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By default, this is set to 24-hours.
Access time should be set relative to the customer’s workflow requirement. In general, anything less than one day is not required since SmartPools does not run more than once per day by default.
If planning on using atime, the use of a 24-hour precision is recommended to prevent performance problems.
Use the standard option in the WebUI to update this tunable.
This metric that can be difficult to validate. The effect on the system results in less filesystem updates since metadata reads no longer need a metadata update. There may be a noticeable effect when observing disk activity before and after the change, but there are many attributes that affect the impact: