How to use Digital Ocean Volumes as persistent storage for the pod to share the storage across multiple pods?

I want to use Digital Ocean Volume to store the data which is shared across the pods on a same cluster. Multiple pods will be reading and writing from the same volume at a same time.

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DigitalOcean does not support parallel read/write modes unfortunately:


accessModes must be set to ReadWriteOnce. The other parameters, ReadOnlyMany and ReadWriteMany, are not supported by DigitalOcean volumes. See the Kubernetes documentation for more about …

In theory if all your pods run on the same node, they should be able to read/write together, but then you cannot scale out with multiple nodes. Also, you won’t be able to do a 0-downtime node replacement, since the second node cannot attach until the first one is down.

I am in need for a solution to this problem, but haven’t investigated yet. I suspect the solution to be in setting up a custom network fileserver (like nfs, or gluster) on kubernetes. It seems that kubernetes supports NFS as a volume option as well, so then you don’t need to modify container images to set up the mounting.


When you need to write and access persistent data in a Kubernetes cluster, you can create and access DigitalOcean Block Storage Volumes by creating a PersistentVolumeClaim (PVC) as part of your deployment. I would recommend following the steps from the official DigitalOcean documentation on how to add Block Storage Volumes to a Kubernetes Cluster:

Hope that this helps! Regards, Bobby