ubuntu中怎么部署ceph集群

本篇文章为大家展示了ubuntu中怎么部署ceph集群，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。

配置apt源

# wget -q -O- 'https://download.ceph.com/keys/release.asc' | sudo apt-key add -# echo deb https://download.ceph.com/debian-jewel/ $(lsb_release -sc) main | sudo tee /etc/apt/sources.list.d/ceph.list

安装ceph-deploy，一台机器即可

# apt-get install ceph-deploy

安装ceph软件，三台机器都需要安装

# apt-get install ceph

创建集群

# mkdir /opt/ceph# cd /opt/ceph# ceph-deploy new k8s1 k8s2 k8s3# echo mon_pg_warn_max_per_osd = 1000 >> ceph.conf# echo cluster_network=172.16.13.0/24 >> ceph.conf  # echo max open files = 131072  >> ceph.conf # echo osd_scrub_begin_hour=1 >> ceph.conf # echo osd_scrub_end_hour=7 >> ceph.conf # echo "osd max object name len = 256" >> ceph.conf#  echo "osd max object namespace len = 64" >> ceph.conf

初始化集群

# ceph-deploy mon create-initial

拷贝秘钥

# cp ceph.client.admin.keyring /etc/ceph/

添加osd

由于没有裸盘，所以直接指定目录作为osd，尝试了下新版luminous，ceph-deploy里似乎不支持指定目录作为osd

# mkdir -p /data/ceph/data# chown ceph:ceph /data/ceph/data/# ceph-deploy osd prepare k8s2:/data/ceph/data # ceph-deploy osd activate k8s2:/data/ceph/data

三个节点每个节点一个osd

# ceph -s    cluster 6d8963e9-9585-4679-8dac-17b60f2d0c30     health HEALTH_OK     monmap e1: 3 mons at {tj006=172.16.41.25:6789/0,tj007=172.16.41.26:6789/0,tj008=172.16.41.27:6789/0}            election epoch 12, quorum 0,1,2 tj006,tj007,tj008     osdmap e14: 3 osds: 3 up, 3 in            flags sortbitwise,require_jewel_osds      pgmap v29: 64 pgs, 1 pools, 0 bytes data, 0 objects            7811 GB used, 39739 GB / 50064 GB avail                  64 active+clean

添加mds

# ceph-deploy mds create k8s1# ceph osd pool create k8s_data 32# ceph osd pool create k8s_metadata 32# ceph fs new ceph_k8s k8s_metadata k8s_data# mkdir /data/ceph/cephfs# mount -t ceph 172.16.13.160:6789:/ /data/ceph/cephfs -o name=admin,secretfile=/etc/ceph/admin.secret

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