Lists all EFL epochs on a specific volume and indicates whether they are active or stopped (used).
<listEpochs/>
<listEpochs>
<activeEpochs>
<epoch value=" "/>
</activeEpochs>
<usedEpochs>
<epoch value=" "/>
</usedEpochs>
<result value=" ">
<description/>
</result>
</listEpochs>
Specifies an error value or 0 (for no error).
Specifies a text description of the result.