Promise Technology 2-Year Extended Warranty for VessR2000 RAID Head - Manual (Page 521)

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Vess R2000 Series Product Manual Promise Technologies
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From the Main Menu, highlight Background Activities and press Enter .
Highlight Background Activity Settings and press Enter .
Highlight following and press the spacebar to toggle between Enabled and Disabled .
Media Patrol – Checks the magnetic media on physical drives
Auto Rebuild – When enabled and no spare drive is available, the disk array begins to rebuild as soon as you
replace the failed physical drive with an unconfigured physical drive of equal or greater size
Highlight following and press the spacebar to toggle through Low, Medium, and High rates:
Rebuild – Rebuilds data to a replacement physical drive in a disk array
Migration – Change RAID level or add physical drives to disk arrays
PDM – Migrates data from a suspect physical drive to a replacement drive in a disk array
Transition – Returns a revertible spare drive to spare status
Synchronization – Checks the data integrity on disk arrays
Initialization – Full initialization sets all data bits in the logical drive to a specified pattern, such as all zeros
Redundancy Check – Checks, reports and can correct data inconsistencies in logical drives
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.
Highlight the following PDM trigger settings and press the backspace key to erase the current value:
BBM Threshold – 1 to 2048 reassigned blocks
Media Patrol Threshold – 1 to 2048 error blocks