Pegasus R6, R4 Product Manual
36
PDM can be triggered automatically by Media Patrol. Also see “Running PDM on
a Logical Drive” on page 66 and “PDM” on page 73.
Making PDM Settings
To make PDM settings:
1. From the Admin menu, choose Background Activities.
2. Click the Settings button.
3. Make the following settings are required:
• Click the PDM Rate dropdown menu and choose a rate:
• Low – Fewer system resources to PDM, more to data read/write
operations.
• Medium – Balances system resources between PDM and data
read/write operations.
• High – More system resources to PDM, fewer to data read/write
operations.
• Highlight the current values in the block threshold fields and input new
values.
Reassigned block threshold range is 1 to 512 blocks.
Error block threshold range is 1 to 2048 blocks.
4. Click the Confirm button.
5. Click the X icon to close the background activities panel.
Transition
Transition is the process of replacing a revertible spare drive that is currently part
of a disk array with an unconfigured physical drive or a non-revertible spare drive.
See “Running a Transition on a Spare Drive” on page 71 and “Transition” on
page 93.
Making Transition Settings
To make Transition settings:
1. From the Admin menu, choose Background Activities.
2. Click the Settings button.
3. Click the Transition Rate dropdown menu and choose a rate:
• Low – Fewer system resources to Transition, more to data read/write
operations.
• Medium – Balances system resources between Transition and data
read/write operations.
• High – More system resources to Transition, fewer to data read/write
operations.
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