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Actually there isn't a easy file system which spans 3 computers and scales to thousand and is eay to install. There are only one's which are hard to install, or needing more than 3 computers, etc..

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http://www.ceph.com/

pretty hard to install (ceph-deploy makes it easier) but I've seen some pretty spiffy claims like really easy scaling and provisioning.

I've run a ceph deployment for about 18 months now, it's good. ops-wise it's like anything, a few quirks to learn - but it's very solid. I played around with a couple of puppet modules and ended up on ceph-deploy as well, makes life quite easy.

Out of curiosity, how big is your cluster in terms of nodes, capacity, throughput, etc?

Honest question: how does GlusterFS not meet these goals? I know that it's easy to install, and can easily run on three computers. And I believe it can scale to thousands.

Gluster provides files storage but not block storage.

True enough, thanks!

Actually GlusterFS is close to my needs, however the "easy to install" and actually bad performance on many small files is a road blocker for us. However it runs well, even on just 3 servers.

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