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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>
    </build-info>


<item>
            <title>[DOCS-12347] Missing step to remove minOpTimeRecovery document during shared cluster restore</title>
                <link>https://jira.mongodb.org/browse/DOCS-12347</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;h2&gt;&lt;a name=&quot;Description&quot;&gt;&lt;/a&gt;Description&lt;/h2&gt;
&lt;p&gt;&lt;a href=&quot;https://docs.mongodb.com/manual/tutorial/restore-sharded-cluster/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://docs.mongodb.com/manual/tutorial/restore-sharded-cluster/&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Prior to &lt;a href=&quot;https://docs.mongodb.com/manual/tutorial/restore-sharded-cluster/#optional-for-any-csrs-hostname-or-replica-set-name-changes-update-shard-metadata-in-each-shard-s-identity-document&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this step on the shards&lt;/a&gt;, this step is missing:&lt;/p&gt;

&lt;p&gt;Remove the &lt;/p&gt;
{&quot;_id&quot;: &quot;minOpTimeRecovery&quot;}
&lt;p&gt; from the admin.system.version collection&lt;/p&gt;

&lt;p&gt;That document contains the minimum timestamp and election term for inclusion in queries to the CSRS.  If the original cluster&apos;s CSRS experienced elections, the election term will be &amp;gt; 1 in that document.   For example:&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;
		&lt;tbody &gt;
				&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;  margin-top: 10px;   margin-bottom: 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;{ &quot;_id&quot; : &quot;minOpTimeRecovery&quot;, &quot;configsvrConnectionString&quot; : &quot;configRepl/localhost:39008,localhost:39009,localhost:39010&quot;, &quot;minOpTime&quot; : { &quot;ts&quot; : Timestamp(1547112229, 5), &quot;t&quot; : NumberLong(2) }, &quot;minOpTimeUpdaters&quot; : 0, &quot;shardName&quot; : &quot;shard01&quot; }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Election term is value of &lt;tt&gt;t&lt;/tt&gt; here:&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;
		&lt;tbody &gt;
				&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;  margin-top: 10px;   margin-bottom: 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;&quot;t&quot; : NumberLong(2) &lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Meanwhile, the newly restored CSRS will start out with election term = 1.  If the document is not removed and the term &amp;gt; 1 in that document, it will result in unsatisfiable queries to the CSRS (since the CSRS term will never match the query term).  This leaves the restored cluster in a degraded state.&lt;/p&gt;


&lt;h2&gt;&lt;a name=&quot;Scopeofchanges&quot;&gt;&lt;/a&gt;Scope of changes&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;ImpacttoOtherDocs&quot;&gt;&lt;/a&gt;Impact to Other Docs&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;MVP%28WorkandDate%29&quot;&gt;&lt;/a&gt;MVP (Work and Date)&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;Resources%28ScopeorDesignDocs%2CInvision%2Cetc.%29&quot;&gt;&lt;/a&gt;Resources (Scope or Design Docs, Invision, etc.)&lt;/h2&gt;
</description>
                <environment></environment>
        <key id="669042">DOCS-12347</key>
            <summary>Missing step to remove minOpTimeRecovery document during shared cluster restore</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="eric.sommer@mongodb.com">Eric Sommer</reporter>
                        <labels>
                    </labels>
                <created>Thu, 10 Jan 2019 14:03:47 +0000</created>
                <updated>Thu, 10 Jan 2019 14:44:38 +0000</updated>
                            <resolved>Thu, 10 Jan 2019 14:41:41 +0000</resolved>
                                                                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2111036" author="ravind.kumar" created="Thu, 10 Jan 2019 14:41:41 +0000"  >&lt;p&gt;Thanks for filing this &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=eric.sommer&quot; class=&quot;user-hover&quot; rel=&quot;eric.sommer&quot;&gt;eric.sommer&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;This looks like a duplicate of &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-12315&quot; title=&quot;Update restore procedure&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-12315&quot;&gt;&lt;del&gt;DOCS-12315&lt;/del&gt;&lt;/a&gt;, which is on deck for this week. I&apos;ll link this ticket for reference as part of the work on that and bump the priority.&lt;/p&gt;</comment>
                    </comments>
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