HP Dc5850 AHCI and RAID on HP Compaq dc5850 Business PCs - Page 3

Purpose, Minimal HDD Required - raid

Page 3 highlights

INF JBOD LD MDD Migration NCQ Option ROM PCI PCIe PnP RAID ROM SATA Strip Stripe Information file (.inf) used by Microsoft operating systems that support the Plug & Play feature. When installing a driver, this file provides the operating system needed information about driver filenames, driver components, and supported hardware. Just a Bunch of Drives Logical Drive Meta Data, i.e. previous RAID configuration information Term used to describe the movement of data from one configuration or usage model to another. Native Command Queuing. Third-party module that is loaded by the System BIOS which provides extended support for a particular piece of hardware. The RAID Option ROM provides boot support for RAID volumes as well as a user interface for managing and configuring the system's RAID volumes. Peripheral Components Interface. PCI express. A serial version of PCI. Plug and Play. Redundant Array of Independent Disks. Read Only Memory. Serial ATA. Set of data on a single hard drive in a RAID 0 volume. Group of all strips going horizontally across all the hard drive members of a RAID 0 volume. Table 2 RAID Drives Mode Purpose RAID 0 Striped for Performance. RAID 1 Mirrored for Protection. RAID 0 + 1 Mirrored and Striped. * Not supported on HP Compaq dc5850 Business PCs. Minimal HDD Required 2 2 4* 3

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Table 2
RAID Drives
INF
Information file (.inf) used by Microsoft operating systems that support the Plug & Play feature.
When installing a driver, this file provides the operating system needed information about driver
filenames, driver components, and supported hardware.
JBOD
Just a Bunch of Drives
LD
Logical Drive
MDD
Meta Data, i.e. previous RAID configuration
information
Migration
Term used to describe the movement of data from one configuration or usage model to another.
NCQ
Native Command Queuing.
Option ROM
Third-party module that is loaded by the System BIOS which provides extended support for a
particular piece of hardware. The RAID Option ROM provides boot support for RAID volumes as
well as a user interface for managing and configuring the system’s RAID volumes.
PCI
Peripheral Components Interface.
PCIe
PCI express. A serial version of PCI.
PnP
Plug and Play.
RAID
Redundant Array of Independent Disks.
ROM
Read Only Memory.
SATA
Serial ATA.
Strip
Set of data on a single hard drive in a RAID 0 volume.
Stripe
Group of all strips going horizontally across all the hard drive members of a RAID 0 volume.
Mode
Purpose
Minimal HDD Required
RAID 0
Striped for Performance.
2
RAID 1
Mirrored for Protection.
2
RAID 0 + 1
Mirrored and Striped.
4*
* Not supported on HP Compaq dc5850 Business PCs.