HP Xw6200 Adaptec SCSI RAID 2120S: Software User's Guide - Page 69

Terminology

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Using the Command Line Interface ■ From the UNIX/Linux prompt To access the CLI from the UNIX/Linux prompt, display a window and type aaccli in any directory. When the system displays the CLI> prompt, you can use CLI commands. For the commands to work in any directory, the path in the startup file (.login or .cshrc) must include the directory where the software is installed. See your UNIX/Linux documentation for information on setting up directory paths in the .login and .cshrc files. Terminology For a complete discussion of terminology, see the Glossary in this guide. Table 4-1 lists and defines some terms used in this chapter and is presented here for your ease-of-use: Term container chunk freespace partition failover disk Table 4-1 Terminology Chart Preferred Term array stripe available space segment hot spare Definition A logical disk created from available space and made up of one or more segments on one or more physical disks. Contiguous set of data written to one segment before the controller moves to the next segment. Space on an initialized disk that is not in use. Contiguous area of a physical drive that makes up some or all of an array. Drive available to replace a failed component in an array. 4-3

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4-3
Using the Command Line Interface
■
From the UNIX/Linux prompt
To access the CLI from the UNIX/Linux prompt, display a
window and type
aaccli
in any directory. When the system
displays the
CLI>
prompt, you can use CLI commands. For the
commands to work in any directory, the path in the startup file
(
.login
or
.cshrc
) must include the directory where the
software is installed. See your UNIX/Linux documentation for
information on setting up directory paths in the
.login
and
.cshrc
files.
Terminology
For a complete discussion of terminology, see the
Glossary
in this
guide.
Table 4-1
lists and defines some terms used in this chapter
and is presented here for your ease-of-use:
Table 4-1
Terminology Chart
Term
Preferred Term
Definition
container
array
A logical disk created from
available space and made up of one
or more segments on one or more
physical disks.
chunk
stripe
Contiguous set of data written to
one segment before the controller
moves to the next segment.
freespace
available space
Space on an initialized disk that is
not in use.
partition
segment
Contiguous area of a physical drive
that makes up some or all of an
array.
failover disk
hot spare
Drive available to replace a failed
component in an array.