func (vg *VolumeGrowth) grow(topo *topology.Topology, vid storage.VolumeId, repType storage.ReplicationType, servers ...*topology.DataNode) error {
for _, server := range servers {
if err := operation.AllocateVolume(server, vid, repType); err == nil {
vi := storage.VolumeInfo{Id: vid, Size: 0, RepType: repType, Version: storage.CurrentVersion}
server.AddOrUpdateVolume(vi)
topo.RegisterVolumeLayout(&vi, server)
fmt.Println("Created Volume", vid, "on", server)
} else {
fmt.Println("Failed to assign", vid, "to", servers, "error", err)
return errors.New("Failed to assign " + vid.String())
}
}
return nil
}
