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<para xmlns='http://docbook.org/ns/docbook' version='5.0' xml:lang='en'
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xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
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xsi:schemaLocation='http://docbook.org/ns/docbook
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http://docbook.org/xml/5.0/xsd/docbook.xsd'>
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In order to avoid directory database file corruption
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after crashes or power failures on Linux systems,
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enable file system write barriers
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and make sure that the file system journaling mode is ordered.
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For details on how to enable write barriers
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and how to set the journaling mode for data,
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see the options for your file system
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in the <command>mount</command> command manual page.
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</para>
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