

3.1.3 关闭selinux

[root@ceph001 ~]# cp /etc/selinux/config /etc/selinux/config.bak.orig
[root@ceph001 ~]# sed -i ‘s/^SELINUX=.*/SELINUX=disabled/‘ /etc/selinux/config
[root@ceph001 ~]# cat /etc/selinux/config

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of these three values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted


[root@ceph001 ~]#

3.1.4 修改hosts文件

[root@ceph001 ~]# cp /etc/hosts /etc/hosts.bak.orig
[root@ceph001 ~]# vi /etc/hosts

新增

172.31.185.127 ceph001
172.31.185.198 ceph002
172.31.185.203 ceph003

3.1.5 重启虚机

[root@ceph001 ~]# reboot

3.1.6 配置时间服务

因为centos7 一般默认安装了chrony ，若没有安装直接 yum install chrony

3.1.6.1 配置时间服务器server 端

172.31.185.127 作为时间服务器server

3.1.6.1.1 修改配置/etc/chrony.conf

[root@ceph001 ~]# cp /etc/chrony.conf  /etc/chrony.conf.bak.orig

3.1.6.2 配置时间服务器client 端

3.1.7 配置ceph 源

根据操作系统版本以及需要安装的ceph 版本配置ceph 源

vim ceph.repo

[Ceph]
name=Ceph packages for $basearch
baseurl=http://mirrors.aliyun.com/ceph/rpm-nautilus/el7/$basearch
enabled=1
gpgcheck=0
type=rpm-md
gpgkey=https://mirrors.aliyun.com/ceph/keys/release.asc
priority=1
[Ceph-noarch]
name=Ceph noarch packages
baseurl=http://mirrors.aliyun.com/ceph/rpm-nautilus/el7/noarch
enabled=1
gpgcheck=0
type=rpm-md
gpgkey=https://mirrors.aliyun.com/ceph/keys/release.asc
priority=1
[ceph-source]
name=Ceph source packages
baseurl=http://mirrors.aliyun.com/ceph/rpm-nautilus/el7/SRPMS
enabled=1
gpgcheck=0
type=rpm-md
gpgkey=https://mirrors.aliyun.com/ceph/keys/release.asc
priority=1

给另外两台机器也配置上

[root@ceph001 yum.repos.d]# scp ceph.repo root@172.31.185.198:/etc/yum.repos.d/
root@172.31.185.198‘s password:
ceph.repo                                                                                                    100%  611   310.3KB/s   00:00
[root@ceph001 yum.repos.d]# scp ceph.repo root@172.31.185.203:/etc/yum.repos.d/
The authenticity of host ‘172.31.185.203 (172.31.185.203)‘ can‘t be established.
ECDSA key fingerprint is SHA256:ES6ytBX1siYV4WMG2CF3/21VKaDd5y27lbWQggeqRWM.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added ‘172.31.185.203‘ (ECDSA) to the list of known hosts.
root@172.31.185.203‘s password:
Permission denied, please try again.
root@172.31.185.203‘s password:
ceph.repo                                                                                                    100%  611   312.3KB/s   00:00
[root@ceph001 yum.repos.d]#

3.1.8 创建部署用户cephadmin

三台节点都要创建该用户，并设置sudo

[root@ceph001 yum.repos.d]# useradd cephadmin
[root@ceph001 ~]# echo "cephnau@2020" | passwd --stdin cephadmin
Changing password for user cephadmin.
passwd: all authentication tokens updated successfully.
[root@ceph001 ~]#
[root@ceph001 yum.repos.d]# echo "cephadmin ALL = (root) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/cephadmin
cephadmin ALL = (root) NOPASSWD:ALL
[root@ceph001 yum.repos.d]# chmod 0440 /etc/sudoers.d/cephadmin
[root@ceph001 yum.repos.d]#

(二) 部署节点基础安装

此处部署节点是ceph001 节点即ceph001

3.2.1 配置cephadmin用户ssh免密登录

部署节点上cephadmin 能够免密登录到三个ceph 集群集群 ceph001,ceph002,ceph003

[root@ceph001 ~]# su - cephadmin
Last login: Mon Nov 30 11:35:15 CST 2020 from 172.31.185.198 on pts/1
[cephadmin@ceph001 ~]$ ssh-keygen
Generating public/private rsa key pair.
Enter file in which to save the key (/home/cephadmin/.ssh/id_rsa):
Created directory ‘/home/cephadmin/.ssh‘.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/cephadmin/.ssh/id_rsa.
Your public key has been saved in /home/cephadmin/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:sw1pd339wzApgtVCwDQV4fGq8/oT7hug7P5WK2ifbpE cephadmin@ceph001
The key‘s randomart image is:
+---[RSA 3072]----+
|      o+o*o      |
|       .+ +      |
|         + o     |
|        o.o  .. .|
|       oSo...+. o|
|    . .EoO... +..|
|     o.o=.+    o.|
|    .o +++.     .|
|    oo**==o      |
+----[SHA256]-----+
[cephadmin@ceph001 ~]$ ssh-copy-id cephadmin@ceph001
/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/home/cephadmin/.ssh/id_rsa.pub"
The authenticity of host ‘ceph001 (172.31.185.127)‘ can‘t be established.
ECDSA key fingerprint is SHA256:ES6ytBX1siYV4WMG2CF3/21VKaDd5y27lbWQggeqRWM.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
cephadmin@ceph001‘s password:

Number of key(s) added: 1

Now try logging into the machine, with:   "ssh ‘cephadmin@ceph001‘"
and check to make sure that only the key(s) you wanted were added.

[cephadmin@ceph001 ~]$ ssh-copy-id cephadmin@ceph002
/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/home/cephadmin/.ssh/id_rsa.pub"
The authenticity of host ‘ceph002 (172.31.185.198)‘ can‘t be established.
ECDSA key fingerprint is SHA256:ES6ytBX1siYV4WMG2CF3/21VKaDd5y27lbWQggeqRWM.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
cephadmin@ceph002‘s password:

Number of key(s) added: 1

Now try logging into the machine, with:   "ssh ‘cephadmin@ceph002‘"
and check to make sure that only the key(s) you wanted were added.

[cephadmin@ceph001 ~]$ ssh-copy-id cephadmin@ceph003

(三) 部署ceph

3.3.1 部署节点安装ceph-deploy

在部署节点ceph001 上使用cephadmin 用户安装ceph-deploy

3.3.1.1 下载安装包到本地

将这些安装包下载到本地，为以后的离线安装做准备。

sudo yum -y install --downloadonly --downloaddir=/home/cephadmin/software/ceph-deploy/ ceph-deploy python-pip

[cephadmin@ceph001 ~]$ ls software/ceph-deploy/
ceph-deploy-2.0.1-0.noarch.rpm  python2-pip-8.1.2-12.el7.noarch.rpm
[cephadmin@ceph001 ~]$

3.3.1.2 安装ceph-deploy python-pip

[cephadmin@ceph001 ~]$ sudo yum -y install  ceph-deploy python-pip

3.3.2 安装ceph包

所有ceph 集群节点都需安装
采用yum 方式安装ceph 包，把相关依赖全部下载下来

3.3.2.1 下载安装包到本地

 sudo yum -y install --downloadonly --downloaddir=/home/cephadmin/software/ceph/ ceph  ceph-radosgw

3.3.2.2 安装ceph 包

三台节点安装ceph

sudo yum -y install  ceph  ceph-radosgw

3.3.3 创建集群

在ceph-deploy 部署节点操作

3.3.3.1 安装ceph软件(标题名称要改)

