ignore_invalid_pages

doc html

<p>
        If set to <code class="literal">off</code> (the default), detection of
        WAL records having references to invalid pages during
        recovery causes <span class="productname">PostgreSQL</span> to
        raise a PANIC-level error, aborting the recovery. Setting
        <code class="varname">ignore_invalid_pages</code> to <code class="literal">on</code>
        causes the system to ignore invalid page references in WAL records
        (but still report a warning), and continue the recovery.
        This behavior may <span class="emphasis"><em>cause crashes, data loss,
        propagate or hide corruption, or other serious problems</em></span>.
        However, it may allow you to get past the PANIC-level error,
        to finish the recovery, and to cause the server to start up.
        The parameter can only be set at server start. It only has effect
        during recovery or in standby mode.
       </p>

documentation revision

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extra desc

Detection of WAL records having references to invalid pages during recovery causes PostgreSQL to raise a PANIC-level error, aborting the recovery. Setting "ignore_invalid_pages" to true causes the system to ignore invalid page references in WAL records (but still report a warning), and continue recovery. This behavior may cause crashes, data loss, propagate or hide corruption, or other serious problems. Only has an effect during recovery or in standby mode.