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Avoiding access time update for inodes

If your applications do not depend on having the correct access time for files, you can disable the update of access time (atime) on an inode when a file is read.


Consider setting the no_atime_update option to on to prevent updates if your storage system has extremely high read traffic—for example, on a news server used by an Internet provider—because it prevents inode updates from contending with reads from other files.
Attention: If you are not sure whether your storage system should maintain an accurate access time on inodes, leave this option set at its default, off, so that the access time is updated.


  1. Enter the following command: vol options volname no_atime_update on