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MS-9156 ATX Server Board
The RAID signature on the disk allows the RAID controller to identify whether
or not the disk was initialized on the controller it is currently connected to.
H
hard disk drive
Basic unit of nonvolatile, nonremovable, magnetic storage media. See also
disk.
hot swap
To remove a component from a system and install a new component while the
power is on and the system is running.
I
impacted
An impacted array is one which has been created but for some reason the initial
build operation did not complete. All member drives are present and operational,
and all data written to the array is protected. To optimize the array, run a Verify
with Fix Task.
initialize
Process of preparing a disk for use by the controller. When a disk is initialized,
the controller records the RAID signature on the disk.
initialized array
An array that is ready for data reads and writes. Arrays can be initialized by
build or clear.
L
legacy disk
Disk that contained a valid partition table when connected to the controller.
The controller manages the disk as a legacy disk array where there is a one-to-
one logical-to-physical mapping of array to disk.
logical device
Volume comprised of space from one or more physical drives and presented to
the operating system as if it were a single storage unit.
low-level format
Process performed by the drive firmware that completely cleans any data off
the hard disk.
B-32
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