ceph安装

一、部署准备:
(1)所有ceph集群节点(包括客户端)设置静态域名解析;
[root@zxw9 ~]# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.126.6 zxw6
192.168.126.7 zxw7
192.168.126.8 zxw8
192.168.126.9 zxw9


(2)所有集群节点(包括客户端)创建cent用户,并设置密码,后执行如下命令:
useradd cent && echo "123" | passwd --stdin cent

echo -e 'Defaults:cent !requiretty cent ALL = (root) NOPASSWD:ALL' | tee /etc/sudoers.d/ceph

chmod 440 /etc/sudoers.d/ceph
(3)在部署节点切换为cent用户,设置无密钥登陆各节点包括客户端节点
[root@zxw9 ~]# su - cent
[cent@zxw9 ~]$
[cent@zxw9 ~]$ ssh-keygen
[cent@zxw9 ~]$ ssh-copy-id zxw6
[cent@zxw9 ~]$ ssh-copy-id zxw7
[cent@zxw9 ~]$ ssh-copy-id zxw8

(4)在部署节点切换为cent用户,在cent用户家目录,设置如下文件:
[cent@zxw9 ~]$ vim .ssh/config

Host zxw9
Hostname zxw9
User cent
Host zxw8
Hostname zxw8
User cent
Host zxw7
Hostname zxw7
User cent
Host zxw6
Hostname zxw6
User cent


[cent@zxw9 ~]$ chmod 600 .ssh/config
二、所有节点配置国内ceph源:
vim ceph.repo

[ceph]
name = ceph1
baseurl = https://mirrors.aliyun.com/centos/7.6.1810/storage/x86_64/ceph-jewel/
enable = 1
gpgcheck = 0

 

 


(2)每个机器都下载到国内ceph源中https://mirrors.aliyun.com/centos/7.6.1810/storage/x86_64/ceph-jewel/下载如下所需rpm包。
注意:红色框中为ceph-deploy的rpm,只需要在部署节点安装,下载需要到https://mirrors.aliyun.com/ceph/rpm-jewel/el7/noarch/中找到最新对应的ceph-deploy-xxxxx.noarch.rpm 下载
1 ceph-10.2.11-0.el7.x86_64.rpm
2 ceph-base-10.2.11-0.el7.x86_64.rpm
3 ceph-common-10.2.11-0.el7.x86_64.rpm
4 ceph-deploy-1.5.39-0.noarch.rpm
5 ceph-devel-compat-10.2.11-0.el7.x86_64.rpm
6 cephfs-java-10.2.11-0.el7.x86_64.rpm
7 ceph-fuse-10.2.11-0.el7.x86_64.rpm
8 ceph-libs-compat-10.2.11-0.el7.x86_64.rpm
9 ceph-mds-10.2.11-0.el7.x86_64.rpm
10 ceph-mon-10.2.11-0.el7.x86_64.rpm
11 ceph-osd-10.2.11-0.el7.x86_64.rpm
12 ceph-radosgw-10.2.11-0.el7.x86_64.rpm
13 ceph-resource-agents-10.2.11-0.el7.x86_64.rpm
14 ceph-selinux-10.2.11-0.el7.x86_64.rpm
15 ceph-test-10.2.11-0.el7.x86_64.rpm
16 libcephfs1-10.2.11-0.el7.x86_64.rpm
17 libcephfs1-devel-10.2.11-0.el7.x86_64.rpm
18 libcephfs_jni1-10.2.11-0.el7.x86_64.rpm
19 libcephfs_jni1-devel-10.2.11-0.el7.x86_64.rpm
20 librados2-10.2.11-0.el7.x86_64.rpm
21 librados2-devel-10.2.11-0.el7.x86_64.rpm
22 libradosstriper1-10.2.11-0.el7.x86_64.rpm
23 libradosstriper1-devel-10.2.11-0.el7.x86_64.rpm
24 librbd1-10.2.11-0.el7.x86_64.rpm
25 librbd1-devel-10.2.11-0.el7.x86_64.rpm
26 librgw2-10.2.11-0.el7.x86_64.rpm
27 librgw2-devel-10.2.11-0.el7.x86_64.rpm
28 python-ceph-compat-10.2.11-0.el7.x86_64.rpm
29 python-cephfs-10.2.11-0.el7.x86_64.rpm
30 python-rados-10.2.11-0.el7.x86_64.rpm
31 python-rbd-10.2.11-0.el7.x86_64.rpm
32 rbd-fuse-10.2.11-0.el7.x86_64.rpm
33 rbd-mirror-10.2.11-0.el7.x86_64.rpm
34 rbd-nbd-10.2.11-0.el7.x86_64.rpm
(3)将下载好的rpm拷贝到所有节点,并安装。注意ceph-deploy-xxxxx.noarch.rpm 只有部署节点用到,其他节点不需要,部署节点也需要安装其余的rpm
 [root@zxw9 cephjrpm]# mv ceph-deploy-1.5.39-0.noarch.rpm /root
[root@zxw9 ~]# yum localinstall ceph-deploy-1.5.39-0.noarch.rpm -y
在部署节点(cent用户下执行):安装 ceph-deploy,在root用户下,进入下载好的rpm包目录,执行:

