PERC 5 Features 15PERC 5 FeaturesThis section describes the features of the The Dell™ PowerEdge™ Expandable RAID Controller(PERC) 5 family of controllers, such as the configuration options, disk array performance, hardwarespecifications, redundant array of independent disks (RAID) management utilities, and operatingsystem software drivers.PERC 5 Controller FeaturesThis section describes the hardware configuration features for the PERC 5 controllers. Table 2-1compares the configurations for the controllers.Table 2-1. PERC 5 Controller ComparisonsSpecification PERC 5/E Adapter PERC 5/i Adapter PERC 5/i IntegratedRAID Levels 0, 1, 5, 10, 50 0, 1, 5, 10, 50 0, 1, 5, 10, 50Enclosures per Port Up to 3 enclosures N/A N/APorts 2 x4 external wide port 2 x4 internal wide port 2 x4 internal wide portProcessor Intel® IOP333 I/Oprocessor with IntelXScale TechnologyIntel IOP333 I/Oprocessor with IntelXScale TechnologyIntel IOP333 I/Oprocessor with IntelXScale TechnologyBattery Backup Unit Yes, Transportable Yesa YesCache Memory 256 MB DDR2 cachememory size256 MB DDR2 cachememory size256 MB DDR2 cachememory sizeCache Function Write-back, write-through, adaptiveread ahead, non-readahead, read aheadWrite-back, write-through, adaptiveread ahead, non-readahead, read aheadWrite-back, write-through, adaptiveread ahead, non-readahead, read aheadMaximum Number ofDrives per ArrayUp to 32 drives per array Up to 32 drives per array Up to 32 drives per arrayMaximum Number ofArrays per Disk GroupUp to 8 arrays (in aspanned configuration)Up to 8 arrays (in aspanned configuration)Up to 8 arrays (in aspanned configuration)Dell_PERC5_UG.book Page 15 Tuesday, February 13, 2007 6:02 PM
