很多朋友想学ceph,但是开始ceph部署就让初学者举步为艰,ceph部署时由于国外源的问题(具体大家应该懂得),下载和安装软件便会卡住,停止不前。即使配置搭建了国内源后,执行ceph-deploy install 时又跑去了国外的源下载,很是无语呀!!!这样导致我们停下了学习ceph的脚步,所以笔者就在这里编写了这篇文章,只要掌握了通过国内源找到并下载对应正确的ceph版本rpm包到本地,部署ceph简直小意思!
一、部署准备:
准备5台机器(linux系统为centos7.6版本),当然也可以至少3台机器并充当部署节点和客户端,可以与ceph节点共用:
1台部署节点(配一块硬盘,运行ceph-depoly)
3台ceph节点(配两块硬盘,第一块为系统盘并运行mon,第二块作为osd数据盘)
1台客户端(可以使用ceph提供的文件系统,块存储,对象存储)
(1)所有ceph集群节点(包括客户端)设置静态域名解析;
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127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
172.16.254.163 dlp
172.16.254.64 node1
172.16.254.65 node2
172.16.254.66 node3
172.16.254.63 controller
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(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:
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useradd cent && echo
"123"
| passwd --stdin cent
echo -e
'Defaults:cent !requiretty\ncent ALL = (root) NOPASSWD:ALL'
| tee /etc/sudoers.d/ceph
chmod 440 /etc/sudoers.d/ceph
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(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
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ceph@dlp15:17:01~
#ssh-keygen
ceph@dlp15:17:01~
#ssh-copy-id con1
ceph@dlp15:17:01~
#ssh-copy-id con2
ceph@dlp15:17:01~
#ssh-copy-id con3
ceph@dlp15:17:01~
#ssh-copy-id controller
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(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:vi~/.ssh/config# create new ( define all nodes and users )
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Host dlp
Hostname dlp
User cent
Host node1
Hostname node1
User cent
Host node2
Hostname node2
User cent
Host node3
Hostname node3
User cent
chmod
600 ~/.
ssh
/config
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二、所有节点配置国内ceph源:
(1)all-node(包括客户端)在/etc/yum.repos.d/创建 ceph-yunwei.repo
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[ceph-yunwei]
name=ceph-yunwei-install
baseurl=https:
//mirrors.aliyun.com/centos/7.6.1810/storage/x86_64/ceph-jewel/
enable=1
gpgcheck=0
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或者也可以将如上内容添加到现有的 CentOS-Base.repo 中。
(2)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
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ceph-10.2.11-0.el7.x86_64.rpm
ceph-
base
-10.2.11-0.el7.x86_64.rpm
ceph-common-10.2.11-0.el7.x86_64.rpm
ceph-deploy-1.5.39-0.noarch.rpm
ceph-devel-compat-10.2.11-0.el7.x86_64.rpm
cephfs-java-10.2.11-0.el7.x86_64.rpm
ceph-fuse-10.2.11-0.el7.x86_64.rpm
ceph-libs-compat-10.2.11-0.el7.x86_64.rpm
ceph-mds-10.2.11-0.el7.x86_64.rpm
ceph-mon-10.2.11-0.el7.x86_64.rpm
ceph-osd-10.2.11-0.el7.x86_64.rpm
ceph-radosgw-10.2.11-0.el7.x86_64.rpm
ceph-resource-agents-10.2.11-0.el7.x86_64.rpm
ceph-selinux-10.2.11-0.el7.x86_64.rpm
ceph-test-10.2.11-0.el7.x86_64.rpm
libcephfs1-10.2.11-0.el7.x86_64.rpm
libcephfs1-devel-10.2.11-0.el7.x86_64.rpm
libcephfs_jni1-10.2.11-0.el7.x86_64.rpm
libcephfs_jni1-devel-10.2.11-0.el7.x86_64.rpm
librados2-10.2.11-0.el7.x86_64.rpm
librados2-devel-10.2.11-0.el7.x86_64.rpm
libradosstriper1-10.2.11-0.el7.x86_64.rpm
libradosstriper1-devel-10.2.11-0.el7.x86_64.rpm
librbd1-10.2.11-0.el7.x86_64.rpm
librbd1-devel-10.2.11-0.el7.x86_64.rpm
librgw2-10.2.11-0.el7.x86_64.rpm
librgw2-devel-10.2.11-0.el7.x86_64.rpm
python-ceph-compat-10.2.11-0.el7.x86_64.rpm
python-cephfs-10.2.11-0.el7.x86_64.rpm
python-rados-10.2.11-0.el7.x86_64.rpm
python-rbd-10.2.11-0.el7.x86_64.rpm
rbd-fuse-10.2.11-0.el7.x86_64.rpm
rbd-mirror-10.2.11-0.el7.x86_64.rpm
rbd-nbd-10.2.11-0.el7.x86_64.rpm
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(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
(4)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:
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yum localinstall -y ./*
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(或者sudo yum install ceph-deploy)
创建ceph工作目录
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mkdir ceph && cd ceph
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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!
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!