yum localinstall -y ./*
(或者sudo yum install ceph-deploy)
创建ceph工作目录
1 mkdir ceph &&  cd ceph
注意:如遇到如下报错:

 

处理办法1:
可能不能安装成功,报如下问题:将python-distribute remove 再进行安装(或者 yum remove  python-setuptools -y)

 

注意:如果不是安装上述方法添加的rpm,用的是网络源,每个节点必须yum install ceph ceph-radosgw -y
处理办法2:
安装依赖包:python-distribute

root@bushu12:16:46~/cephjrpm# yum install python-distribute -y
已加载插件:fastestmirror, langpacks
Loading mirror speeds from cached hostfile
软件包 python-setuptools 已经被 python2-setuptools 取代,改为尝试安装 python2-setuptools-22.0.5-1.el7.noarch
正在解决依赖关系
--> 正在检查事务
---> 软件包 python2-setuptools.noarch.0.22.0.5-1.el7 将被 安装
--> 解决依赖关系完成
依赖关系解决
=============================================================================================================================
Package 架构 版本 源 大小
=============================================================================================================================
正在安装:
python2-setuptools noarch 22.0.5-1.el7 openstack-ocata 485 k
事务概要
=============================================================================================================================
安装 1 软件包
总下载量:485 k
安装大小:1.8 M
Downloading packages:
python2-setuptools-22.0.5-1.el7.noarch.rpm | 485 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
正在安装 : python2-setuptools-22.0.5-1.el7.noarch 1/1
验证中 : python2-setuptools-22.0.5-1.el7.noarch 1/1
已安装:
python2-setuptools.noarch 0:22.0.5-1.el7
完毕!

再次安装 :ceph-deploy-1.5.39-0.noarch.rpm -y

root@bushu12:22:12~/cephjrpm# yum localinstall ceph-deploy-1.5.39-0.noarch.rpm -y
已加载插件:fastestmirror, langpacks
正在检查 ceph-deploy-1.5.39-0.noarch.rpm: ceph-deploy-1.5.39-0.noarch
ceph-deploy-1.5.39-0.noarch.rpm 将被安装
正在解决依赖关系
--> 正在检查事务
---> 软件包 ceph-deploy.noarch.0.1.5.39-0 将被 安装
--> 正在处理依赖关系 python-distribute,它被软件包 ceph-deploy-1.5.39-0.noarch 需要
Loading mirror speeds from cached hostfile
软件包 python-setuptools-0.9.8-7.el7.noarch 被已安装的 python2-setuptools-22.0.5-1.el7.noarch 取代
--> 解决依赖关系完成
错误:软件包:ceph-deploy-1.5.39-0.noarch (/ceph-deploy-1.5.39-0.noarch)
需要:python-distribute
可用: python-setuptools-0.9.8-7.el7.noarch (base)
python-distribute = 0.9.8-7.el7
您可以尝试添加 --skip-broken 选项来解决该问题
您可以尝试执行:rpm -Va --nofiles --nodigest

删除:python2-setuptools-22.0.5-1.el7.noarch

root@bushu12:25:30~/cephjrpm# yum remove python2-setuptools-22.0.5-1.el7.noarch -y
已加载插件:fastestmirror, langpacks
正在解决依赖关系
--> 正在检查事务
---> 软件包 python2-setuptools.noarch.0.22.0.5-1.el7 将被 删除
--> 解决依赖关系完成
依赖关系解决
=============================================================================================================================
Package 架构 版本 源 大小
=============================================================================================================================
正在删除:
python2-setuptools noarch 22.0.5-1.el7 @openstack-ocata 1.8 M
事务概要
=============================================================================================================================
移除 1 软件包
安装大小:1.8 M
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
正在删除 : python2-setuptools-22.0.5-1.el7.noarch 1/1
验证中 : python2-setuptools-22.0.5-1.el7.noarch 1/1
删除:
python2-setuptools.noarch 0:22.0.5-1.el7
完毕!

