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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-10440] snapshoting ebs volumes</title>
                <link>https://jira.mongodb.org/browse/SERVER-10440</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;I have three servers running on amazon aws. each host contains a config server, a mongos instance and a mongod which is part of replica set. All of them save data and logs to ebs RAID10 disc mounted on /ebs folder. Now if i want to take snap shot of the database i will go to on of the host running secondary and will lock the database, snapshot it and then will unlock it. My question is do i need to lock the config sever also? If yes how do i do that? Is it as usual as locking mongodb or not. The RAID consists of 4 discs&lt;br/&gt;
The above described is my actual question. But by searching over net and discussion on google groups i found if i am using journal there is no need to lock database. But my question is as i am taking snapshot of discs one after the other until all 4 are completed, how consistency is achieved while writes happen to other discs while i am taking snapshot&lt;/p&gt;</description>
                <environment>backing up ebs volume </environment>
        <key id="84844">SERVER-10440</key>
            <summary>snapshoting ebs volumes</summary>
                <type id="6" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14720&amp;avatarType=issuetype">Question</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="9">Done</resolution>
                                        <assignee username="stephen.steneker@mongodb.com">Stennie Steneker</assignee>
                                    <reporter username="kishore25kumar">kishore battula</reporter>
                        <labels>
                    </labels>
                <created>Tue, 6 Aug 2013 13:56:24 +0000</created>
                <updated>Wed, 10 Dec 2014 23:11:23 +0000</updated>
                            <resolved>Mon, 12 Aug 2013 10:49:09 +0000</resolved>
                                    <version>2.4.5</version>
                                                    <component>Admin</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="400875" author="stennie" created="Mon, 12 Aug 2013 10:49:09 +0000"  >&lt;p&gt;Hi Kishore,&lt;/p&gt;

&lt;p&gt;The SERVER project is for reporting bugs or feature suggestions for the MongoDB server.&lt;/p&gt;

&lt;p&gt;For MongoDB-related support discussion you should post on the mongodb-users group (&lt;a href=&quot;http://groups.google.com/group/mongodb-user&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://groups.google.com/group/mongodb-user&lt;/a&gt;) or Stack Overflow. &lt;/p&gt;

&lt;p&gt;I see that you &lt;a href=&quot;https://groups.google.com/forum/#!topic/mongodb-user/aPqFpPgHp5A&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;already posted this question&lt;/a&gt; on the mongodb-user group and there has been some discussion since the server issue was created.&lt;/p&gt;

&lt;p&gt;The MongoDB manual has complete instructions on &lt;a href=&quot;http://docs.mongodb.org/manual/core/backups/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Backup Strategies&lt;/a&gt; and how to &lt;a href=&quot;http://docs.mongodb.org/manual/tutorial/backup-sharded-cluster-with-filesystem-snapshots/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Create a Backup of a Sharded Cluster with Filesystem Snapshots&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;As per the documentation, you need to stop the balancer and shutdown one of the config servers to avoid metadata changes during the backup process.  This will give you an approximate point-in-time backup if you allow writes to continue while the backup snapshots are created.&lt;/p&gt;

&lt;p&gt;If anything seems unclear, I would suggest you continue your questions on the mongodb-user discussion thread you already started.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Stephen&lt;/p&gt;</comment>
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