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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-7861] Add marker file for journaling to ensure a clean restart</title>
                <link>https://jira.mongodb.org/browse/SERVER-7861</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When the journal files are wiped/truncated, like during fsync+lock, a marker file should be written so if a backup is made, or the server crashes, the server can automatically restart instead of complaining about a lock file but no journal files.&lt;/p&gt;

&lt;p&gt;There are many cases where this happens, like dropDatabase, moveChunk, and repair.&lt;/p&gt;

&lt;p&gt;This may be MMapV1 specific.&lt;/p&gt;</description>
                <environment></environment>
        <key id="58483">SERVER-7861</key>
            <summary>Add marker file for journaling to ensure a clean restart</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="scotthernandez">Scott Hernandez</reporter>
                        <labels>
                    </labels>
                <created>Thu, 6 Dec 2012 16:14:10 +0000</created>
                <updated>Tue, 6 Dec 2022 05:26:52 +0000</updated>
                            <resolved>Fri, 14 Sep 2018 20:12:12 +0000</resolved>
                                                                    <component>MMAPv1</component>
                    <component>Stability</component>
                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="363110" author="scotthernandez" created="Wed, 19 Jun 2013 04:21:01 +0000"  >&lt;p&gt;Yes, we flush all databases and delete the journal files.&lt;/p&gt;

&lt;p&gt;See the syncDataAndTruncateJournal function call in FSyncLockThread::doRealWork. This is also done when dropping a database or doing a repair (to any database).&lt;/p&gt;</comment>
                            <comment id="284401" author="milkie" created="Fri, 8 Mar 2013 16:13:41 +0000"  >&lt;p&gt;How does this process currently work &amp;#8211; do we delete the journal files and then preallocate them again, as part of the fsync command?&lt;/p&gt;</comment>
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