Promise Technology VESS A3340S Handleiding (243 Pagina's)

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Vess A Class Storage Appliance for Video Surveillance Promise Technology

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

Conrm

button.

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Bekijk gratis de handleiding van Promise Technology VESS A3340S, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.