They are not efficient; they have a one-time static hash to create a cluster. After that, it is all duct tape and glue. Want to expand? Add another cluster (pool) and then look for the cluster that contains the object. They don't know which cluster has the object, and performance does not scale as well with additional clusters. Want to decommission a single node, drain the cluster. They refer to multiple pools as a single cluster, but it is essentially a set of static hashes that lack the intelligence to locate objects. Got the initial EC configuration not quite right.. sorry need to redo the entire cluster.

MinIO is a good fit if you want a small cluster that doesn't require day 2 operational complexity, as you only store a few TBs.

I have not looked into them recently, but I doubt the core has changed. Being VC-funded and looking for an exit makes them overinvest in marketing and story telling.