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26.7. 指定子路径
使用 volumeMounts.subPath 属性在卷中指定 ,而不是卷的根目录。subPath 允许您在一个 pod 中为多个卷共享一个卷。
subPath
要查看卷中的文件列表,请运行 oc rsh 命令:
$ oc rsh <pod> sh-4.2$ ls /path/to/volume/subpath/mount example_file1 example_file2 example_file3
指定 subPath:
subPath 用法示例
apiVersion: v1
kind: Pod
metadata:
name: my-site
spec:
containers:
- name: mysql
image: mysql
volumeMounts:
- mountPath: /var/lib/mysql
name: site-data
subPath: mysql 1
- name: php
image: php
volumeMounts:
- mountPath: /var/www/html
name: site-data
subPath: html 2
volumes:
- name: site-data
persistentVolumeClaim:
claimName: my-site-data