阿里云上实战openshift3-阿里云NAS存储配置
1. 阿里云NAS存储初始化
see:
https://help.aliyun.com/document_detail/27527.html?spm=a2c4g.11186623.4.8.wWNbbz
https://help.aliyun.com/document_detail/63956.html?spm=a2c4g.11186623.6.608.VWixXS
1)阿里云管理控制台上为NAS创建文件系统、添加挂载点
【注】需在NAS的权限组上增加规则，读写权限：读写，用户权限：限制所有用户(all_squash)，否则非root用户访问NAS下的子目录和文件只读不可写、写操作会出现Promission Denied！
2)ECS(每个node节点)上安装nfs
yum install nfs-utils
3)NAS上创建要mount为PV的目录
例如：/mariadb,/admindb,/redis,/usericons
#任选一ECS上,本地创建目录:
mkdir /mnt/ali-nas -p
chown nfsnobody:nfsnobody /mnt/ali-nas
#mount
mount -t nfs -o vers=4.0 <测试NAS挂载点地址>:/ /mnt/ali-nas
#NAS盘上创建目录
mkdir /mnt/ali-nas/mariadb
mkdir /mnt/ali-nas/admindb
mkdir /mnt/ali-nas/redis
mkdir /mnt/ali-nas/usericons
chown nfsnobody:nfsnobody /mnt/ali-nas -R
4)ECS(node节点)上查看mount
mount -l
5)取消mount
umount -lf /mnt/ali-nas
【注】阿里NAS的umount需加-lf，否则很可能会出现device is busy！
2.创建PV
1)本地电脑创建pv-mariadb.yaml
apiVersion:v1
kind:PersistentVolume
metadata:
name: pv-mariadb
spec:
capacity:
storage: 10Gi
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Retain
nfs:
path: /mariadb
server: <阿里nas挂载点地址>
2)本地电脑创建pv-admindb.yaml
apiVersion:v1
kind:PersistentVolume
metadata:
name: pv-admindb
spec:
capacity:
storage: 2Gi
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Retain
nfs:
path: /admindb
server: <阿里nas挂载点地址>
3)本地电脑创建pv-redis.yaml
apiVersion:v1
kind:PersistentVolume
metadata:
name: pv-redis
spec:
capacity:
storage: 2Gi
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Retain
nfs:
path: /redis
server: <阿里nas挂载点地址>
4)本地电脑创建pv-usericons.yaml
apiVersion:v1
kind:PersistentVolume
metadata:
name: pv-usericons
spec:
capacity:
storage: 10Gi
accessModes:
- ReadWriteMany
persistentVolumeReclaimPolicy: Retain
nfs:
path: /usericons
server: <阿里nas挂载点地址>
5)管理员用户登录OpenShift Web
Console, 导入以上yaml，创建PV
6)远程登录master节点
#修改pv label
oc label pv pv-mariadb data=mariadb
oc label pv pv-admindb data=admindb
oc label pv pv-redis data=redis
oc label pv pv-usericons file=usericons
#查看pv
oc get pv --show-labels
