You could configure the same external netapp storage backend for each subcloud.

https://docs.starlingx.io/storage/kubernetes/configure-an-external-netapp-deployment-as-the-storage-backend.html

Greg.

From: open infra <openinfradn@gmail.com>
Sent: Tuesday, June 29, 2021 10:55 AM
To: starlingx-discuss@lists.starlingx.io
Subject: [Starlingx-discuss] Shared storage between sub-clouds

[Please note: This e-mail is from an EXTERNAL e-mail address]

Hi,

Is it possible to provision two sub-clouds with a shared storage?

Regards,

Danishka