The root file system must employ journaling or another mechanism ensuring file system consistency.

From Solaris 10 SPARC Security Technical Implementation Guide

Associated with IA controls: ECAR-3, ECAR-2, ECAR-1

Associated with: CCI-000553

SV-40021r1_rule The root file system must employ journaling or another mechanism ensuring file system consistency.

Vulnerability discussion

File system journaling, or logging, can allow reconstruction of file system data after a system crash, thus, preserving the integrity of data that may have otherwise been lost. Journaling file systems typically do not require consistent checks upon booting after a crash, which can improve system availability. Some file systems employ other mechanisms to ensure consistency which also satisfy this requirement.

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Implement file system journaling for the root file system, or use a file system using other mechanisms to ensure consistency. If the root file system supports journaling, enable it. If the file system does not support journaling or another mechanism to ensure consistency, a migration to a different file system will be necessary.

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