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:
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
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ceph-deploy
new
node1 node2 node3
vim ./ceph.conf
添加:osd pool
default
size = 2
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可选参数如下:
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public_network = 192.168.254.0/24
cluster_network = 172.16.254.0/24
osd_pool_default_size = 3
osd_pool_default_min_size = 1
osd_pool_default_pg_num = 8
osd_pool_default_pgp_num = 8
osd_crush_chooseleaf_type = 1
[mon]
mon_clock_drift_allowed = 0.5
[osd]
osd_mkfs_type = xfs
osd_mkfs_options_xfs = -f
filestore_max_sync_interval = 5
filestore_min_sync_interval = 0.1
filestore_fd_cache_size = 655350
filestore_omap_header_cache_size = 655350
filestore_fd_cache_random =
true
osd op threads = 8
osd disk threads = 4
filestore op threads = 8
max_open_files = 655350
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(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:
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root@rab116:13:59~/cephjrpm#ls
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
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
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
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
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
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
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
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
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
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
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
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所有节点安装上述软件包(包括客户端):
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yum localinstall ./* -y
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(7)在部署节点执行,所有节点安装ceph软件
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ceph-deploy install dlp node1 node2 node3
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(8)在部署节点初始化集群(cent用户下执行):
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ceph-deploy mon create-initial
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(9)在osd节点prepare Object Storage Daemon :
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mkdir /data && chown ceph.ceph /data
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(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:
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root@con116:45:22/#fdisk /dev/vdb
root@con116:45:22/#lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 252:0 0 40G 0 disk
├─vda1 252:1 0 512M 0 part /boot
└─vda2 252:2 0 39.5G 0 part
├─cl-root 253:0 0 35.5G 0 lvm /
└─cl-swap 253:1 0 4G 0 lvm [SWAP]
vdb 252:16 0 10G 0 disk
└─vdb1 252:17 0 10G 0 part
root@rab116:54:35/#mkfs -t xfs /dev/vdb1
root@rab116:54:50/#mount /dev/vdb1 /data/
root@rab116:56:39/#lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
vda 252:0 0 40G 0 disk
├─vda1 252:1 0 512M 0 part /boot
└─vda2 252:2 0 39.5G 0 part
├─cl-root 253:0 0 35.5G 0 lvm /
└─cl-swap 253:1 0 4G 0 lvm [SWAP]
vdb 252:16 0 10G 0 disk
└─vdb1 252:17 0 10G 0 part /data
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(11)在/data/下面创建osd挂载目录:
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mkdir /data/osd
chown -R ceph.ceph /data/
chmod 750 /data/osd/
ln -s /data/osd /
var
/lib/ceph
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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:
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ceph-deploy osd prepare node1:/
var
/lib/ceph/osd node2:/
var
/lib/ceph/osd node3:/
var
/lib/ceph/osd
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(13)激活Object Storage Daemon:
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ceph-deploy osd activate node1:/
var
/lib/ceph/osd node2:/
var
/lib/ceph/osd node3:/
var
/lib/ceph/osd
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(14)在部署节点transfer config files
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ceph-deploy admin dlp node1 node2 node3
sudo chmod 644 /etc/ceph/ceph.client.admin.keyring
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(15)在ceph集群中任意节点检测:
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ceph -s
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三、客户端设置:
(1)客户端也要有cent用户:
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useradd cent && echo
"123"
| passwd --stdin cent
echo-e
'Defaults:cent !requiretty\ncent ALL = (root) NOPASSWD:ALL'
| tee /etc/sudoers.d/ceph
chmod440 /etc/sudoers.d/ceph
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在部署节点执行,安装ceph客户端及设置:
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ceph-deploy install controller
ceph-deploy admin controller
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(2)客户端执行
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sudo chmod 644 /etc/ceph/ceph.client.admin.keyring
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(3)客户端执行,块设备rdb配置:
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创建rbd:rbd create disk01 --size 10G --image-feature layering
列示rbd:rbd ls -l
映射rbd的image map:sudo rbd map disk01
显示map:rbd showmapped
格式化disk01文件系统xfs:sudo mkfs.xfs /dev/rbd0
挂载硬盘:sudo mount /dev/rbd0 /mnt
验证是否挂着成功:df -hT
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(4)File System配置:
在部署节点执行,选择一个node来创建MDS:
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ceph-deploy mds create node1
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以下操作在node1上执行:
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sudo chmod 644 /etc/ceph/ceph.client.admin.keyring
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在MDS节点node1上创建 cephfs_data 和 cephfs_metadata 的 pool
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ceph osd pool create cephfs_data 128
ceph osd pool create cephfs_metadata 128
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开启pool:
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ceph fs
new
cephfs cephfs_metadata cephfs_data
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显示ceph fs:
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ceph fs ls
ceph mds stat
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以下操作在客户端执行,安装ceph-fuse:
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yum -y install ceph-fuse
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获取admin key:
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sshcent@node1
"sudo ceph-authtool -p /etc/ceph/ceph.client.admin.keyring"
> admin.key
chmod600 admin.key
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挂载ceph-fs:
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mount-t ceph node1:6789:/ /mnt -o name=admin,secretfile=admin.key
df-hT
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停止ceph-mds服务:
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systemctl stop ceph-mds@node1
ceph mds fail 0
ceph fs rm cephfs --yes-i-really-mean-it
ceph osd lspools
显示结果:0 rbd,1 cephfs_data,2 cephfs_metadata,
ceph osd pool rm cephfs_metadata cephfs_metadata --yes-i-really-really-mean-it
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四、删除环境:
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ceph-deploy purge dlp node1 node2 node3 controller
ceph-deploy purgedata dlp node1 node2 node3 controller
ceph-deploy forgetkeys
rm -rf ceph*
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