server-tools/record_archiver/data/cron.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
  <data noupdate="1">

    <record forcecreate="True" id="ir_cron_record_archiver" model="ir.cron">
      <field name="name">Records Archiver</field>
      <field eval="True" name="active"/>
      <field name="user_id" ref="base.user_root"/>
      <field name="interval_number">1</field>
      <field name="interval_type">months</field>
      <field name="numbercall">-1</field>
      <field eval="False" name="doall"/>
      <field eval="'record.lifespan'" name="model"/>
      <field eval="'_scheduler_archive_records'" name="function"/>
      <field eval="'()'" name="args"/>
    </record>

  </data>
</openerp>