因为目前的源用的是上面黄色标记openstack-ocata源,安装版本就成了python2-setuptools-22.0.5-1.el7.noarch,所以修改yum源后,只要保证安装 python-setuptools 版本是 0.9.8-7.el7 就可以通过了,如下把openstack-ocata 源移走或者删除:

root@dlp10:30:02/etc/yum.repos.d# mv rdo-release-yunwei.repo old/
root@dlp10:30:11/etc/yum.repos.d# ls
Centos7-Base-yunwei.repo ceph-yunwei.repo epel-testing.repo old
ceph.repo epel.repo epel-yunwei.repo
root@dlp10:30:11/etc/yum.repos.d#
root@dlp10:30:12/etc/yum.repos.d#
root@dlp10:30:12/etc/yum.repos.d# yum clean all
root@dlp10:30:12/etc/yum.repos.d# yum makecache

 

root@bushu12:25:30~/cephjrpm# yum localinstall ceph-deploy-1.5.39-0.noarch.rpm -y
已加载插件:fastestmirror, langpacks
正在检查 ceph-deploy-1.5.39-0.noarch.rpm: ceph-deploy-1.5.39-0.noarch
ceph-deploy-1.5.39-0.noarch.rpm 将被安装
正在解决依赖关系
--> 正在检查事务
---> 软件包 ceph-deploy.noarch.0.1.5.39-0 将被 安装
--> 正在处理依赖关系 python-distribute,它被软件包 ceph-deploy-1.5.39-0.noarch 需要
Loading mirror speeds from cached hostfile
--> 正在检查事务
---> 软件包 python-setuptools.noarch.0.0.9.8-7.el7 将被 安装
--> 解决依赖关系完成
依赖关系解决
=============================================================================================================================
Package 架构 版本 源 大小
=============================================================================================================================
正在安装:
ceph-deploy noarch 1.5.39-0 /ceph-deploy-1.5.39-0.noarch 1.3 M
为依赖而安装:
python-setuptools noarch 0.9.8-7.el7 base 397 k
事务概要
=============================================================================================================================
安装 1 软件包 (+1 依赖软件包)
总计:1.6 M
总下载量:397 k
安装大小:3.2 M
Downloading packages:
python-setuptools-0.9.8-7.el7.noarch.rpm | 397 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
正在安装 : python-setuptools-0.9.8-7.el7.noarch 1/2
正在安装 : ceph-deploy-1.5.39-0.noarch 2/2
验证中 : ceph-deploy-1.5.39-0.noarch 1/2
验证中 : python-setuptools-0.9.8-7.el7.noarch 2/2
已安装:
ceph-deploy.noarch 0:1.5.39-0
作为依赖被安装:
python-setuptools.noarch 0:0.9.8-7.el7
完毕!

查看版本:
root@bushu12:55:58~/cephjrpm#ceph -v
ceph version 10.2.11 (e4b061b47f07f583c92a050d9e84b1813a35671e)
 
(5)在部署节点(cent用户下执行):配置新集群
1 ceph-deploy new node1 node2 node3
2 vim ./ceph.conf
3 添加
osd_pool_default_size = 1
osd_pool_default_min_size = 1
mon_clock_drift_allowed = 2
mon_clock_drift_warn_backoff = 3
 可选参数如下:
1 public_network = 192.168.254.0/24
2 cluster_network = 172.16.254.0/24
3 osd_pool_default_size = 3
4 osd_pool_default_min_size = 1
5 osd_pool_default_pg_num = 8
6 osd_pool_default_pgp_num = 8
7 osd_crush_chooseleaf_type = 1
8   
9 [mon]
10 mon_clock_drift_allowed = 0.5
11   
12 [osd]
13 osd_mkfs_type = xfs
14 osd_mkfs_options_xfs = -f
15 filestore_max_sync_interval = 5
16 filestore_min_sync_interval = 0.1
17 filestore_fd_cache_size = 655350
18 filestore_omap_header_cache_size = 655350
19 filestore_fd_cache_random = true
20 osd op threads = 8
21 osd disk threads = 4
22 filestore op threads = 8
23 max_open_files = 655350
 
