Promise Technology Network Device EX8654 - Manual (Page 147)

Chapter 5: Management with WebPAM PRO
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Viewing Current Background Activities
To view the current background activities:
1. Click the Subsystem icon in Tree View.
2. Click the Background Activities tab in Management View.
A list of current background activities appears, including:
•
Rebuild
• PDM – Predictive Data Migration
• Synchronization
• Redundancy Check
• Migration
• Transition
• Initialization
• Media Patrol
Making Background Activity Settings
To make settings for background activities:
1. In Tree View, click the Subsystem icon.
2. From the dropdown menu on the Background Activities tab, choose Settings.
3. Click the dropdown menu to choose a priority of Low, Medium, or High for
the following functions:
•
Rebuild
– Rebuilds the data from a failed drive in a disk array
•
Synchronization
– Checks the data integrity on disk arrays
•
Initialization
– Sets all data bits in the logical drive to zero
•
Redundancy Check
– Checks, reports and can correct data
inconsistencies in logical drives
•
Migration
– Change RAID level or add physical dries to disk arrays
•
PDM
– Looks for bad blocks the physical drives of disk arrays
•
Transition
– Returns a revertible spare drive to spare status
The rates are defined as follows:
•
Low
– Fewer resources to activity, more to data read/write.
•
Medium
– Balance of resources to activity and data read/write.
•
High
– More resources to activity, fewer to data read/write.