如何识别持久卷声明中剩余的存储空间? [英] How to identify the storage space left in a persistent volume claim?

问题描述

我在Google Cloud Platform上有一个Kubernetes集群.它具有容量为1GB的永久批量声明.持久卷声明绑定到许多部署.

I have a Kubernetes cluster on Google Cloud Platform. It has a persistent Volume Claim with a Capacity of 1GB. The persistent volume claim is bound to many deployments.

我想确定永久性批量声明中剩余的空间，以便知道1GB是否足以满足我的应用程序的需求.

I would like to identify the space left in the persistent Volume Claim in order to know if 1GB is sufficient for my application.

我已经使用了命令"kubectl get pv"，但这没有显示剩余的存储空间.

I have used the command "kubectl get pv" but this does not show the storage space left.

推荐答案

如果有运行中的吊舱，其PVC中装有PV，

If there's a running pod with mounted PV from the PVC,

kubectl -n <namespace> exec <pod-name> df

...将列出所有文件系统，包括已安装的卷及其可用磁盘空间.

...will list all file systems, including the mounted volumes, and their free disk space.

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