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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-33070] Wt crashed  file:xxxx/xxxx.wt, WT_CURSOR.search: read checksum error</title>
                <link>https://jira.mongodb.org/browse/SERVER-33070</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hi&lt;br/&gt;
I got this error on my primary instance.&lt;br/&gt;
And then it crashed with this errors.&lt;br/&gt;
When i was trying to make it start again ,it works.&lt;br/&gt;
But i still wanna know the reason of this case,what made the instance crashed.&lt;/p&gt;

&lt;p&gt;Thanks for your help&lt;/p&gt;</description>
                <environment></environment>
        <key id="491377">SERVER-33070</key>
            <summary>Wt crashed  file:xxxx/xxxx.wt, WT_CURSOR.search: 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="mark.agarunov">Mark Agarunov</assignee>
                                    <reporter username="eshujiushiwo">Edision chow</reporter>
                        <labels>
                    </labels>
                <created>Fri, 2 Feb 2018 08:03:46 +0000</created>
                <updated>Fri, 27 Jul 2018 16:55:22 +0000</updated>
                            <resolved>Fri, 2 Feb 2018 18:11:23 +0000</resolved>
                                    <version>3.4.11</version>
                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1793549" author="mark.agarunov" created="Fri, 2 Feb 2018 18:11:23 +0000"  >&lt;p&gt;Hello &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=eshujiushiwo&quot; class=&quot;user-hover&quot; rel=&quot;eshujiushiwo&quot;&gt;eshujiushiwo&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thank you for the report. This error generally indicates that there was corruption on the disk, most often cause by a faulty storage layer. To prevent this from being a 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;Thanks,&lt;br/&gt;
Mark&lt;/p&gt;</comment>
                    </comments>
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                            <attachment id="177615" name="mongo-error.log" size="28540" author="eshujiushiwo" created="Fri, 2 Feb 2018 08:03:31 +0000"/>
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