Users Guide
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Support For PERC 9 Hardware Controllers
The PowerEdge RAID Controller (PERC) family of enterprise-class controllers is designed for enhanced
performance, increased reliability and fault tolerance, and simplified management — providing a
powerful, easy-to-manage way to create a robust infrastructure and help maximize server uptime. The
introduction of the PERC 9 family of hardware controllers also brings about improvements in storage
solutions.
The new PERC 9 family of hardware controllers support the following storage enhancements:
• Support For RAID Level 10 Virtual Disk On PERC 9 Hardware Controller
• Support For Advanced Format 4KB Sector Hard-Disk Drives
• T10 Standard Protection Information (PI) - Data Integrity Field
NOTE: The order of the controllers displayed on Storage Management may differ with the order of
the controllers displayed in the Human Interface (HII) and PERC Option ROM. The order of the
controllers does not cause any limitation.
Support For RAID Level 10 Virtual Disk Creation On PERC
9 Hardware Controller
RAID Level 10 is a solution for users who require high performance and redundancy with quickest
recovery during drive failure. Though a RAID Level 10 setup is more expensive to maintain, it has several
benefits as it combines the properties of RAID Level 1 and RAID Level 0.
RAID Level 10 virtual disk creations with PERC 9 hardware controllers support Uneven Span feature.
When you create RAID Level 10 virtual disks with PERC 9 hardware controller the firmware suggests the
preferred span layout for the setup.
NOTE: A minimum of 4 physical disks and a maximum of 256 physical disks are allowed for a RAID
Level 10 virtual disk setup with PERC 9 hardware controllers.
You can create RAID Level 10 Virtual Disk on PERC 9 hardware controllers using the following Wizards :
• Express Wizard
• Advanced Wizard
NOTE:
The procedure for creating virtual disks on PERC 9 hardware controllers is the same as other
PERC hardware controllers.
Related Tasks
• Create Virtual Disk Express Wizard
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