(6)在部署节点执行(cent用户下执行):所有节点安装ceph软件
所有节点有如下软件包:
1 root@rab116:13:59~/cephjrpm#ls
2 ceph-10.2.11-0.el7.x86_64.rpm               ceph-resource-agents-10.2.11-0.el7.x86_64.rpm    librbd1-10.2.11-0.el7.x86_64.rpm
3 ceph-base-10.2.11-0.el7.x86_64.rpm          ceph-selinux-10.2.11-0.el7.x86_64.rpm            librbd1-devel-10.2.11-0.el7.x86_64.rpm
4 ceph-common-10.2.11-0.el7.x86_64.rpm        ceph-test-10.2.11-0.el7.x86_64.rpm               librgw2-10.2.11-0.el7.x86_64.rpm
5 ceph-devel-compat-10.2.11-0.el7.x86_64.rpm  libcephfs1-10.2.11-0.el7.x86_64.rpm              librgw2-devel-10.2.11-0.el7.x86_64.rpm
6 cephfs-java-10.2.11-0.el7.x86_64.rpm        libcephfs1-devel-10.2.11-0.el7.x86_64.rpm        python-ceph-compat-10.2.11-0.el7.x86_64.rpm
7 ceph-fuse-10.2.11-0.el7.x86_64.rpm          libcephfs_jni1-10.2.11-0.el7.x86_64.rpm          python-cephfs-10.2.11-0.el7.x86_64.rpm
8 ceph-libs-compat-10.2.11-0.el7.x86_64.rpm   libcephfs_jni1-devel-10.2.11-0.el7.x86_64.rpm    python-rados-10.2.11-0.el7.x86_64.rpm
9 ceph-mds-10.2.11-0.el7.x86_64.rpm           librados2-10.2.11-0.el7.x86_64.rpm               python-rbd-10.2.11-0.el7.x86_64.rpm
10 ceph-mon-10.2.11-0.el7.x86_64.rpm           librados2-devel-10.2.11-0.el7.x86_64.rpm         rbd-fuse-10.2.11-0.el7.x86_64.rpm
11 ceph-osd-10.2.11-0.el7.x86_64.rpm           libradosstriper1-10.2.11-0.el7.x86_64.rpm        rbd-mirror-10.2.11-0.el7.x86_64.rpm
12 ceph-radosgw-10.2.11-0.el7.x86_64.rpm       libradosstriper1-devel-10.2.11-0.el7.x86_64.rpm  rbd-nbd-10.2.11-0.el7.x86_64.rpm
所有节点安装上述软件包(包括客户端):
1 yum localinstall ./* -y
 
(7)在部署节点执行,所有节点安装ceph软件
1 ceph-deploy install dlp node1 node2 node3
 
(8)在部署节点初始化集群(cent用户下执行):
1 ceph-deploy mon create-initial
 
(9)在osd节点prepare Object Storage Daemon :
1 mkdir /data && chown ceph.ceph /data


 
(10)每个节点将第二块硬盘做分区,并格式化为xfs文件系统挂载到/data:
1 root@con116:45:22/#fdisk /dev/vdb
2   
3 root@con116:45:22/#lsblk
4 NAME        MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
5 vda         252:0    0   40G  0 disk
6 ├─vda1      252:1    0  512M  0 part /boot
7 └─vda2      252:2    0 39.5G  0 part
8  ├─cl-root 253:0    0 35.5G  0 lvm  /
9  └─cl-swap 253:1    0    4G  0 lvm  [SWAP]
10 vdb         252:16   0   10G  0 disk
11 └─vdb1      252:17   0   10G  0 part
12   
13 root@rab116:54:35/#mkfs -t xfs /dev/vdb1
14   
15 root@rab116:54:50/#mount /dev/vdb1 /data/
16   
17 root@rab116:56:39/#lsblk
18 NAME        MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
19 vda         252:0    0   40G  0 disk
20 ├─vda1      252:1    0  512M  0 part /boot
21 └─vda2      252:2    0 39.5G  0 part
22  ├─cl-root 253:0    0 35.5G  0 lvm  /
23  └─cl-swap 253:1    0    4G  0 lvm  [SWAP]
24 vdb         252:16   0   10G  0 disk
25 └─vdb1      252:17   0   10G  0 part /data
 
