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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-41450] Can not repair MongoDB</title>
                <link>https://jira.mongodb.org/browse/SERVER-41450</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Dear&#160;&lt;/p&gt;

&lt;p&gt;I got below message during repair mongodb, any idea ?&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;2019-06-01T16:04:52.645+0800 I STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Detected WT journal files. Running recovery from last checkpoint.&lt;br/&gt;
2019-06-01T16:04:52.645+0800 I STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; journal to nojournal transition config: create,cache_size=17G,session_max=20000,eviction=(threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),checkpoint=(wait=60,log_size=2GB),statistics_log=(wait=0),&lt;br/&gt;
2019-06-01T16:04:52.654+0800 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (-31802) &lt;span class=&quot;error&quot;&gt;&amp;#91;1559376292:654308&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;18993:0x7f7894659d80&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: unable to read root page from &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; WT_ERROR: non-specific WiredTiger error&lt;br/&gt;
2019-06-01T16:04:52.654+0800 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1559376292:654346&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;18993:0x7f7894659d80&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 has failed to open its metadata&lt;br/&gt;
2019-06-01T16:04:52.654+0800 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1559376292:654371&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;18993:0x7f7894659d80&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: This may be due to the database files being encrypted, being from an older version or due to corruption on disk&lt;br/&gt;
2019-06-01T16:04:52.654+0800 E STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; WiredTiger (0) &lt;span class=&quot;error&quot;&gt;&amp;#91;1559376292:654391&amp;#93;&lt;/span&gt;&lt;span class=&quot;error&quot;&gt;&amp;#91;18993:0x7f7894659d80&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: You should confirm that you have opened the database with the correct options including all encryption and compression options&lt;br/&gt;
2019-06-01T16:04:52.654+0800 I - &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; Assertion: 28718:-31802: WT_ERROR: non-specific WiredTiger error&lt;br/&gt;
2019-06-01T16:04:52.654+0800 I STORAGE &lt;span class=&quot;error&quot;&gt;&amp;#91;initandlisten&amp;#93;&lt;/span&gt; exception in initAndListen: 28718 -31802: WT_ERROR: non-specific WiredTiger error, terminating&lt;/p&gt;</description>
                <environment>Aws Linux</environment>
        <key id="786775">SERVER-41450</key>
            <summary>Can not repair MongoDB</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="eric.sedor@mongodb.com">Eric Sedor</assignee>
                                    <reporter username="gui">Hanrango</reporter>
                        <labels>
                            <label>issue</label>
                    </labels>
                <created>Sat, 1 Jun 2019 08:21:54 +0000</created>
                <updated>Wed, 5 Jun 2019 16:30:48 +0000</updated>
                            <resolved>Mon, 3 Jun 2019 22:07:22 +0000</resolved>
                                    <version>3.2.5</version>
                                                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="2272586" author="gui" created="Wed, 5 Jun 2019 16:30:21 +0000"  >&lt;p&gt;It works! thank you for your help and recommendation&lt;/p&gt;</comment>
                            <comment id="2269724" author="eric.sedor" created="Mon, 3 Jun 2019 22:06:57 +0000"  >&lt;p&gt;I&apos;ve attached a repair attempt of the files you provided as  &lt;span class=&quot;nobr&quot;&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/attachment/218844/218844_SERVER-41450_repair_attempt.tgz&quot; title=&quot;SERVER-41450_repair_attempt.tgz attached to SERVER-41450&quot;&gt;SERVER-41450_repair_attempt.tgz&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;. Please extract these files, replace them in your &lt;tt&gt;$dbpath&lt;/tt&gt;. Keep in mind this may not be successful, and that 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;To avoid a problem like 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;. MongoDB 4.0 offers improved repair capabilities.&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;Importantly, MongoDB 3.2 reached end of life in September 2018.&lt;/p&gt;</comment>
                            <comment id="2267895" author="gui" created="Sat, 1 Jun 2019 14:34:44 +0000"  >&lt;p&gt;Attached the wiredtiger.wt and wiredtiger.turtle for investigation &lt;/p&gt;</comment>
                    </comments>
                    <attachments>
                            <attachment id="218844" name="SERVER-41450_repair_attempt.tgz" size="45164" author="eric.sedor@mongodb.com" created="Mon, 3 Jun 2019 22:05:15 +0000"/>
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