部署节点上

[cephadmin@ceph001 ~]$ mkdir /home/cephadmin/cephcluster
[cephadmin@ceph001 ~]$ ll
total 0
drwxrwxr-x 2 cephadmin cephadmin  6 Nov 30 16:48 cephcluster
drwxr-xr-x 4 root      root      58 Nov 30 16:45 software
[cephadmin@ceph001 ~]$ cd cephcluster/
[cephadmin@ceph001 cephcluster]$ pwd
/home/cephadmin/cephcluster
[cephadmin@ceph001 cephcluster]$ ceph-deploy new ceph001 ceph002 ceph003
[ceph_deploy.conf][DEBUG ] found configuration file at: /home/cephadmin/.cephdeploy.conf
[ceph_deploy.cli][INFO  ] Invoked (2.0.1): /bin/ceph-deploy new ceph001 ceph002 ceph003
[ceph_deploy.cli][INFO  ] ceph-deploy options:
[ceph_deploy.cli][INFO  ]  username                      : None
[ceph_deploy.cli][INFO  ]  func                          : <function new at 0x7f296c15bd70>
[ceph_deploy.cli][INFO  ]  verbose                       : False
[ceph_deploy.cli][INFO  ]  overwrite_conf                : False
[ceph_deploy.cli][INFO  ]  quiet                         : False
[ceph_deploy.cli][INFO  ]  cd_conf                       : <ceph_deploy.conf.cephdeploy.Conf instance at 0x7f296bae7950>
[ceph_deploy.cli][INFO  ]  cluster                       : ceph
[ceph_deploy.cli][INFO  ]  ssh_copykey                   : True
[ceph_deploy.cli][INFO  ]  mon                           : [‘ceph001‘, ‘ceph002‘, ‘ceph003‘]
[ceph_deploy.cli][INFO  ]  public_network                : None
[ceph_deploy.cli][INFO  ]  ceph_conf                     : None
[ceph_deploy.cli][INFO  ]  cluster_network               : None
[ceph_deploy.cli][INFO  ]  default_release               : False
[ceph_deploy.cli][INFO  ]  fsid                          : None
[ceph_deploy.new][DEBUG ] Creating new cluster named ceph
。。。。

以上可见本次集群名是ceph

并生成以下文件

[cephadmin@ceph001 cephcluster]$ ll
total 16
-rw-rw-r-- 1 cephadmin cephadmin  247 Nov 30 16:50 ceph.conf
-rw-rw-r-- 1 cephadmin cephadmin 5231 Nov 30 16:50 ceph-deploy-ceph.log
-rw------- 1 cephadmin cephadmin   73 Nov 30 16:50 ceph.mon.keyring
[cephadmin@ceph001 cephcluster]$

PS:
ceph-deploy –cluster {cluster-name} new node1 node2 //创建一个自定集群名称的ceph集群，默
认为 ceph

修改ceph.conf 新增网络配置

[global]
fsid = 69002794-cf45-49fa-8849-faadae48544f
mon_initial_members = ceph001, ceph002, ceph003
mon_host = 172.31.185.127,172.31.185.198,172.31.185.203
auth_cluster_required = cephx
auth_service_required = cephx
auth_client_required = cephx
public network = 172.31.185.0/24  
cluster network = 172.31.185.0/24
~

public network = 172.31.185.0/24
cluster network = 172.31.185.0/24
应该使用两个不同的网段，因为我这里只有一张网卡。
比如eth0 ，eth1

