Promise Technology EX8650A User Manual

Page of 232
SuperTrak EX Series User Manual
110
failed physical drive with an unconfigured physical drive of equal or 
greater size.
6.
Click the Submit button to save your settings.
Running Background Activities
To run a background activity from the Background Activities tab:
1.
In Tree View, click the Subsystem 
 icon.
2.
From the dropdown menu on the Background Activities tab, choose one of 
the following activities:
3.
In the next screen, make the choices as requested.
4.
Click the Start button.
Running Media Patrol
Media Patrol checks the magnetic media on physical drives. When it finds the 
specified number of bad blocks, it will trigger PDM. See “Making Background 
Activity Settings” on page 109 
and “Running PDM” on page 110.
You can schedule Media Patrol to run automatically, see “Scheduling an Activity” 
on page 111.
To run Media Patrol:
1.
In Tree View, click the Subsystem 
 icon.
2.
From the dropdown menu on the Background Activities tab, choose Start 
Media Patrol
.
3.
In the next screen, click the Start button.
Running PDM
Predictive Data Migration (PDM) migrates data from the suspect physical drive to 
a spare disk drive, similar to Rebuilding. But unlike Rebuilding, PDM acts before 
the disk drive fails and your Logical Drive goes Critical. 
You an also run PDM on a specific disk array, see “Running PDM on a Disk 
Array” on page 140.