NAME

MogileFS::ReplicationPolicy::MultipleHosts -- default replication policy

RULES

This policy tries to put files onto devices which are on different hosts. If you only have 1 host and 2 devices on that one host, it obviously can't, so it'll grudgingly put it on the same host. But if you request a minimum replica count of 2 and have 3 devices, it'll put 2 copies on different hosts. If you have 4 devices on 2 hosts, and request a minima replica count of 3, you'll get 3 copies on different devices, but two of those devices will be on the same host, and that's considered acceptable, since you have "multiple hosts" covered at least.

NAME

RULES

SEE ALSO