Running Media Patrol On A Disk Array; Running Pdm On A Disk Array - Promise Technology Network Device EX4650 User Manual

Running Media Patrol on a Disk Array

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 133 and "Running PDM" on page 135.
You can schedule Media Patrol to run automatically, see "Scheduling an Activity"
on page 135.
To start Media Patrol:
1. Click the Subsystem
2. Click the Disk Arrays
3. Click the Disk Array
4. From the dropdown menu on the Background Activities tab, choose Start
Media Patrol.
5. Click the Start button.

Running PDM on a Disk Array

Predictive Data Migration (PDM) migrates data from the suspect physical drive to
a spare physical drive, similar to Rebuilding. But unlike Rebuilding, PDM acts
before the disk drive fails and your Logical Drive goes Critical.
See "Predictive Data Migration (PDM)" on page 248.
To start PDM:
1. Click the Subsystem
2. Click the Disk Arrays
3. Click the Disk Array
4. From the dropdown menu on the Background Activities tab, choose Start
PDM.
5. 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.
6. Click the Start button.
Chapter 5: Management with WebPAM PRO
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