cluster

[segator]

amazing work!

I think could be very interesting to add a clustered storage system with buttervolume

to sync volumes every X minutes between nodes of a cluster.
you can control source/destination of the sync checking which host have the vol mounted and control the replication factor(x2, x3)
currently there are solutions for clustered storage that have same features, but with buttervolume you can have async replication that is the only way when you want to replicate in a high latency scenario.

[segator]

Posible Actions to do:
-When docker ask for mount volume, download latest version of the volume if isn't downloaded yet
-When docker ask for umount volume, snapshot and replicate the volume to the other hosts
-Meanwhile a volume is mounted, every X minutes, check for changes, snapshot and upload to other hosts

[ccomb]

Hi, thanks for your comment and sorry to answer so late.
What you're talking about is exactly what we did for a customer, a small cluster with async replication of nodes. https://github.com/mlfmonde/cluster
We currently don't manage the replication factor but that would be an interesting improvement. What you're suggesting in your second comment is also a very good idea