ceph docker mysql_使用docker 模式用ceph/daemon部署 ceph

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#ceph docker mysql

该博客介绍了如何使用Docker来部署Ceph集群。首先，通过`docker pull ceph/daemon`获取Ceph镜像，然后在指定硬盘上创建文件系统并挂载。接着，部署监控节点（mon）和存储节点（osd），通过`docker run`命令配置相关环境变量和数据卷。在其他节点上复制配置文件和数据，清理不必要的目录，并创建新的osd。最后，通过`ceph -s`检查集群状态，确认健康运行。

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获取ceph imagedocker pull ceph/daemon

准备硬盘mkfs.xfs /dev/vdb1

mkdir -p /opt/ceph/osd/vdb

mount -o defaults,noatime,nodiratime,noexec,nodev,nobarrier /dev/vdb1 /opt/ceph/osd/vdb

部署mondocker run -d --name mon0 -e MON_NAME=mon0 -e MON_IP=10.111.252.165 -e CEPH_PUBLIC_NETWORK=10.111.252.128/25 -e CEPH_CLUSTER_NETWORK=192.168.10.128/25 --net=host -v /etc/ceph:/etc/ceph -v /var/lib/ceph/:/var/lib/ceph/ -v /etc/localtime:/etc/localtime:ro ceph/daemon mon

编辑ceph.conf[global]

fsid = 41cbd215-1c41-4a30-abd6-c597375f8930

mon initial members = mon0

mon host = 10.111.252.165

auth cluster required = cephx

auth service required = cephx

auth client required = cephx

public network = 10.111.252.128/25

cluster network = 192.168.10.128/25

osd journal size = 100

osd pool default size = 3

osd pool default min size = 2

osd crush update on start = false

[mon]

mon initial members = mon0

mon host = 10.111.252.165

[mon.mon0]

host = mon0

mon addr = 10.111.252.165:6789

[client]

rbd default format = 2

docker restart mon0

部署osddocker run -d --name=osdvdb --net=host -v /etc/ceph:/etc/ceph -v /var/lib/ceph/:/var/lib/ceph/ -v /opt/ceph/osd/vdb:/var/lib/ceph/osd -e OSD_TYPE=directory -v /etc/localtime:/etc/localtime:ro ceph/daemon osd

复制/etc/ceph到其余节点，在其余节点上部署osdscp -r /etc/ceph root@10.111.252.222:/etc/

scp -r /var/lib/ceph root@10.111.252.222:/var/lib/

ssh 10.111.252.222 rm -rf /var/lib/ceph/mon/

ssh 10.111.252.222 rm -rf /var/lib/ceph/osd/

scp -r /etc/ceph root@10.111.252.231:/etc/

scp -r /var/lib/ceph root@10.111.252.231:/var/lib/

ssh 10.111.252.231 rm -rf /var/lib/ceph/mon/

ssh 10.111.252.231 rm -rf /var/lib/ceph/osd/

mkfs.xfs /dev/vdb1

mkdir -p /opt/ceph/osd/vdb

mount -o defaults,noatime,nodiratime,noexec,nodev,nobarrier /dev/vdb1 /opt/ceph/osd/vdb

docker run -d --name=osdvdb --net=host -v /etc/ceph:/etc/ceph -v /var/lib/ceph/:/var/lib/ceph/ -v /opt/ceph/osd/vdb:/var/lib/ceph/osd -e OSD_TYPE=directory -v /etc/localtime:/etc/localtime:ro ceph/daemon osd

查看ceph状态ceph -s

cluster b448ce73-47eb-4a77-9a62-48ac7abc3218

health HEALTH_OK

monmap e1: 1 mons at {mon0=10.111.252.165:6789/0}

election epoch 4, quorum 0 mon0

osdmap e18: 3 osds: 3 up, 3 in

flags sortbitwise

pgmap v49: 64 pgs, 1 pools, 0 bytes data, 0 objects

401 MB used, 149 GB / 149 GB avail

64 active+clean