VTrak E-Class Product Manual - Promise Technology, Inc.

VTrak E-Class Product Manual
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 66 and “Running PDM” on page 68.
You can schedule Media Patrol to run automatically, see “Scheduling an Activity”
on page 69.
To run Media Patrol:
1. In Tree View, click the Subsystem icon.
2. From the dropdown menu on the Background Activities tab, select 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 131.
Also see “Predictive Data Migration (PDM)” on page 256.
To run PDM:
1. In Tree View, click the Subsystem icon.
2. In Management View, click the Background Activities tab and select Start
Media Patrol from the dropdown menu.
3. In the next screen, select the Source and Target physical drives.
The suspect physical drive is the source. The replacement physical drive is
the target.
4. Click the Start button.
Viewing Scheduled Activities
To view scheduled activities for this subsystem:
1. Click the Subsystem icon Tree View.
2. Click the Scheduler tab in Management View.
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