File System Supported by Prometheus.

[Sarthak Sahu]

Hello, 

Is Prometheus supports distributed file systems such as csi-cpehrbd?

Does Prometheus support block storage ?

Regards

Sarthak Sahu

[Ben Kochie]

Prometheus requires a local POSIX filesystem like ext4. In Kubernetes you would use a PersistentVolumeClaim.

If you want to do long-term storage in distributed object storage, you can add Thanos to your deployment.

https://thanos.io/

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[Brian Candler]

Although as far as I can see, ext4 over rbd should work. The POSIX semantics come from the ext4, not the underlying block device.