本次演示环境如下：
hostname | IP | roles |
node01.srv.world | 192.168.10.101 | Object Storage;Monitor Daemon;Manager Daemon |
node02.srv.world | 192.168.10.102 | Object Storage |
node03.srv.world | 192.168.10.103 | Object Storage |
dlp.srv.world | 192.168.10.142 | client |
1.在dlp节点安装所需的软件包 |
[root@node01 ~]# ssh dlp "dnf -y install centos-release-ceph-quincy; dnf -y install ceph-fuse"
Last metadata expiration check: 0:16:40 ago on Tue 12 Sep 2023 04:55:35 PM CST.
Dependencies resolved.
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
centos-release-ceph-quincy noarch 1.0-2.el9s extras-common 7.4 k
Transaction Summary
================================================================================
Install 1 Package
Total download size: 7.4 k
Installed size: 915
Downloading Packages:
centos-release-ceph-quincy-1.0-2.el9s.noarch.rp 45 kB/s | 7.4 kB 00:00
--------------------------------------------------------------------------------
Total 578 B/s | 7.4 kB 00:13
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Installing : centos-release-ceph-quincy-1.0-2.el9s.noarch 1/1
Verifying : centos-release-ceph-quincy-1.0-2.el9s.noarch 1/1
Installed:
centos-release-ceph-quincy-1.0-2.el9s.noarch
Complete!
CentOS-9-stream - Ceph Quincy 280 kB/s | 526 kB 00:01
Last metadata expiration check: 0:00:01 ago on Tue 12 Sep 2023 05:12:31 PM CST.
Dependencies resolved.
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
ceph-fuse x86_64 2:18.2.0-1.el9s centos-ceph-reef 815 k
Installing dependencies:
fuse3-libs x86_64 3.10.2-6.el9 appstream 91 k
Transaction Summary
================================================================================
Install 2 Packages
Total download size: 906 k
Installed size: 2.6 M
Downloading Packages:
(1/2): fuse3-libs-3.10.2-6.el9.x86_64.rpm 9.0 kB/s | 91 kB 00:10
(2/2): ceph-fuse-18.2.0-1.el9s.x86_64.rpm 81 kB/s | 815 kB 00:10
--------------------------------------------------------------------------------
Total 39 kB/s | 906 kB 00:23
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing : 1/1
Installing : fuse3-libs-3.10.2-6.el9.x86_64 1/2
Installing : ceph-fuse-2:18.2.0-1.el9s.x86_64 2/2
Running scriptlet: ceph-fuse-2:18.2.0-1.el9s.x86_64 2/2
Verifying : ceph-fuse-2:18.2.0-1.el9s.x86_64 1/2
Verifying : fuse3-libs-3.10.2-6.el9.x86_64 2/2
Installed:
ceph-fuse-2:18.2.0-1.el9s.x86_64 fuse3-libs-3.10.2-6.el9.x86_64
Complete!
[root@node01 ~]#2.在node01节点配置Metadata Server a.创建所需的目录，并生成相应的秘钥，设置相应的权限，并启动服务
[root@node01 ~]# mkdir -p /var/lib/ceph/mds/ceph-node01
[root@node01 ~]# ceph-authtool --create-keyring /var/lib/ceph/mds/ceph-node01/keyring --gen-key -n mds.node01
creating /var/lib/ceph/mds/ceph-node01/keyring
[root@node01 ~]# chown -R ceph:ceph /var/lib/ceph/mds/ceph-node01
[root@node01 ~]# ceph auth add mds.node01 osd "allow rwx" mds "allow" mon "allow profile mds" -i /var/lib/ceph/mds/ceph-node01/keyring
added key for mds.node01
[root@node01 ~]# systemctl enable --now ceph-mds@node01
Created symlink /etc/systemd/system/ceph-mds.target.wants/[email protected] → /usr/lib/systemd/system/[email protected].
[root@node01 ~]# systemctl status [email protected]
● [email protected] - Ceph metadata server daemon
Loaded: loaded (/usr/lib/systemd/system/[email protected]; enabled; preset: disabled)
Active: active (running) since Tue 2023-09-12 17:21:18 CST; 1min 8s ago
Main PID: 15670 (ceph-mds)
Tasks: 16
Memory: 15.1M
CPU: 213ms
CGroup: /system.slice/system-ceph\x2dmds.slice/[email protected]
└─15670 /usr/bin/ceph-mds -f --cluster ceph --id node01 --setuser ceph --setgroup ceph
Sep 12 17:21:18 node01.srv.world systemd[1]: Started Ceph metadata server daemon.
