poolID = hashKey(z.distributionAlgo, objects[0], len(z.serverPools), z.deploymentID)
	}
	return z.serverPools[poolID].NewNSLock(bucket, objects...)
}

// GetDisksID will return disks by their ID.
func (z *erasureServerPools) GetDisksID(ids ...string) []StorageAPI {
	idMap := make(map[string]struct{})
	for _, id := range ids {
		idMap[id] = struct{}{}
	}
	res := make([]StorageAPI, 0, len(idMap))