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SuperTrak EX Series User Manual
4.
Highlight the following PDM trigger settings and type a value into the
corresponding field:
•
Reassigned Block Threshold – 1 to 512 blocks
•
Error Block Threshold – 1 to 1024 blocks
5.
Check to enable or uncheck to disable the following functions:
•
Media Patrol – Checks the magnetic media on physical drives
•
Auto Rebuild – If there is a spare drive of adequate capacity, a critical
disk array will begin to rebuild automatically. If not spare drive is
available, the disk array will begin to rebuild as soon as you replace the
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
2.
From the dropdown menu on the Background Activities tab, choose one of
the following activities:
•
Media Patrol – See "Running Media Patrol" on page 134
•
Rebuild – See "Rebuilding a Disk Array" on page 162
•
PDM – See "Running PDM" on page 135
•
Transition – See "Transitioning a Disk Array" on page 164
•
Initialization – See "Initializing a Logical Drive" on page 169
•
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 133 and "Running PDM" on page 135.
You can schedule Media Patrol to run automatically, see "Scheduling an Activity"
on page 135.
To run Media Patrol:
1.
In Tree View, click the Subsystem
2.
From the dropdown menu on the Background Activities tab, choose Start
Media Patrol.
icon.
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