Sep 12 17:21:19 node01.srv.world ceph-mds[15670]: starting mds.node01 at
[root@node01 ~]#3.在node01节点创建data与metadata存储池
[root@node01 ~]# ceph osd pool create cephfs_data 32
pool 'cephfs_data' created
[root@node01 ~]# ceph osd pool create cephfs_metadata 32
pool 'cephfs_metadata' created
[root@node01 ~]# ceph fs new cephfs cephfs_metadata cephfs_data
new fs with metadata pool 4 and data pool 3
[root@node01 ~]# ceph fs ls
name: cephfs, metadata pool: cephfs_metadata, data pools: [cephfs_data ]
[root@node01 ~]# ceph mds stat
cephfs:1 {0=node01=up:active}
[root@node01 ~]# ceph fs status cephfs
cephfs - 0 clients
======
RANK STATE MDS ACTIVITY DNS INOS DIRS CAPS
0 active node01 Reqs: 0 /s 10 13 12 0
POOL TYPE USED AVAIL
cephfs_metadata metadata 96.0k 18.9G
cephfs_data data 0 18.9G
MDS version: ceph version 18.2.0 (5dd24139a1eada541a3bc16b6941c5dde975e26d) reef (stable)
[root@node01 ~]#4.在dlp节点挂载存储
[root@dlp ~]# ceph-authtool -p /etc/ceph/ceph.client.admin.keyring > admin.key
[root@dlp ~]# chmod 600 admin.key
[root@dlp ~]# mount -t ceph node01.srv.world:6789:/ /mnt -o name=admin,secretfile=admin.key
[root@dlp ~]# df -hT
Filesystem Type Size Used Avail Use% Mounted on
devtmpfs devtmpfs 4.0M 0 4.0M 0% /dev
tmpfs tmpfs 467M 0 467M 0% /dev/shm
tmpfs tmpfs 187M 3.9M 183M 3% /run
/dev/mapper/cs-root xfs 17G 1.5G 16G 9% /
/dev/nvme0n1p1 xfs 960M 197M 764M 21% /boot
tmpfs tmpfs 94M 0 94M 0% /run/user/0
192.168.10.101:6789:/ ceph 19G 0 19G 0% /mnt
[root@dlp ~]#在node01，我们可以看到有一个客户端使用Ceph
[root@node01 ~]# ceph fs status cephfs
cephfs - 1 clients
======
RANK STATE MDS ACTIVITY DNS INOS DIRS CAPS
0 active node01 Reqs: 0 /s 11 14 12 2
POOL TYPE USED AVAIL
cephfs_metadata metadata 31.7M 17.7G
cephfs_data data 3072M 17.7G
MDS version: ceph version 18.2.0 (5dd24139a1eada541a3bc16b6941c5dde975e26d) reef (stable)5.在node01执行操作删除创建的存储池 a.停止MDS服务
[root@node01 ~]# systemctl stop ceph-mds@node01
[root@node01 ~]# systemctl status ceph-mds@node01
○ [email protected] - Ceph metadata server daemon
Loaded: loaded (/usr/lib/systemd/system/[email protected]; enabled; preset: disabled)
Active: inactive (dead) since Tue 2023-09-12 19:18:45 CST; 9s ago
Duration: 1h 57min 21.264s
Process: 15670 ExecStart=/usr/bin/ceph-mds -f --cluster ${CLUSTER} --id node01 --setuser ceph --setgroup ceph (code=exited, status=0/SUCCESS)
Main PID: 15670 (code=exited, status=0/SUCCESS)
CPU: 43.374s
Sep 12 17:21:18 node01.srv.world systemd[1]: Started Ceph metadata server daemon.
Sep 12 17:21:19 node01.srv.world ceph-mds[15670]: starting mds.node01 at
Sep 12 19:18:40 node01.srv.world systemd[1]: Stopping Ceph metadata server daemon...
Sep 12 19:18:40 node01.srv.world ceph-mds[15670]: 2023-09-12T19:18:40.206+0800 7fa9e5698640 -1 received signal: Terminated from /usr/lib/systemd/systemd -->
Sep 12 19:18:40 node01.srv.world ceph-mds[15670]: 2023-09-12T19:18:40.206+0800 7fa9e5698640 -1 mds.node01 *** got signal Terminated ***
Sep 12 19:18:45 node01.srv.world systemd[1]: [email protected]: Deactivated successfully.
Sep 12 19:18:45 node01.srv.world systemd[1]: Stopped Ceph metadata server daemon.
Sep 12 19:18:45 node01.srv.world systemd[1]: [email protected]: Consumed 43.374s CPU time.b.删除CephFS
[root@node01 ~]# ceph fs rm cephfs --yes-i-really-mean-itc.删除存储池
[root@node01 ~]# ceph osd pool delete cephfs_data cephfs_data --yes-i-really-really-mean-it
pool 'cephfs_data' removed
[root@node01 ~]# ceph osd pool delete cephfs_metadata cephfs_metadata --yes-i-really-really-mean-it
pool 'cephfs_metadata' removed下一章节将介绍Ceph Object Gateway配置，欢迎持续关注！
标签：ceph,node01,文件系统,Ceph,使用,mds,cephfs,root,metadata From： https://blog.51cto.com/capfzgs/7447865