Adaptec 2410SA User Guide - Page 101

Terminology, Accessing the CLI

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Command Line Interface (CLI) CLI commands enable you to automate testing or array creation in a production environment using Windows command scripts and Linux and UNIX shell scripts. This appendix describes briefly some of the commands available in the CLI. For a full description of all the CLI commands, refer to the CLI Software Reference Guide. Terminology Your Serial ATA adapter has the following restrictions with regard to CLI terminology and nomenclature: I Channel/LUN-Channel always equals 0; LUN always equals 0. I ID-"ID" always means "port." In other words, in the device ID format C:PT:L, where C represents Channel, PT represents Port, and L represents LUN, only the value for Port is used. The following terms are used in discussing the CLI: I Array, container-A logical disk created from available space and made up of one or more segments on one or more physical disks. I Stripe, chunk-Contiguous set of data distributed across all the disks in an array. A striped array distributes data evenly across all members in equal-sized sections called stripes. I Free or available space-Space on an initialized disk that is not in use. I Segment, partition-Contiguous area of a physical drive that makes up some or all of an array. I Hot spare, failover disk-A hard drive, an array member, that is not used in day-to-day data storage but is instead reserved for use as a replacement for one of the other drives in the array in the event of a failure. Additional RAID terms are defined in the Glossary. Accessing the CLI The method you use to access the CLI depends on the operating system, as described below. C-2

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C-2
Command Line Interface (CLI)
CLI commands enable you to automate testing or array creation in
a production environment using Windows command scripts and
Linux and UNIX shell scripts.
This appendix describes briefly some of the commands available in
the CLI. For a full description of all the CLI commands, refer to the
CLI
Software Reference Guide
.
Terminology
Your Serial ATA adapter has the following restrictions with regard
to CLI terminology and nomenclature:
■
Channel/LUN
—
Channel always equals 0; LUN always equals 0.
■
ID
—“
ID
”
always means
“
port.
”
In other words, in the device ID format
C:PT:L
, where C represents
Channel, PT represents Port, and L represents LUN, only the value
for Port is used.
The following terms are used in discussing the CLI:
■
Array, container
—
A logical disk created from available space and
made up of one or more segments on one or more physical disks.
■
Stripe, chunk
—
Contiguous set of data distributed across all the
disks in an array. A striped array distributes data evenly across
all members in equal-sized sections called
stripes
.
■
Free or available space
—
Space on an initialized disk that is not
in use.
■
Segment, partition
—
Contiguous area of a physical drive that
makes up some or all of an array.
■
Hot spare, failover disk
—
A hard drive, an array member, that
is not used in day-to-day data storage but is instead reserved for
use as a replacement for one of the other drives in the array in
the event of a failure.
Additional RAID terms are defined in the
Glossary
.
Accessing the CLI
The method you use to access the CLI depends on the operating
system, as described below.