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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>[SERVER-44573] WiredTiger.wt, connection: read checksum error</title>
                <link>https://jira.mongodb.org/browse/SERVER-44573</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hello, &lt;br/&gt;
After an unexpected shutdown we got this error: &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;   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;2019-11-12T01:52:20.134-0500 E STORAGE [initandlisten] WiredTiger (0) [1573541540:134115][13835:0x7f3e69671c80], file:WiredTiger.wt, connection: read checksum error for 4096B block at offset 12288: block header checksum of 1043026774 doesn&apos;t match expected checksum of 1182754036&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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-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;2019-11-12T01:52:20.134-0500 E STORAGE [initandlisten] WiredTiger (0) [1573541540:134212][13835:0x7f3e69671c80], file:WiredTiger.wt, connection: WiredTiger.wt: encountered an illegal file format or internal value&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;Could you please help us ?&lt;/p&gt;</description>
                <environment></environment>
        <key id="998558">SERVER-44573</key>
            <summary>WiredTiger.wt, connection: read checksum error</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="carl.champain@mongodb.com">Carl Champain</assignee>
                                    <reporter username="adrian.enache@comodo.net">Adrian Enache</reporter>
                        <labels>
                    </labels>
                <created>Tue, 12 Nov 2019 07:15:13 +0000</created>
                <updated>Mon, 18 Nov 2019 14:00:41 +0000</updated>
                            <resolved>Fri, 15 Nov 2019 19:00:31 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="2546703" author="adrian.enache@comodo.net" created="Mon, 18 Nov 2019 14:00:41 +0000"  >&lt;p&gt;I will try and fix it. Thank you !&lt;/p&gt;</comment>
                            <comment id="2543616" author="carl.champain" created="Fri, 15 Nov 2019 18:36:34 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=adrian.enache%40comodo.net&quot; class=&quot;user-hover&quot; rel=&quot;adrian.enache@comodo.net&quot;&gt;adrian.enache@comodo.net&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;The error message in the logs leads us to suspect some form of physical corruption. Please make a complete copy of the database&apos;s &lt;tt&gt;$dbpath&lt;/tt&gt; directory to safeguard so that you can work off of the current &lt;tt&gt;$dbpath&lt;/tt&gt;.&lt;br/&gt;
I&apos;ve attached a repair attempt,&#160;&lt;span class=&quot;nobr&quot;&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/attachment/237481/237481_repair_attempt.tar.gz&quot; title=&quot;repair_attempt.tar.gz attached to SERVER-44573&quot;&gt;repair_attempt.tar.gz&lt;sup&gt;&lt;img class=&quot;rendericon&quot; src=&quot;https://jira.mongodb.org/images/icons/link_attachment_7.gif&quot; height=&quot;7&quot; width=&quot;7&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/sup&gt;&lt;/a&gt;&lt;/span&gt;, of the WiredTiger files you provided. Please extract these files and replace them in your&#160;&lt;tt&gt;$dbpath&lt;/tt&gt;. Sadly, if this doesn&apos;t work, there is nothing else we can do to help you recover the data.&lt;/p&gt;

&lt;p&gt;Importantly, 3.2 is already end-of-lifed, which means it is unsupported by us. We strongly recommend you upgrade to a&#160;&lt;a href=&quot;https://www.mongodb.com/support-policy&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;supported version&lt;/a&gt;&#160;and use a &lt;a href=&quot;https://docs.mongodb.com/manual/replication/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;replica set&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Thank you,&lt;br/&gt;
Carl&lt;/p&gt;</comment>
                            <comment id="2540314" author="adrian.enache@comodo.net" created="Thu, 14 Nov 2019 07:27:22 +0000"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;Thank you for the reply!&lt;/p&gt;

&lt;p&gt;I&apos;ve attached the log here.&lt;/p&gt;</comment>
                            <comment id="2538783" author="carl.champain" created="Wed, 13 Nov 2019 14:51:43 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=adrian.enache%40comodo.net&quot; class=&quot;user-hover&quot; rel=&quot;adrian.enache@comodo.net&quot;&gt;adrian.enache@comodo.net&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thanks for the report.&lt;br/&gt;
To help us understand what is happening, can you please provide the full &lt;tt&gt;mongod.log&lt;/tt&gt; file for this node?&lt;/p&gt;

&lt;p&gt;Kind regards,&lt;br/&gt;
Carl&lt;/p&gt;</comment>
                    </comments>
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                            <attachment id="236968" name="WiredTiger.tar.gz" size="44303" author="adrian.enache@comodo.net" created="Tue, 12 Nov 2019 07:13:10 +0000"/>
                            <attachment id="237294" name="mongod.log-20191109.gz" size="36510" author="adrian.enache@comodo.net" created="Thu, 14 Nov 2019 07:22:13 +0000"/>
                            <attachment id="237481" name="repair_attempt.tar.gz" size="44397" author="carl.champain@mongodb.com" created="Fri, 15 Nov 2019 18:16:45 +0000"/>
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