openstack newton 配置glusterfs 作cinder backend
openstack ocata中已经将cinder的glusterfs驱动移除，不再支持glusterfs一、搭建gluster
1、节点准备
hostname
ip
数据盘vdbg0
192.168.10.10
10G
g1
192.168.10.1110G
g2
192.168.10.1210G
2、安装glusterfs
yum install centos-release-gluster310
yum install glusterfs-server 3、创建glusterfs，登录g0
gluster peer probe g1
gluster peer probe g2 4、对vdb分区
parted /dev/vdb -s -- mklabel gpt mkpart glusterfs 1 -1
mkfs.xfs -f /dev/vdb1 5、挂载vdb
mkdir /data
cat /srv/salt/mkfstab.sh
#!/bin/bash
uuid=`blkid /dev/vdb1 | awk -F' ' '{print $2}' | awk -F'=' '{print $2}'| sed s/\"//g`
cat <<EOF>> /etc/fstab
UUID=${uuid} /data xfs defaults 0 0
EOF
salt-ssh -i '*' cp.get_file salt://mkfstab.sh /tmp/mkfstab.sh
salt-ssh -i '*' cmd.run 'chmod +x /tmp/mkfstab.sh'
salt-ssh -i '*' cmd.run '/tmp/mkfstab.sh'
salt-ssh -i '*' cmd.run 'mount -a'
salt-ssh -i '*' cmd.run 'mkdir /data/fs' 6、创建卷
gluster volume create vol0 replica 3 g0:/data/fs g1:/data/fs g2:/data/fs
gluster volume start vol0 7、mount.glusterfs 读取多少配置
以下引用自：
http://einst.blog.51cto.com/9493625/1594668/
gluster 的提供option叫backup-volfile-server和backup-volfile-servers，达到挂载时候可以指定多个读取卷配置服务器。
使用方式如下：
mount -t glusterfs -o backup-volfile-server=gluster2 gluster1:/volume /mnt
mount -t glusterfs -o backup-volfile-servers=gluster2:gluster3:gluster4 gluster1:/volume /mnt 二、配置glusterfs作为cinder后端
1、节点准备
host
newton
使用packstack单节点安装newton
cinder-volume
安装cinder-volume配置glusterfs
2、安装openstack
通过packstack在newton节上安装openstack newton版本，过程略
3、配置glusterfs作为cinder后端
3.1、安装软件包
yum install centos-release-gluster310
yum install openstack-cinder python2-keystonemiddleware python-crypto glusterfs-fuse 3.2、配置cinder
3.2.1、从newton节点上复制cinder.conf到cinder-volume节点，然后进行编辑
...
enabled_backends = glusterfs
...
volume_driver = cinder.volume.drivers.glusterfs.GlusterfsDriver
glusterfs_shares_config = /etc/cinder/glusterfs_shares
volume_backend_name=glusterfs 3.2.2、编辑/etc/cinder/glusterfs_shares
g0:/vol0
g1:/vol0
g2:/vol0 3.2.3、启动cinder-volume节点上的cinder-volume
systemctl enable openstack-cinder-volume
systemctl start openstack-cinder-volume 4、在nova compute节点上安装mount.glusterfs
yum install centos-release-gluster310
yum install glusterfs-fuse 5、配置cinder使用多后端
cinder type-create glusterfs
cinder type-key one set volume_backend_name=glusterfs
cinder extra-specs-list
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