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Unlike Synchronization and Redundancy Check, Media Patrol is concerned with
the condition of the media itself, not the data recorded on the media.
To enable Media Patrol, do the following:
1.
Under the Subsystem Modify Parameters menu, select MP / PDM
Configuration.
2.
Check the Enable/Disable Media Patrol box.
3.
Set the Polling Interval to a maximum of 30 seconds.
Polling interval is how often Media Patrol polls individual disk drives.
4.
Set the Round Interval to a maximum of 12 hours.
Round interval is how often Media Patrol conducts a check of all disk drives.
5.
Click the Submit button when you are done.
While Media Patrol is running, you will have full access to your Logical Drives.
This operation runs in the background and invisible to the user.
PDM
Preventive Data Migration (PDM) scans the bad sector remapping table of the
disk drives assigned to a Logical Drive. Because data would be lost if written to a
bad sector, as each bad sector is detected, the disk drive creates a map around
it. These maps are saved in the bad sector remapping table.
When the table fills to a specified percentage of its capacity, PDM triggers a
migration of data from the suspect drive (the disk drive with the bad sectors) to a
Chapter 4: Management with WebPAM PRO
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