Raid faq

Table of contents
RAID capabilities on HP Workstation platforms ................................................................................................................ 3
What is RAID? ........................................................................................................................................................................ 3
 WhatarethebenetsofRAID? ......................................................................................................................................... 3
What terminology do I need to know? ............................................................................................................................. 3
 WhatRAIDcongurationsareavailable? ........................................................................................................................ 3
 WhatisthevalueofabatterybackedRAIDcontroller? ............................................................................................... 7
 Whatarethedierencesbetweenthe9217,9270&2308LSIcontrollers? ............................................................ 7
 WhatisthedierencebetweenhardwareRAID&softwareRAID? ........................................................................... 8
ControllerUsageSpecics ..................................................................................................................................................... 8
 WhatshouldIknowaboutthebuilt-incontrolleroptions? ......................................................................................... 8
 Whyisitrecommendedtouseanadd-incontrollercard(ROC)forRAID5? ........................................................... 8
 IsTRIMsupportedwhenusingRAIDwithSSDs? ........................................................................................................... 8
 Whatisthedierencebetweena6Gb/sSAScontrolleranda12Gb/sSAScontroller? ........................................ 9
 HowdoesperformancescalewithdrivesandRAIDlevel?.......................................................................................... 9
 WhatistheidealcombinationofdrivesusedinRAIDvolumes? ................................................................................ 9
How long does it take to initialize an array with high capacity disks? ....................................................................... 9
 WhyistheLSIRAID1initializationslowerthantheIntelRAID1initialization? ....................................................... 9
Setup ....................................................................................................................................................................................... 10
 WhatdocumentsdoIneedinordertounderstandtheRAIDprocess? .................................................................. 10
 HowdoIuseRAIDwithcachedevices? .........................................................................................................................10
 HowdoIRAIDHPZTurboDrivesinWindows? ............................................................................................................ 10
 HowdoIRAIDHPZTurboDrivesinLinux®? ................................................................................................................ 11
 CanIRAIDacrossSATAandsSATAcontrollers? ........................................................................................................... 11
FAQs
RAID
HP Workstations