Lenovo ThinkServer RD230, Руководство пользователя программного обеспечения

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B-5
in a system that loads the full operating system from drive or from a
network and then passes control to the operating system.
foreign
configuration A RAID configuration that already exists on a replacement set of drives
that you install in a computer system. MegaRAID Storage Manager
software allows you to import the existing configuration to the RAID
controller, or you can clear the configuration so you can create a
new one.
formatting The process of writing a specific value to all data fields on a drive, to
map out unreadable or bad sectors. Because most drives are formatted
when manufactured, formatting is usually done only if a drive generates
many media errors.
hole In MegaRAID Storage Manager, a hole is a block of empty space in a
drive group that can be used to define a virtual drive.
host interface A controller property indicating the type of interface used by the
computer host system: for example,
PCIX .
host port count A controller property indicating the number of host data ports currently
in use.
host system Any computer system on which the controller is installed. Mainframes,
workstations, and standalone desktop systems can all be considered
host systems.
hot spare A standby drive that can automatically replace a failed drive in a virtual
drive and prevent data from being lost. A hot spare can be dedicated to
a single redundant drive group or it can be part of the global hot spare
pool for all drive groups controlled by the controller.
When a drive fails, MegaRAID Storage Manager software automatically
uses a hot spare to replace it and then rebuilds the data from the failed
drive to the hot spare. Hot spares can be used in RAID 1, 5, 6, 10, 50,
and 60 storage configurations.
initialization The process of writing zeros to the data fields of a virtual drive and, in
fault-tolerant RAID levels, generating the corresponding parity to put the
virtual drive in a Ready state. Initialization erases all previous data on the
drives. Drive groups will work without initializing, but they can fail a
consistency check because the parity fields have not been generated.