1. A method comprising: transmitting, by a client device, an initial write request to a set of servers replicas; receiving, by the client device, in response to the initial write request an indication that a version of storage assignment mappings utilized by the client device is not a most recent version; retrieving the most recent version of the storage assignment mappings; determining, by the client device, one or more growth servers designated to replace a corresponding one or more server replicas of the set of server replicas associated with a storage index; and transmitting, by the client device, a write request associated with the storage index to the set of server replicas and the one or more growth servers.