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16
1-4. Preventive Maintenance by Media Patrol and
Synchronization
Routine Media Patrol or Synchronization is recommended as the preventive maintenance against
subsequent defects of hard disk drives (called HDDs hereafter). These features allow subsequent defects of
HDDs to be found and repaired as soon as possible. Both the features can be performed routinely by using
the WebPAM scheduling feature.
For the detailed features of Media Patrol and Synchronization, see "Chapter 3 Features of Disk Array
Controller".
The recommended scheduling interval is once per week. Depending on the operation status of your system,
the scheduling interval should be at least once per month.
Check
To use the Media Patrol and Synchronization, WebPAM must be
installed.
By shipping default, the media patrol is scheduled to be executed on
every Wednesday at 0:00 for all the HDDs. You may change the
schedule according to your operating condition.
A "free" disk cannot be subject to media patrol. Thus it is recommended
to define a "free" disk as a hot-spare disk. Note, however, the disk which
has previously been configured as logical drive, can be subject to media
patrol even if it is in "free" status.
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