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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-63881] Input/output error</title>
                <link>https://jira.mongodb.org/browse/SERVER-63881</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This happened twice on a secondary node in the last week and caused the MongoDB down. Searched the issues and cannot find similar issues. Logs can be provided.&lt;/p&gt;

&lt;p&gt;Can anyone help with this? Thanks!&#160;&lt;br/&gt;
Sat Feb 19 08:37:22.644 E  STORAGE  &lt;span class=&quot;error&quot;&gt;&amp;#91;conn959063&amp;#93;&lt;/span&gt; WiredTiger error (5) &lt;span class=&quot;error&quot;&gt;&amp;#91;1645288642:644562&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;50690:0x7fec9d1c8700&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:collection-60341-8917267969775698840.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:collection-60341-8917267969775698840.wt&lt;/a&gt;, WT_CURSOR.next: __posix_file_read, 419: /mnt/mongodb/data/collection-60341-8917267969775698840.wt: handle-read: pread: failed to read 24576 bytes at offset 644296704: Input/output error Raw: &lt;span class=&quot;error&quot;&gt;&amp;#91;1645288642:644562&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;50690:0x7fec9d1c8700&amp;#93;&lt;/span&gt;, &lt;a href=&quot;file:collection-60341-8917267969775698840.wt&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;file:collection-60341-8917267969775698840.wt&lt;/a&gt;, WT_CURSOR.next: __posix_file_read, 419: /mnt/mongodb/data/collection-60341-8917267969775698840.wt: handle-read: pread: failed to read 24576 bytes at offset 644296704: Input/output error&lt;br/&gt;
Sat Feb 19 08:37:22.644 F  -        &lt;span class=&quot;error&quot;&gt;&amp;#91;conn959063&amp;#93;&lt;/span&gt; Invariant failure: advanceRet resulted in status UnknownError: 5: Input/output error at src/mongo/db/storage/wiredtiger/wiredtiger_record_store.cpp 1946&lt;br/&gt;
Sat Feb 19 08:37:22.645 F  -        &lt;span class=&quot;error&quot;&gt;&amp;#91;conn959063&amp;#93;&lt;/span&gt; \n\n***aborting after invariant() failure\n\n&lt;/p&gt;</description>
                <environment></environment>
        <key id="1987908">SERVER-63881</key>
            <summary>Input/output 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="zijun.tian@tusimple.ai">Zijun Tian</reporter>
                        <labels>
                    </labels>
                <created>Tue, 22 Feb 2022 18:33:43 +0000</created>
                <updated>Fri, 10 Jun 2022 13:07:24 +0000</updated>
                            <resolved>Thu, 17 Mar 2022 17:31:06 +0000</resolved>
                                    <version>4.2.11</version>
                                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4418836" author="JIRAUSER1257066" created="Thu, 17 Mar 2022 17:31:06 +0000"  >&lt;p&gt;Thank you for following up &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=zijun.tian%40tusimple.ai&quot; class=&quot;user-hover&quot; rel=&quot;zijun.tian@tusimple.ai&quot;&gt;zijun.tian@tusimple.ai&lt;/a&gt;, I&apos;ll now close this issue.&lt;/p&gt;

&lt;p&gt;If this issue occurs again, please attach the mongod.log files leading up to the failure.&lt;/p&gt;

&lt;p&gt;Best,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
                            <comment id="4418718" author="JIRAUSER1269666" created="Thu, 17 Mar 2022 16:58:59 +0000"  >&lt;p&gt;Hi Edwin,&lt;/p&gt;

&lt;p&gt;I believe the error was due to the bad disk volume, we have replaced it, thanks!&lt;/p&gt;</comment>
                            <comment id="4418213" author="JIRAUSER1257066" created="Thu, 17 Mar 2022 14:56:59 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=zijun.tian%40tusimple.ai&quot; class=&quot;user-hover&quot; rel=&quot;zijun.tian@tusimple.ai&quot;&gt;zijun.tian@tusimple.ai&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Have you been able to look at your &lt;tt&gt;syslog&lt;/tt&gt; or &lt;tt&gt;dmesg&lt;/tt&gt; to investigate any storage layer or i/o errors? If this is still an issue for you, would you please also attach log files leading to this failure?&lt;/p&gt;

&lt;p&gt;Best,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
                            <comment id="4371115" author="dmitry.agranat" created="Wed, 23 Feb 2022 12:08:42 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=zijun.tian%40tusimple.ai&quot; class=&quot;user-hover&quot; rel=&quot;zijun.tian@tusimple.ai&quot;&gt;zijun.tian@tusimple.ai&lt;/a&gt;, the reported &quot;Input/output error&quot; usually indicates an HW/OS issue. I suggest reviewing &lt;tt&gt;syslog&lt;/tt&gt; and &lt;tt&gt;dmesg&lt;/tt&gt; during the time of the reported event for any i/o errors.&lt;/p&gt;</comment>
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