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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>[SERVER-14773] sh.addShard can cause inconsistent/wrong config servers</title>
                <link>https://jira.mongodb.org/browse/SERVER-14773</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;{&lt;br/&gt;
	&quot;ok&quot; : 0,&lt;br/&gt;
	&quot;errmsg&quot; : &quot;config write was not consistent, manual intervention may be required. config responses: { 172.31.20.42:27099: &lt;/p&gt;
{ ok: 1, n: 1 }
&lt;p&gt;, 172.31.20.40:27099: { ok: 1, n: 0, writeErrors: [ { index: 0, code: 11000, errmsg: \&quot;insertDocument :: caused by :: 11000 E11000 duplicate key error index: config.shards.$&lt;em&gt;id&lt;/em&gt;  dup key: { : \&quot;shard0026\&quot; }\&quot; } ] }, 172.31.20.41:27099: { ok: 1, n: 0, writeErrors: [ { index: 0, code: 11000, errmsg: \&quot;insertDocument :: caused by :: 11000 E11000 duplicate key error index: config.shards.$&lt;em&gt;id&lt;/em&gt;  dup key: { : \&quot;shard0026\&quot; }\&quot; } ] } }&quot;&lt;br/&gt;
}&lt;/p&gt;


&lt;p&gt;I also ended up with 78 shards.  I only called sh.addShard 48 times.&lt;/p&gt;</description>
                <environment></environment>
        <key id="150602">SERVER-14773</key>
            <summary>sh.addShard can cause inconsistent/wrong config servers</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="charlie.page@10gen.com">Charlie Page</reporter>
                        <labels>
                    </labels>
                <created>Sat, 2 Aug 2014 22:11:50 +0000</created>
                <updated>Tue, 6 Dec 2022 05:03:15 +0000</updated>
                            <resolved>Mon, 9 Dec 2019 15:12:30 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>1</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="2593730" author="sheeri.cabral" created="Mon, 9 Dec 2019 15:12:30 +0000"  >&lt;p&gt;gone away with config server replica sets&lt;/p&gt;</comment>
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                            <customfieldvalue>&lt;p&gt;2.6.3 enterprise &lt;/p&gt;

&lt;p&gt;3 servers with micro sharding.  16 stand alone MongoD per server. (total 48 shards)&lt;/p&gt;

&lt;p&gt;All 3 servers simultaneously execute the following to add shards:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;DISKSTART=0&lt;/span&gt;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;DISKEND=3&lt;/span&gt;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;MONGOSTART=0&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;MONGOEND=3&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;HOST=`hostname`&lt;/span&gt;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;for d in $(seq $DISKSTART $DISKEND); do&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  for m in $(seq $MONGOSTART $MONGOEND); do&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    echo &quot;sh.addShard(\&quot;$HOST:270$d$m\&quot;)&quot; | mongo --port 27090&lt;/span&gt;&lt;/pre&gt;
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