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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-35102] WiredTiger.wt &#25991;&#20214;&#25439;&#22351;</title>
                <link>https://jira.mongodb.org/browse/SERVER-35102</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;mongodb &#21551;&#21160;&#25552;&#31034;&#160;&lt;/p&gt;

&lt;p&gt;WiredTiger error (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1526701572:306120&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;3887:0x7fda17c7ee40&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:WiredTiger.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:WiredTiger.wt&lt;/a&gt;, connection: WiredTiger.wt: encountered an illegal file format or internal value&lt;/p&gt;</description>
                <environment>centos 7</environment>
        <key id="546766">SERVER-35102</key>
            <summary>WiredTiger.wt &#25991;&#20214;&#25439;&#22351;</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</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="kelsey.schubert@mongodb.com">Kelsey Schubert</assignee>
                                    <reporter username="wu_qing_hua">wuqinghua</reporter>
                        <labels>
                    </labels>
                <created>Sat, 19 May 2018 04:13:27 +0000</created>
                <updated>Thu, 28 Jun 2018 15:14:40 +0000</updated>
                            <resolved>Thu, 24 May 2018 20:11:12 +0000</resolved>
                                    <version>3.4.12</version>
                                                    <component>WiredTiger</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="1901321" author="thomas.schubert" created="Thu, 24 May 2018 20:11:04 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=wu_qing_hua&quot; class=&quot;user-hover&quot; rel=&quot;wu_qing_hua&quot;&gt;wu_qing_hua&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Unfortunately, the error persisting after restarting with the repaired files generally indicates that there was corruption on the disk, most often caused by a faulty storage layer. In this situation, our best recommendation would be to &lt;a href=&quot;https://docs.mongodb.com/manual/tutorial/resync-replica-set-member/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;resync the affected node&lt;/a&gt; or &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;restore from a backup&lt;/a&gt; if possible.&lt;/p&gt;

&lt;p&gt;To prevent this type of problem in the future please take note of the following guidelines to help mitigate any issues related to unreliable storage layers or server failures.&lt;/p&gt;

&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;Make sure your &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 is configured in an optimal way&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;Make sure to update MongoDB to 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;Never manipulate the underlying database files in any way while &lt;tt&gt;mongod&lt;/tt&gt; is running.&lt;/li&gt;
	&lt;li&gt;Always 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; and verify that you have a process in place to restore them.&lt;/li&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; for improved reliability.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Thank you,&lt;br/&gt;
Kelsey&lt;/p&gt;</comment>
                            <comment id="1897855" author="wu_qing_hua" created="Tue, 22 May 2018 03:03:04 +0000"  >&lt;p&gt;Thank you&#65281; Can still report the same error Is the other file damaged?&lt;/p&gt;</comment>
                            <comment id="1897279" author="ramon.fernandez" created="Mon, 21 May 2018 17:23:39 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=wu_qing_hua&quot; class=&quot;user-hover&quot; rel=&quot;wu_qing_hua&quot;&gt;wu_qing_hua&lt;/a&gt;, I&apos;ve attached a &lt;span class=&quot;nobr&quot;&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/attachment/187280/187280_repair_attempt.tgz&quot; title=&quot;repair_attempt.tgz attached to SERVER-35102&quot;&gt;file&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; containing the results of an attempted repair. Please extract it on your &lt;tt&gt;dbpath&lt;/tt&gt; and see if you can start MongoDB again.&lt;/p&gt;

&lt;p&gt;Regards,&lt;br/&gt;
Ram&#243;n.&lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="187190" name="WiredTiger.turtle" size="1021" author="wu_qing_hua" created="Sat, 19 May 2018 06:20:15 +0000"/>
                            <attachment id="187191" name="WiredTiger.wt" size="888832" author="wu_qing_hua" created="Sat, 19 May 2018 06:20:27 +0000"/>
                            <attachment id="187280" name="repair_attempt.tgz" size="55060" author="ramon.fernandez@mongodb.com" created="Mon, 21 May 2018 17:22:13 +0000"/>
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