Product manual

Chapter 4: Management with WebPAM PROe
73
Transition – See “Transitioning a Disk Array” on page 165
Initialization – See “Initializing a Logical Drive” on page 170
Redundancy Check – See “Running Redundancy Check” on page 170
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 71 and “Running PDM” on page 73.
You can schedule Media Patrol to run automatically, see “Scheduling an Activity”
on page 74.
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 165.
Also see “Predictive Data Migration (PDM)” on page 361.
To run PDM:
1. In Tree View, click the Subsystem icon.
2. In Management View, click the Background Activities tab and choose Start
Media Patrol from the dropdown menu.
3. In the next screen, choose 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.