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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-9235] Better messaging/logging when disks are inaccessible</title>
                <link>https://jira.mongodb.org/browse/SERVER-9235</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We ran into a bad problem with EBS volumes becoming intermittently inaccessible.   The following stacktrace occurs and MongoDB shuts down.  Better messaging in the logs would help users diagnose this problem faster.&lt;/p&gt;

&lt;p&gt;I believe this can be recreated by unmounting a drive while MongoDB is running:&lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;</description>
                <environment>Ubuntu/AWS/EBS</environment>
        <key id="70697">SERVER-9235</key>
            <summary>Better messaging/logging when disks are inaccessible</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="jason.zucchetto">Jason Zucchetto</reporter>
                        <labels>
                    </labels>
                <created>Thu, 4 Apr 2013 05:42:55 +0000</created>
                <updated>Wed, 10 Dec 2014 23:06:00 +0000</updated>
                            <resolved>Thu, 4 Apr 2013 11:40:22 +0000</resolved>
                                    <version>2.2.3</version>
                                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="431993" author="jnonon" created="Thu, 26 Sep 2013 19:39:08 +0000"  >&lt;p&gt;The Bad News:&lt;br/&gt;
--------------------&lt;br/&gt;
I am having the same issue while doing a map reduce operation in a single node. &lt;br/&gt;
If I use a smaller data set, the operation finishes as expected. However, when the data set passes 2 Million records, the server crashes at the end of the map reduce operation.&lt;br/&gt;
Running on a VM with:&lt;br/&gt;
OS: CentOS release 6.4 (Final)&lt;br/&gt;
RAM: 8GB&lt;br/&gt;
Disk Space: 200GB&lt;br/&gt;
MongoDB Version: v2.4.6 (b9925db5eac369d77a3a5f5d98a145eaaacd9673)&lt;br/&gt;
Here is the output log: &lt;a href=&quot;https://gist.github.com/jnonon/a0c7f6301b14f3ca4fea&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://gist.github.com/jnonon/a0c7f6301b14f3ca4fea&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;The Good News:&lt;br/&gt;
----------------------&lt;br/&gt;
After setting the option nojournal=true on the configuration file, the map reduce task was able to be completed. &lt;/p&gt;

&lt;p&gt;The Question:&lt;br/&gt;
------------------&lt;br/&gt;
Is there any option to fix this issue without disabling the journal file? Thanks in advance for your help.&lt;/p&gt;</comment>
                    </comments>
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