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Does anyone else wish they had doubled the number of drives and used RAID?

10 nodes @ 1 disk per node = 1 drive loss kills the node

It seems you can only buy 'extra' disks for 4 of the 10 nodes, which makes disk redundancy across all nodes impossible.

These boxes were created mainly for development, experimentation, and mobility. More disks would mean more heat, cost, size, weight.

Fair enough. :)

I suppose I just think its neat and a production-ready version would be nice.

Get a few of them and use Ceph. :)

No quite what you want, but it'll do the job.

If only my hobby budget could afford two of them :(

You could run ceph within the cluster of 10. It is certainly enough to run a small cluster

Well - RAID is more or a traditional architecture solution than a cloud one. A cloud storage solution like Ceph provides redundancy across nodes, and I've even read that they strongly discourage the use of RAID. Still, the orange box is a homogenous architecture that can be used flexibly as a training and introduction tool - I've not heard anyone suggest you run it as your production cloud. If you go and spec a real cloud you'll find vendors will provide different configuration for designated storage and compute nodes.

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