Hello, I just have some small questions about Ceph Deployment models and if this would work for us. Currently the first question would be, is it possible to have a ceph single node setup, where everything is on one node? Our Application, Ceph's object storage and a database? We focus on this deployment model for our very small customers, who only have like 20 members that use our application, so the load wouldn't be very high. And the next question would be, is it possible to extend the Ceph single node to 3 nodes later, if they need more availability?
Also we always want to use Shared Nothing Machines, so every service would be on one machine, is this Okai for Ceph, or does Ceph really need a lot of CPU/Memory/Disk Speed? Currently we make an archiving software for small customers and we want to move things on the file system on a object storage. Currently we only have customers that needs 1 machine or 3 machines. But everything should work as fine on more.
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