For changes in mapping/data:
<pre>
+$> rm $ALICE_ROOT/OCDB/MUON/Calib/MappingData/Run0_999999999_v0_s0.root
$> cd $ALICE_ROOT/MUON
-$> rm Calib/MappingData/Run0_999999999_v0_s0.root
$> aliroot
root [0] AliMpCDB::WriteMpData();
</pre>
For changes in mapping/data_run:
<pre>
+$> rm $ALICE_ROOT/OCDB/MUON/Calib/MappingRunData/Run0_999999999_v0_s0.root
$> cd $ALICE_ROOT/MUON
-$> rm Calib/MappingRunData/Run0_999999999_v0_s0.root
$> aliroot
root [0] AliMpCDB::WriteMpRunData();
</pre>