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regen

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Mark Andrews 2007-09-07 12:49:01 +00:00
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doc/arm/Bv9ARM.ch08.html
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@ -14,7 +14,7 @@
- OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- PERFORMANCE OF THIS SOFTWARE.
-->
<!-- $Id: Bv9ARM.ch08.html,v 1.146 2007/07/09 02:38:44 marka Exp $ -->
<!-- $Id: Bv9ARM.ch08.html,v 1.147 2007/09/07 12:49:01 marka Exp $ -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="id2593600"></a>Incrementing and Changing the Serial Number</h2></div></div></div>
<p>
Zone serial numbers are just numbers &#8212; they aren't date
related. A lot of people set them to a number that represents a
date, usually of the form YYYYMMDDRR. A number of people
tested these numbers for Y2K compliance and set the number
to the year 2000 to see if it would work. They then tried to restore
the old serial number. This caused problems because serial
numbers are used to indicate that a zone has been updated. If the
serial number on the slave server is lower than the serial number
on the master, the slave server will attempt to update its copy of
the zone.
Zone serial numbers are just numbers &#8212; they aren't
date related. A lot of people set them to a number that
represents a date, usually of the form YYYYMMDDRR.
Occasionally they will make a mistake and set them to a
"date in the future" then try to correct them by setting
them to the "current date". This causes problems because
serial numbers are used to indicate that a zone has been
updated. If the serial number on the slave server is
lower than the serial number on the master, the slave
server will attempt to update its copy of the zone.
</p>
<p>
Setting the serial number to a lower number on the master