3.3.3.2 集群配置初始化，生成所有密钥

[cephadmin@ceph001 cephcluster]$ ceph-deploy mon create-initial #配置初始 monitor(s)、并收集所有密钥
[ceph_deploy.conf][DEBUG ] found configuration file at: /home/cephadmin/.cephdeploy.conf
[ceph_deploy.cli][INFO  ] Invoked (2.0.1): /bin/ceph-deploy mon create-initial
[ceph_deploy.cli][INFO  ] ceph-deploy options:
[ceph_deploy.cli][INFO  ]  username                      : None
[ceph_deploy.cli][INFO  ]  verbose                       : False
[ceph_deploy.cli][INFO  ]  overwrite_conf                : False
[ceph_deploy.cli][INFO  ]  subcommand                    : create-initial
[ceph_deploy.cli][INFO  ]  quiet                         : False
[ceph_deploy.cli][INFO  ]  cd_conf                       : <ceph_deploy.conf.cephdeploy.Conf instance at 0x7f0a8fa7c0e0>
[ceph_deploy.cli][INFO  ]  cluster                       : ceph
[ceph_deploy.cli][INFO  ]  func                          : <function mon at 0x7f0a8fcdf398>
[ceph_deploy.cli][INFO  ]  ceph_conf                     : None
[ceph_deploy.cli][INFO  ]  default_release               : False
[ceph_deploy.cli][INFO  ]  keyrings                      : None
[ceph_deploy.mon][DEBUG ] Deploying mon, cluster ceph hosts ceph001 ceph002 ceph003

生成的密钥

[cephadmin@ceph001 cephcluster]$ ls -l *.keyring
-rw------- 1 cephadmin cephadmin 113 Nov 30 17:17 ceph.bootstrap-mds.keyring
-rw------- 1 cephadmin cephadmin 113 Nov 30 17:17 ceph.bootstrap-mgr.keyring
-rw------- 1 cephadmin cephadmin 113 Nov 30 17:17 ceph.bootstrap-osd.keyring
-rw------- 1 cephadmin cephadmin 113 Nov 30 17:17 ceph.bootstrap-rgw.keyring
-rw------- 1 cephadmin cephadmin 151 Nov 30 17:17 ceph.client.admin.keyring
-rw------- 1 cephadmin cephadmin  73 Nov 30 16:50 ceph.mon.keyring
[cephadmin@ceph001 cephcluster]$ pwd
/home/cephadmin/cephcluster
[cephadmin@ceph001 cephcluster]$

3.3.3.3 配置信息分发到各节点

配置信息将拷贝到各节点/etc/ceph 目录下

[cephadmin@ceph001 cephcluster]$ ceph-deploy admin ceph001 ceph002 ceph003 #配置信息拷贝到三台节点

检查是否可以
切换到root 账号

[root@ceph001 ~]# ceph -s
  cluster:
    id:     69002794-cf45-49fa-8849-faadae48544f
    health: HEALTH_OK

  services:
    mon: 3 daemons, quorum ceph001,ceph002,ceph003 (age 10m)
    mgr: no daemons active
    osd: 0 osds: 0 up, 0 in

  data:
    pools:   0 pools, 0 pgs
    objects: 0 objects, 0 B
    usage:   0 B used, 0 B / 0 B avail
    pgs:

[root@ceph001 ~]#

[root@ceph002 ~]# ceph -s
  cluster:
    id:     69002794-cf45-49fa-8849-faadae48544f
    health: HEALTH_OK

  services:
    mon: 3 daemons, quorum ceph001,ceph002,ceph003 (age 12m)
    mgr: no daemons active
    osd: 0 osds: 0 up, 0 in

  data:
    pools:   0 pools, 0 pgs
    objects: 0 objects, 0 B
    usage:   0 B used, 0 B / 0 B avail
    pgs:

[root@ceph002 ~]#

如果想使用cephadmin 账号执行ceph -s,则需要修改/etc/ceph 目录权限

[root@ceph001 ~]# su - cephadmin
Last login: Mon Nov 30 16:42:45 CST 2020 on pts/0
[cephadmin@ceph001 ~]$ ceph -s
[errno 2] error connecting to the cluster
[cephadmin@ceph001 ~]$ ll /etc/ceph/
total 12
-rw------- 1 root root 151 Nov 30 17:25 ceph.client.admin.keyring
-rw-r--r-- 1 root root 313 Nov 30 17:25 ceph.conf
-rw-r--r-- 1 root root  92 Nov 24 03:33 rbdmap
-rw------- 1 root root   0 Nov 30 17:16 tmp10a3zI
[cephadmin@ceph001 ~]$ sudo chown -R cephadmin:cephadmin /etc/ceph
[cephadmin@ceph001 ~]$ ceph -s
  cluster:
    id:     69002794-cf45-49fa-8849-faadae48544f
    health: HEALTH_OK

