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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-53851] WiredTiger error read checksum error</title>
                <link>https://jira.mongodb.org/browse/SERVER-53851</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;sub&gt;Hi.&lt;/sub&gt;&lt;/p&gt;

&lt;p&gt;&lt;sub&gt;Service Mongod failed:&lt;/sub&gt;&lt;/p&gt;

&lt;p&gt;&lt;sub&gt;2021-01-16T07:25:59.101+0100 I - &lt;span class=&quot;error&quot;&gt;&amp;#91;conn772&amp;#93;&lt;/span&gt; Index Build: scanning collection: 61459500/76903785 79%&lt;/sub&gt;&#160;&lt;/p&gt;

&lt;p&gt;&lt;sub&gt;2021-01-16T07:26:01.403+0100 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;conn772&amp;#93;&lt;/span&gt; WiredTiger error (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1610778361:383471&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;898:0x7efd59b97700&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:collection-1106--3373039797341136654.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:collection-1106--3373039797341136654.wt&lt;/a&gt;, WT_CURSOR.next: __wt_block_read_off, 274: collection-1106-&lt;del&gt;3373039797341136654.wt: read checksum error for 40960B block at offset 8881115136: calculated block checksum doesn&apos;t match expected checksum Raw: &lt;span class=&quot;error&quot;&gt;&amp;#91;1610778361:383471&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;898:0x7efd59b97700&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:collection-1106--3373039797341136654.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:collection-1106--3373039797341136654.wt&lt;/a&gt;, WT_CURSOR.next: __wt_block_read_off, 274: collection-1106&lt;/del&gt;-3373039797341136654.wt: read checksum error for 40960B block at offset 8881115136: calculated block checksum doesn&apos;t match expected checksum&lt;/sub&gt;&lt;br/&gt;
&lt;sub&gt;2021-01-16T07:26:01.403+0100 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;conn772&amp;#93;&lt;/span&gt; WiredTiger error (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1610778361:403282&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;898:0x7efd59b97700&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:collection-1106--3373039797341136654.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:collection-1106--3373039797341136654.wt&lt;/a&gt;, WT_CURSOR.next: __wt_bm_corrupt_dump, 135: {8881115136, 40960, 0xfda0a099}: (chunk 1 of 40)&lt;/sub&gt;&lt;/p&gt;

&lt;p&gt;&lt;sub&gt;--&lt;/sub&gt;&lt;/p&gt;

&lt;p&gt;&lt;sub&gt;Jan 16 07:26:01 Debian-102-buster-64-minimal systemd&lt;span class=&quot;error&quot;&gt;&amp;#91;1&amp;#93;&lt;/span&gt;: mongod.service: Main process exited, code=killed, status=6/ABRT&lt;/sub&gt;&lt;br/&gt;
&lt;sub&gt;Jan 16 07:26:01 Debian-102-buster-64-minimal systemd&lt;span class=&quot;error&quot;&gt;&amp;#91;1&amp;#93;&lt;/span&gt;: mongod.service: Failed with result &apos;signal&apos;.&lt;/sub&gt;&lt;/p&gt;

&lt;p&gt;&lt;sub&gt;--&lt;/sub&gt;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1592808">SERVER-53851</key>
            <summary>WiredTiger error 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="edwin.zhou@mongodb.com">Edwin Zhou</assignee>
                                    <reporter username="sergei_grigoriev@belkatechnologies.com">Sergei Grigoriev</reporter>
                        <labels>
                    </labels>
                <created>Sat, 16 Jan 2021 07:29:01 +0000</created>
                <updated>Wed, 10 Feb 2021 15:51:58 +0000</updated>
                            <resolved>Wed, 10 Feb 2021 15:51:57 +0000</resolved>
                                    <version>4.2.3</version>
                                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="3609356" author="JIRAUSER1257066" created="Wed, 10 Feb 2021 15:51:58 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=sergei_grigoriev%40belkatechnologies.com&quot; class=&quot;user-hover&quot; rel=&quot;sergei_grigoriev@belkatechnologies.com&quot;&gt;sergei_grigoriev@belkatechnologies.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;We&apos;re happy to hear you&apos;re able to start the server! Thanks for updating us on your situation.&lt;/p&gt;

