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Promise Technology Vess A6600 User Manual

Promise Technology Vess A6600
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44
PDm
Predictive Data Migration (PDM) is the migration of data from the suspect physical drive to a spare drive,
similar to rebuilding a logical drive. But unlike Rebuilding, PDM constantly monitors your physical drives and
automatically copies your data to a spare drive before the physical drive fails and your logical drive goes Critical.
PDM Settings
To change PDM setting the in Background Activities Settings menu:
1. Click the PDM Rate drop-down 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.
2. Highlightthecurrentvaluesintheblockthresholdeldsandinputnewvalues.
Reassigned Block Threshold range is 1 to 512 blocks.
Error Block Threshold range is 1 to 2048 blocks.
3. Click the Submit button.
trAnsition
Transition is the process of replacing a revertible spare drive that is currently part of a disk array with an
unconguredphysicaldriveoranon-revertiblesparedrive.
Transition Rate
To change Transition Rate setting the in Background Activities Settings menu:
1. Click the Transition Rate drop-down 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.
2. Click the
Conrm
button.
Managing with the Web ManagerVess A6000 Series Storage Appliance for Video Surveillance

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Promise Technology Vess A6600 Specifications

General IconGeneral
BrandPromise Technology
ModelVess A6600
CategorySecurity System
LanguageEnglish