  services:
    mon: 3 daemons, quorum ceph001,ceph002,ceph003 (age 14m)
    mgr: no daemons active
    osd: 0 osds: 0 up, 0 in

  data:
    pools:   0 pools, 0 pgs
    objects: 0 objects, 0 B
    usage:   0 B used, 0 B / 0 B avail
    pgs:

[cephadmin@ceph001 ~]$

三个节点都需要执行 sudo chown -R cephadmin:cephadmin /etc/ceph

3.3.3.4 配置osd

首先查看数据盘名称,三个节点都要看

[root@ceph001 ~]# lsblk
NAME   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sr0     11:0    1  478K  0 rom
vda    253:0    0   50G  0 disk
├─vda1 253:1    0  200M  0 part /boot
└─vda2 253:2    0 49.8G  0 part /
vdb    253:16   0   50G  0 disk

可见我数据盘时vdb
我这里写了各脚本，该脚本需要在/home/cephadmin/cephcluster 目录下执行

for dev in /dev/vdb
do
ceph-deploy disk zap ceph001 $dev
ceph-deploy osd create ceph001 --data $dev
ceph-deploy disk zap ceph002 $dev
ceph-deploy osd create ceph002 --data $dev
ceph-deploy disk zap ceph003 $dev
ceph-deploy osd create ceph003 --data $dev
done

[cephadmin@ceph001 cephcluster]$ for dev in /dev/vdb
> do
> ceph-deploy disk zap ceph001 $dev
> ceph-deploy osd create ceph001 --data $dev
> ceph-deploy disk zap ceph002 $dev
> ceph-deploy osd create ceph002 --data $dev
> ceph-deploy disk zap ceph003 $dev
> ceph-deploy osd create ceph003 --data $dev
> done
[ceph_deploy.conf][DEBUG ] found configuration file at: /home/cephadmin/.cephdeploy.conf
[ceph_deploy.cli][INFO  ] Invoked (2.0.1): /bin/ceph-deploy disk zap ceph001 /dev/vdb
[ceph_deploy.cli][INFO  ] ceph-deploy options:
[ceph_deploy.cli][INFO  ]  username                      : None
[ceph_deploy.cli][INFO  ]  verbose                       : False
[ceph_deploy.cli][INFO  ]  debug                         : False
[ceph_deploy.cli][INFO  ]  overwrite_conf                : False
[ceph_deploy.cli][INFO  ]  subcommand                    : zap
[ceph_deploy.cli][INFO  ]  quiet                         : False
[ceph_deploy.cli][INFO  ]  cd_conf                       : <ceph_deploy.conf.cephdeploy.Conf instance at 0x7fcd19fcd8c0>
[ceph_deploy.cli][INFO  ]  cluster                       : ceph
[ceph_deploy.cli][INFO  ]  host                          : ceph001
[ceph_deploy.cli][INFO  ]  func                          : <function disk at 0x7fcd1a21c8c0>
[ceph_deploy.cli][INFO  ]  ceph_conf                     : None
[ceph_deploy.cli][INFO  ]  default_release               : False
[ceph_deploy.cli][INFO  ]  disk                          : [‘/dev/vdb‘]
[ceph_deploy.osd][DEBUG ] zapping /dev/vdb on ceph001
[ceph001][DEBUG ] connection detected need for sudo