&lt;p&gt;Best,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
                            <comment id="3608505" author="JIRAUSER1258301" created="Wed, 10 Feb 2021 07:41:47 +0000"  >&lt;p&gt;Hi&#160;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=edwin.zhou&quot; class=&quot;user-hover&quot; rel=&quot;edwin.zhou&quot;&gt;edwin.zhou&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Thanks for the answer.&lt;/p&gt;

&lt;p&gt;Mongo after falling, started and runs without errors.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="3604512" author="JIRAUSER1257066" created="Mon, 8 Feb 2021 15:57:27 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=sergei_grigoriev%40belkatechnologies.com&quot; class=&quot;user-hover&quot; rel=&quot;sergei_grigoriev@belkatechnologies.com&quot;&gt;sergei_grigoriev@belkatechnologies.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Were you able to resolve your corruption? If this is still an issue for you, would you please make a complete copy of the database&apos;s $dbpath? If your topology is a replica set, we ideally perform a clean &lt;a href=&quot;https://docs.mongodb.org/manual/tutorial/resync-replica-set-member/#automatically-sync-a-member&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;resync&lt;/a&gt; from an unaffected node.&lt;/p&gt;

&lt;p&gt;You can also try &lt;a href=&quot;https://docs.mongodb.com/manual/reference/program/mongod/#cmdoption-mongod-repair&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;mongod --repair&lt;/tt&gt;&lt;/a&gt; using the latest version of MongoDB. &lt;/p&gt;

&lt;p&gt;In the event that a &lt;tt&gt;--repair&lt;/tt&gt; operation is unsuccessful, then please also provide:&lt;/p&gt;

&lt;p&gt;The logs leading up to the first occurrence of any issue&lt;br/&gt;
The logs of the repair operation.&lt;br/&gt;
The logs of any attempt to start mongod after the repair operation completed.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
                            <comment id="3571626" author="JIRAUSER1257066" created="Tue, 19 Jan 2021 17:21:07 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=sergei_grigoriev%40belkatechnologies.com&quot; class=&quot;user-hover&quot; rel=&quot;sergei_grigoriev@belkatechnologies.com&quot;&gt;sergei_grigoriev@belkatechnologies.com&lt;/a&gt;, &lt;br/&gt;
This error message leads us to suspect some form of physical corruption. Please make a complete copy of the database&apos;s $dbpath directory to safeguard so that you can work off of the current $dbpath.&lt;/p&gt;

&lt;p&gt;The ideal resolution is to perform a clean &lt;a href=&quot;https://docs.mongodb.org/manual/tutorial/resync-replica-set-member/#automatically-sync-a-member&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;resync&lt;/a&gt; from an unaffected node. &lt;/p&gt;

&lt;p&gt;You can also try &lt;a href=&quot;https://docs.mongodb.com/manual/reference/program/mongod/#cmdoption-mongod-repair&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;mongod --repair&lt;/tt&gt;&lt;/a&gt; using the latest version of MongoDB.&lt;/p&gt;

&lt;p&gt;In the event that a &lt;tt&gt;--repair&lt;/tt&gt; operation is unsuccessful, then please also provide:&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;The logs leading up to the first occurrence of any issue&lt;/li&gt;
	&lt;li&gt;The logs of the repair operation.&lt;/li&gt;
	&lt;li&gt;The logs of any attempt to start mongod after the repair operation completed.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Best,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
                    </comments>
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                            <attachment id="295759" name="mongod.log" size="1213469" author="sergei_grigoriev@belkatechnologies.com" created="Sat, 16 Jan 2021 07:28:51 +0000"/>
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