• 基于Gluster分布式实现docker存储卷


    1.安装配置glusterfs
    基础配置:
    centos7 关闭firewalld/selinux
    配置/etc/hosts和hostname

    1 [root@glus2 ~]# cat /etc/hosts
    2 127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
    3 ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
    4 192.168.138.130 glus1
    5 192.168.138.187 glus2
    6 192.168.138.188 glus3

    安装glusterfs

    1  yum -y install centos-release-gluster
    2  yum --enable repo=centos-gluster*-test install glusterfs-server
    3  yum --enablerepo=centos-gluster*-test install glusterfs-server
    4  glusterfs -V
    5  systemctl enable glusterd
    6  systemctl start glusterd

    准备存储盘

     1  fdisk /dev/sdb
     2  mkfs.xfs -i size=512 /dev/sdb1
     3  mkdir /gluster
     4  echo '/dev/sdb1 /gluster/ xfs defaults 1 2' >> /etc/fstab
     5  mount -a && mount
     6  在glus1
     7  gluster peer probe glus2
     8  gluster peer probe glus2
     9  systemctl status glusterd
    10  gluster peer status
    11  mkdir /gluster/docker

    glusterfs 配置券

    1 gluster volume create docker replica 3 glus1:/gluster/docker glus2:/gluster/docker glus3:/gluster/docker
    2 gluster volume start docker
    3 gluster volume set docker nfs.disable off
    4 mount -t gluterfs glus1:/docker /mnt/mount -t glusterfs glus1:/docker /mnt/

    测试 glusterfs 略

    安装docker

    1 sudo yum remove docker  docker-common docker-selinux docker-engine
    2 sudo yum install -y yum-utils device-mapper-persistent-data lvm2
    3 sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
    4 yum list docker-ce --showduplicates | sort -r
    5 yum -y install docker-ce.x86_64-17.03.0.ce
    6 sudo yum install docker-ce-17.12.0.ce
    7 systemctl start docker
    8 systemctl enable docker

    安装插件、配置测试

     1 docker plugin install sapk/plugin-gluster
     2 systemctl start docker
     3 docker plugin ls
     4 docker volume create --driver sapk/plugin-glusterv:1.0.7-3 --opt voluri="glus1,glus2,glus3:docker" --name houpj
     5 docker volume ls
     6 docker pull ubuntu
     7 [root@glus4 ~]# docker volume create --driver sapk/plugin-gluster:v1.0.7-3 --opt voluri="glus1,glus2.glus3:docker" --name houpj
     8 [root@glus4 ~]# docker volume ls
     9 DRIVER                         VOLUME NAME
    10 sapk/plugin-gluster:v1.0.7-3   fuck
    11 sapk/plugin-gluster:latest     houpj
    12 [root@glus4 ~]# docker run -v houpj:/mnt --rm -ti ubuntu
    13 root@4b73330ec84b:/# ls
    14 bin  boot  dev  etc  home  lib  lib64  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var
    15 root@4b73330ec84b:/mnt# echo 123 >tttt
    16 [root@glus2 ~]# cat /gluster/docker/tttt 
    17 123
    18 排查sapk/plugin-gluster一定要v1.0.7-3,latest 有bug 官方解释:https://github.com/sapk/docker-volume-gluster/issues/43

    https://github.com/calavera/docker-volume-glusterfs 已经不在维护

    参考: https://github.com/sapk/docker-volume-gluster 

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  • 原文地址:https://www.cnblogs.com/Honeycomb/p/10145547.html
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