检查命令是否执行成功

[cephadmin@ceph001 cephcluster]$ ceph -s
  cluster:
    id:     69002794-cf45-49fa-8849-faadae48544f
    health: HEALTH_WARN
            no active mgr

  services:
    mon: 3 daemons, quorum ceph001,ceph002,ceph003 (age 26m)
    mgr: no daemons active
    osd: 3 osds: 3 up (since 4m), 3 in (since 4m)
## 我这里时三个节点，每个节点一块数据盘，可见已成功
  data:
    pools:   0 pools, 0 pgs
    objects: 0 objects, 0 B
    usage:   0 B used, 0 B / 0 B avail
    pgs:

[cephadmin@ceph001 cephcluster]$

3.3.3.5 部署mgr

[cephadmin@ceph001 cephcluster]$ ceph-deploy mgr create ceph001 ceph002 ceph003

[cephadmin@ceph001 cephcluster]$ ceph -s
  cluster:
    id:     69002794-cf45-49fa-8849-faadae48544f
    health: HEALTH_OK

  services:
    mon: 3 daemons, quorum ceph001,ceph002,ceph003 (age 30m)
    mgr: ceph002(active, since 83s), standbys: ceph003, ceph001
#mgr 已经部署成功
    osd: 3 osds: 3 up (since 8m), 3 in (since 8m)

  data:
    pools:   0 pools, 0 pgs
    objects: 0 objects, 0 B
    usage:   3.0 GiB used, 147 GiB / 150 GiB avail
    pgs:

[cephadmin@ceph001 cephcluster]$

3.3.3.6 安装mgr-dashboard(三台节点都需要安装)

nautilus 版本需要安装dashboard

sudo yum -y install --downloadonly --downloaddir=/home/cephadmin/software/cephmgrdashboard/ ceph-mgr-dashboard

 sudo yum -y install  ceph-mgr-dashboard

3.3.3.7 开启mgr-dashboard(主节点开启)

[cephadmin@ceph002 ~]$ ceph mgr module enable dashboard
[cephadmin@ceph002 ~]$ ceph dashboard create-self-signed-cert
Self-signed certificate created
[cephadmin@ceph002 ~]$ ceph dashboard set-login-credentials admin admin
******************************************************************
***          WARNING: this command is deprecated.              ***
*** Please use the ac-user-* related commands to manage users. ***
******************************************************************
Username and password updated
[cephadmin@ceph002 ~]$ ceph mgr services
{
    "dashboard": "https://ceph002:8443/"
}
[cephadmin@ceph002 ~]$

linux （centos7）使用ceph-deploy 安装ceph

原文：https://www.cnblogs.com/weiwei2021/p/14060186.html

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linux （centos7） 使用ceph-deploy 安装ceph

一 摘要

二 环境

（一）操作系统版本

（二）ceph 版本

（三）部署规划

三 部署实施

(一) 基础安装

3.1.1 设置主机名称

3.1.2 关闭防火墙

3.1.3 关闭selinux

3.1.4 修改hosts文件

3.1.5 重启虚机

3.1.6 配置时间服务

3.1.6.1 配置时间服务器server 端

3.1.6.1.1 修改配置/etc/chrony.conf

3.1.6.2 配置时间服务器client 端

3.1.7 配置ceph 源

3.1.8 创建部署用户cephadmin

(二) 部署节点基础安装

3.2.1 配置cephadmin用户ssh免密登录

(三) 部署ceph

3.3.1 部署节点安装ceph-deploy

3.3.1.1 下载安装包到本地

3.3.1.2 安装ceph-deploy python-pip

3.3.2 安装ceph包

3.3.2.1 下载安装包到本地

3.3.2.2 安装ceph 包

3.3.3 创建集群

3.3.3.1 安装ceph软件(标题名称要改)

3.3.3.2 集群配置初始化，生成所有密钥

3.3.3.3 配置信息分发到各节点

3.3.3.4 配置osd

3.3.3.5 部署mgr

3.3.3.6 安装mgr-dashboard(三台节点都需要安装)

3.3.3.7 开启mgr-dashboard(主节点开启)

linux （centos7）使用ceph-deploy 安装ceph

一摘要

二环境

三部署实施