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    <title>MongoDB Jira</title>
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    <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-8314]  Starting MongoDB using snapshot data on PIOPS volumes on Amazon EC2 environment</title>
                <link>https://jira.mongodb.org/browse/SERVER-8314</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hi,&lt;/p&gt;

&lt;p&gt;We have a mongodb sharded cluster which was having a sharded database named &quot;mydb&quot; and loaded 333GB of data.&lt;br/&gt;
Once the total data is loaded, we have stopped all the mongod processes for shards, mongod processes for config servers and mongos process on all routers.&lt;br/&gt;
Then we have taken snapshots of all the volumes of the cluster. Then we have created volumes from the snapshots.&lt;br/&gt;
We have mounted volumes on the corresponding shards, config servers and started the processes.&lt;/p&gt;

&lt;p&gt;Observations:&lt;/p&gt;

&lt;p&gt;All the shards came up and the data is in tact. able to see the records present in the shards.&lt;br/&gt;
Then started config servers and routers. Router is able to add only shard1 and when tried to add other shards getting the following error message.&lt;/p&gt;

&lt;p&gt;mongos&amp;gt; db.runCommand(&lt;/p&gt;
{ addshard : &quot;shard2/10.10.10.10:27018&quot; }
&lt;p&gt;);&lt;br/&gt;
{&lt;br/&gt;
    &quot;ok&quot; : 0,&lt;br/&gt;
    &quot;errmsg&quot; : &quot;can&apos;t add shard shard2/10.10.10.10:27018 because a local database &apos;mydb&apos; exists in another shard1:shard1/10.10.10.1:27018,10.10.10.2:27018,10.10.10.3:27018&quot;&lt;br/&gt;
}&lt;/p&gt;



&lt;p&gt;Please let me know if we are missing anything here?&lt;/p&gt;


</description>
                <environment>linux</environment>
        <key id="63124">SERVER-8314</key>
            <summary> Starting MongoDB using snapshot data on PIOPS volumes on Amazon EC2 environment</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="4">Incomplete</resolution>
                                        <assignee username="barrie">Barrie Segal</assignee>
                                    <reporter username="krisant007">Santosh Kumar L</reporter>
                        <labels>
                    </labels>
                <created>Thu, 24 Jan 2013 09:22:16 +0000</created>
                <updated>Fri, 8 Mar 2013 15:55:24 +0000</updated>
                            <resolved>Sat, 16 Feb 2013 13:40:45 +0000</resolved>
                                    <version>2.2.2</version>
                                                    <component>Internal Code</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="248722" author="eliot" created="Thu, 24 Jan 2013 15:33:54 +0000"  >&lt;p&gt;addShard is only for new empty shard. &lt;br/&gt;
If you are doing a restore like this, you need to either restore the config servers or edit them manually.&lt;br/&gt;
You probably want to recover the collections and then just change the shard mappings.&lt;/p&gt;</comment>
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                            <customfieldvalue>&lt;p&gt;1.Setup a mongodb cluster on Amazon EC2 linux instances.&lt;br/&gt;
2. Once the cluster is up start the load on the db.&lt;br/&gt;
3. After the loading is completed stop all the mongo processes and take a snapshot of shard servers and config servers.&lt;br/&gt;
4. After snapshot is completed create new volumes and attach to the corresponding instances and start the cluster.&lt;/p&gt;
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