Dell 341-7212 User Guide - Page 82

the disks can attach directly to a system I/O bus controller.

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Page 82 highlights

device driver Software that allows the operating system to control a device such as a printer. Many devices do not work properly if the correct driver is not installed in the computer. Device ID A controller or physical disk property indicating the manufacturer-assigned device ID. Device Port Count A controller property indicating the number of ports on the controller. Disk Cache Policy A virtual disk property indicating whether the virtual disk cache is enabled, disabled, or unchanged from its previous setting. disk group A logical grouping of disks attached to a RAID controller on which one or more virtual disks can be created, such that all virtual disks in the disk group use all of the physical disks in the disk group. disk subsystem A collection of disks and the hardware that controls them and connects them to one or more controllers. The hardware can include an intelligent controller, or the disks can attach directly to a system I/O bus controller. fast initialization A mode of initialization that quickly writes zeroes to the first and last sectors of the virtual disk. This allows you to start writing data to the virtual disk immediately while the initialization is running in the background. fault tolerance Fault tolerance is the capability of the disk subsystem to undergo a single drive failure per disk group without compromising data integrity and processing capability. RAID levels 1, 5, 6, 10, 50, and 60 are fault tolerant. 82 Glossary

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82
Glossary
device driver
Software that allows the operating system to control a device such as a printer.
Many devices do not work properly if the correct driver is not installed in the
computer.
Device ID
A controller or physical disk property indicating the manufacturer-assigned
device ID.
Device Port Count
A controller property indicating the number of ports on the controller.
Disk Cache Policy
A virtual disk property indicating whether the virtual disk cache is enabled,
disabled, or unchanged from its previous setting.
disk group
A logical grouping of disks attached to a RAID controller on which one or more
virtual disks can be created, such that all virtual disks in the disk group use all of
the physical disks in the disk group.
disk subsystem
A collection of disks and the hardware that controls them and connects them to
one or more controllers. The hardware can include an intelligent controller, or
the disks can attach directly to a system I/O bus controller.
fast initialization
A mode of initialization that quickly writes zeroes to the first and last sectors of
the virtual disk. This allows you to start writing data to the virtual disk
immediately while the initialization is running in the background.
fault tolerance
Fault tolerance is the capability of the disk subsystem to undergo a single drive
failure per disk group without compromising data integrity and processing
capability. RAID levels 1, 5, 6, 10, 50, and 60 are fault tolerant.