(11)在/data/下面创建osd挂载目录:
1 mkdir /data/osd
2 chown -R ceph.ceph /data/
3 chmod 750 /data/osd/
4 ln -s /data/osd /var/lib/ceph
注意:准备前先将硬盘做文件系统 xfs,挂载到/var/lib/ceph/osd,并且注意属主和属主为ceph:
列出节点磁盘:ceph-deploy disk list node1
擦净节点磁盘:ceph-deploy disk zap node1:/dev/vdb1
 
(12)准备Object Storage Daemon:
1 ceph-deploy osd prepare node1:/var/lib/ceph/osd node2:/var/lib/ceph/osd node3:/var/lib/ceph/osd
 
(13)激活Object Storage Daemon:
1 ceph-deploy osd activate node1:/var/lib/ceph/osd node2:/var/lib/ceph/osd node3:/var/lib/ceph/osd
 
(14)在部署节点transfer config files
1 ceph-deploy admin dlp node1 node2 node3
2 sudo chmod 644 /etc/ceph/ceph.client.admin.keyring
 
(15)在ceph集群中任意节点检测:
1 ceph -s

 

 


 
三、客户端设置:
(1)客户端也要有cent用户:
1 useradd cent && echo "123" | passwd --stdin cent
2 echo-e 'Defaults:cent !requiretty cent ALL = (root) NOPASSWD:ALL' | tee /etc/sudoers.d/ceph
3 chmod440 /etc/sudoers.d/ceph
在部署节点执行,安装ceph客户端及设置:
1 ceph-deploy install controller
2 ceph-deploy admin controller
 
(2)客户端执行
1 sudo chmod 644 /etc/ceph/ceph.client.admin.keyring
 
(3)客户端执行,块设备rdb配置:
1 创建rbd:rbd create disk01 --size 10G --image-feature layering    删除:rbd rm disk01
2 列示rbd:rbd ls -l
3 映射rbd的image map:sudo rbd map disk01      取消映射:sudo rbd unmap disk01
4 显示map:rbd showmapped
5 格式化disk01文件系统xfs:sudo mkfs.xfs /dev/rbd0
6 挂载硬盘:sudo mount /dev/rbd0 /mnt
7 验证是否挂着成功:df -hT
 
(4)File System配置:
在部署节点执行,选择一个node来创建MDS:
1 ceph-deploy mds create node1
以下操作在node1上执行:
1 sudo chmod 644 /etc/ceph/ceph.client.admin.keyring
在MDS节点node1上创建 cephfs_data 和  cephfs_metadata 的 pool
1 ceph osd pool create cephfs_data 128
2 ceph osd pool create cephfs_metadata 128
开启pool:
1 ceph fs new cephfs cephfs_metadata cephfs_data
显示ceph fs:
1 ceph fs ls
2 ceph mds stat
 
以下操作在客户端执行,安装ceph-fuse:
1 yum -y install ceph-fuse
获取admin key:
1 sshcent@node1"sudo ceph-authtool -p /etc/ceph/ceph.client.admin.keyring" > admin.key
2 chmod600 admin.key
挂载ceph-fs:
1 mount-t ceph node1:6789:/ /mnt -o name=admin,secretfile=admin.key
2 df-hT
 
停止ceph-mds服务:
1 systemctl stop ceph-mds@node1
2 ceph mds fail 0
3 ceph fs rm cephfs --yes-i-really-mean-it
4   
5 ceph osd lspools
6 显示结果:0 rbd,1 cephfs_data,2 cephfs_metadata,
7   
8 ceph osd pool rm cephfs_metadata cephfs_metadata --yes-i-really-really-mean-it
 
四、删除环境:
1 ceph-deploy purge dlp node1 node2 node3 controller
2 ceph-deploy purgedata dlp node1 node2 node3 controller
3 ceph-deploy forgetkeys
4 rm -rf ceph*

原文地址:https://www.cnblogs.com/itzhao/p/11336250.html