User Manual

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Vess R2000 Series Product Manual Promise Technologies
MakiNg baCkgrouNd aCtiVity settiNgs
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uncongured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speciedpattern,suchasallzeros
Redundancy Check – Checks, reports and can correct data inconsistencies in logical drives
Theratesaredened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