o = msgp.AppendMapHeader(o, zb0001Len)
	if zb0001Len == 0 {
		return
	}
	// string "ID"
	o = append(o, 0xa2, 0x49, 0x44)
	o = msgp.AppendBytes(o, (z.VersionID)[:])
	// string "DDir"
	o = append(o, 0xa4, 0x44, 0x44, 0x69, 0x72)
	o = msgp.AppendBytes(o, (z.DataDir)[:])
	// string "EcAlgo"
	o = append(o, 0xa6, 0x45, 0x63, 0x41, 0x6c, 0x67, 0x6f)
	o = msgp.AppendUint8(o, uint8(z.ErasureAlgorithm))

		var err error

		// Add header
		tmp, err = ver.header.MarshalMsg(tmp[:0])
		if err != nil {
			return nil, err
		}
		dst = msgp.AppendBytes(dst, tmp)

		// Add full meta
		dst = msgp.AppendBytes(dst, ver.meta)
	}

	// Update size...
	binary.BigEndian.PutUint32(dst[dataOffset-4:dataOffset], uint32(len(dst)-dataOffset))

	o = msgp.AppendTime(o, z.SuccessorModTime)
	// string "Checksum"
	o = append(o, 0xa8, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d)
	o = msgp.AppendBytes(o, z.Checksum)
	// string "Inlined"
	o = append(o, 0xa7, 0x49, 0x6e, 0x6c, 0x69, 0x6e, 0x65, 0x64)
	o = msgp.AppendBool(o, z.Inlined)
	// string "DataBlocks"