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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[DOCS-929] Upgrade Procedure for 2.4 Config Server Changes</title>
                <link>https://jira.mongodb.org/browse/DOCS-929</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;blockquote&gt;&lt;p&gt;As part of an upgrade of a cluster from v2.2 to v2.4, the config database will need to be upgraded and epochs added to all collections (to support &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-939&quot; title=&quot;Ability to distribute collections in a single db&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-939&quot;&gt;SERVER-939&lt;/a&gt;). v2.2 is backwards-compatible with these changes, however v2.0 is not. In order to migrate the cluster, a single v2.4 mongos must be started with --upgrade, and no collection metadata changes (adding shards, dropping databases, dropping collections) can happen while the upgrade is in progress.&lt;/p&gt;&lt;/blockquote&gt;

&lt;p&gt;When an upgrade fails in the critical section when adding epochs to all collections in the config server, we print a message with a documentation link - this page needs to be created and maintained.&lt;/p&gt;

&lt;p&gt;Needed pre-2.4.&lt;/p&gt;</description>
                <environment></environment>
        <key id="60442">DOCS-929</key>
            <summary>Upgrade Procedure for 2.4 Config Server Changes</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="bgrabar">Bob Grabar</assignee>
                                    <reporter username="greg_10gen">Greg Studer</reporter>
                        <labels>
                    </labels>
                <created>Thu, 27 Dec 2012 15:20:58 +0000</created>
                <updated>Tue, 15 Jan 2013 13:16:57 +0000</updated>
                            <resolved>Thu, 10 Jan 2013 20:21:21 +0000</resolved>
                                    <version>mongodb-2.4</version>
                                    <fixVersion>mongodb-2.4</fixVersion>
                                    <component>manual</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="237339" author="auto" created="Fri, 11 Jan 2013 17:20:21 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-01-10T23:19:50Z&apos;, u&apos;name&apos;: u&apos;kay&apos;, u&apos;email&apos;: u&apos;kay.kim@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-929&quot; title=&quot;Upgrade Procedure for 2.4 Config Server Changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-929&quot;&gt;&lt;del&gt;DOCS-929&lt;/del&gt;&lt;/a&gt; edits to release notes for text search&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/e8625759c9998ab833bc51ccc0043d2d8a256dfc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/e8625759c9998ab833bc51ccc0043d2d8a256dfc&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="237338" author="auto" created="Fri, 11 Jan 2013 17:20:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-01-10T22:49:56Z&apos;, u&apos;email&apos;: u&apos;samk@10gen.com&apos;, u&apos;name&apos;: u&apos;Sam Kleinman&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-929&quot; title=&quot;Upgrade Procedure for 2.4 Config Server Changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-929&quot;&gt;&lt;del&gt;DOCS-929&lt;/del&gt;&lt;/a&gt;: corrections to introduction from discussion with paul&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/dc699fc9f31c97896e8ab2921c1668be899e07d4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/dc699fc9f31c97896e8ab2921c1668be899e07d4&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="236627" author="auto" created="Thu, 10 Jan 2013 23:07:48 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-01-10T23:07:30Z&apos;, u&apos;email&apos;: u&apos;samk@10gen.com&apos;, u&apos;name&apos;: u&apos;Sam Kleinman&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-929&quot; title=&quot;Upgrade Procedure for 2.4 Config Server Changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-929&quot;&gt;&lt;del&gt;DOCS-929&lt;/del&gt;&lt;/a&gt; upgrade procedure edits&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/bec9c3f6a5bd239ff9510db0603184ef8786b69b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/bec9c3f6a5bd239ff9510db0603184ef8786b69b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="236626" author="auto" created="Thu, 10 Jan 2013 23:07:47 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-01-10T22:39:34Z&apos;, u&apos;email&apos;: u&apos;samk@10gen.com&apos;, u&apos;name&apos;: u&apos;Sam Kleinman&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-929&quot; title=&quot;Upgrade Procedure for 2.4 Config Server Changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-929&quot;&gt;&lt;del&gt;DOCS-929&lt;/del&gt;&lt;/a&gt;: edits to release notes upgrade process&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/206737a614f5273e46a3b143c7925f162ffeaefe&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/206737a614f5273e46a3b143c7925f162ffeaefe&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="236625" author="auto" created="Thu, 10 Jan 2013 23:07:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-01-10T19:49:24Z&apos;, u&apos;email&apos;: u&apos;samk@10gen.com&apos;, u&apos;name&apos;: u&apos;Sam Kleinman&apos;}
&lt;p&gt;Message: merge: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-929&quot; title=&quot;Upgrade Procedure for 2.4 Config Server Changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-929&quot;&gt;&lt;del&gt;DOCS-929&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/8e721518700b2483db17d3f83b139ae450cf7631&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/8e721518700b2483db17d3f83b139ae450cf7631&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="236624" author="auto" created="Thu, 10 Jan 2013 23:07:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-01-10T15:01:03Z&apos;, u&apos;email&apos;: u&apos;bob.grabar@10gen.com&apos;, u&apos;name&apos;: u&apos;Bob Grabar&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-929&quot; title=&quot;Upgrade Procedure for 2.4 Config Server Changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-929&quot;&gt;&lt;del&gt;DOCS-929&lt;/del&gt;&lt;/a&gt; config server upgrade review edits&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/4764b8a6184e897fb5cb048143f0ef2d96783aba&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/4764b8a6184e897fb5cb048143f0ef2d96783aba&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="236623" author="auto" created="Thu, 10 Jan 2013 23:07:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-01-09T23:33:32Z&apos;, u&apos;email&apos;: u&apos;bob.grabar@10gen.com&apos;, u&apos;name&apos;: u&apos;Bob Grabar&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-929&quot; title=&quot;Upgrade Procedure for 2.4 Config Server Changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-929&quot;&gt;&lt;del&gt;DOCS-929&lt;/del&gt;&lt;/a&gt; config server upgrade (quick, early draft)&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/55af6a49da8af71a222ceec3bf0186c15bd0caf2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/55af6a49da8af71a222ceec3bf0186c15bd0caf2&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="230462" author="auto" created="Thu, 3 Jan 2013 23:59:10 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;date&apos;: u&apos;2013-01-03T23:49:12Z&apos;, u&apos;email&apos;: u&apos;greg@10gen.com&apos;, u&apos;name&apos;: u&apos;Greg Studer&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-929&quot; title=&quot;Upgrade Procedure for 2.4 Config Server Changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-929&quot;&gt;&lt;del&gt;DOCS-929&lt;/del&gt;&lt;/a&gt; changed link to release notes for now&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/a428db77dfdebf04c4a7dcd4cc7073ec2160a463&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/a428db77dfdebf04c4a7dcd4cc7073ec2160a463&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="230444" author="dan@10gen.com" created="Thu, 3 Jan 2013 23:34:09 +0000"  >&lt;p&gt;This documentation needs to be prepared for 2.3.2 release.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10010">
                    <name>Duplicate</name>
                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="58377">DOCS-847</issuekey>
        </issuelink>
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                            <issuelinktype id="10012">
                    <name>Related</name>
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                                        <issuelink>
            <issuekey id="59935">SERVER-7984</issuekey>
        </issuelink>
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