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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-60703] file:WiredTiger.wt, connection: WiredTiger.turtle: encountered an illegal file format or internal value</title>
                <link>https://jira.mongodb.org/browse/SERVER-60703</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;hello,&lt;br/&gt;
My data is corrupted, there is no backup or replset due to mistake, I request help according to the instructions of Server-19815.&lt;/p&gt;

&lt;p&gt;thanks!&lt;/p&gt;</description>
                <environment></environment>
        <key id="1898518">SERVER-60703</key>
            <summary>file:WiredTiger.wt, connection: WiredTiger.turtle: encountered an illegal file format or internal value</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="north.bai@foxmail.com">HongRu Bai</reporter>
                        <labels>
                    </labels>
                <created>Thu, 14 Oct 2021 15:38:32 +0000</created>
                <updated>Mon, 18 Oct 2021 15:21:11 +0000</updated>
                            <resolved>Mon, 18 Oct 2021 15:21:11 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4129658" author="JIRAUSER1257066" created="Mon, 18 Oct 2021 15:21:11 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=north.bai%40foxmail.com&quot; class=&quot;user-hover&quot; rel=&quot;north.bai@foxmail.com&quot;&gt;north.bai@foxmail.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thank you for the update and we&apos;re happy to hear that &lt;tt&gt;&amp;#45;&amp;#45;repair&lt;/tt&gt; on MongoDB v4.0.27 was able to resolve your corruption! &lt;/p&gt;

&lt;p&gt;To avoid a problem like this in the future, it is our strong recommendation to:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;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;/li&gt;
	&lt;li&gt;Use the &lt;a href=&quot;https://docs.mongodb.com/manual/release-notes/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;most recent version&lt;/a&gt;.&lt;/li&gt;
	&lt;li&gt;Keep up to date &lt;a href=&quot;https://docs.mongodb.com/manual/core/backups/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;backups of your databases&lt;/a&gt;.&lt;/li&gt;
	&lt;li&gt;Have a process in place to restore backups.&lt;/li&gt;
	&lt;li&gt;Follow all &lt;a href=&quot;https://docs.mongodb.com/manual/administration/production-notes/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;production notes&lt;/a&gt;, especially those for &lt;a href=&quot;https://docs.mongodb.com/manual/administration/production-notes/#disk-and-storage-systems&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;underlying storage systems&lt;/a&gt;.&lt;/li&gt;
	&lt;li&gt;Schedule and perform regular checks of the integrity of your filesystems and disks.&lt;/li&gt;
	&lt;li&gt;Never manipulate the underlying database files in any way.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Best,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
                            <comment id="4127828" author="JIRAUSER1262845" created="Sat, 16 Oct 2021 10:25:44 +0000"  >&lt;p&gt;Thank you for your help.&lt;/p&gt;

&lt;p&gt; I finally fixed my data using v4.0.27 --repair as suggested.&lt;/p&gt;

&lt;p&gt;Thank you very much.&lt;/p&gt;</comment>
                            <comment id="4126687" author="JIRAUSER1257066" created="Fri, 15 Oct 2021 16:03:09 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=north.bai%40foxmail.com&quot; class=&quot;user-hover&quot; rel=&quot;north.bai@foxmail.com&quot;&gt;north.bai@foxmail.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;MongoDB v3.2 &lt;a href=&quot;https://www.mongodb.com/support-policy/legacy&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;reached end of life in September of 2018&lt;/a&gt;. But we can provide limited guidance on this issue.&lt;/p&gt;

&lt;p&gt;This error message leads us to suspect some form of physical corruption. &lt;br/&gt;
Please make a complete copy of the database&apos;s $dbpath directory to safeguard so that you can work off of the current $dbpath. Please 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>
                            <comment id="4124311" author="JIRAUSER1262845" created="Thu, 14 Oct 2021 15:46:28 +0000"  >&lt;p&gt;Affects Version/s: 3.2.6&lt;br/&gt;
Component/s: WiredTiger&lt;/p&gt;</comment>
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