Meta server: continue on chunk server partial inventory synchronization on re-connect. Implement hibernated chunk servers state pruning in order to limit maximum size of all hibernated servers chunk lists; in flight RPCs at the time of disconnect validation against chunk to server map; keeping track of "modified" chunks, i.e. chunks that have been "re-allocated" by advancing chunk version change; implement initial hello resume validation; implement resume hello response buffer size accounting with hello processing scheduling in order to prevent out of io buffers.