Terminology; Command Conventions; Formatting Conventions - IBM System Storage N3700 Hardware And Service Manual

Terminology

In this and other IBM N series documents, the term filer or storage system
describes IBM N series models that either contain internal disk storage or attach to
the disk storage expansion units specifically designed for the IBM N series storage
systems.
Note: In previous releases, the EXN2000 expansion unit was referred to as the
This guide uses the following terms:
v AT-FCX refers to the controller module of the serial advanced technology
v Active-Active configuration (sometimes referred to as clustered configuration)
v CPU module refers to the system controller module that executes the software
v Device carrier refers to the container that encases a fan/power supply unit or a
v Disk applies to any hard disk drive.
v Disk shelf or expansion unit refers to any shelf or expansion unit containing hard
v ESH2 refers to the controller module of the fibre-channel disk storage expansion
v Loop refers to the daisy-chained disk shelves (expansion units) connected to an
v Node refers to a CPU module when used in an active-active (clustered)
v System and storage system refer to the N3700 storage system (filer), either by
v SES refers to SCSI enclosure services.

Command conventions

You can enter commands on the system console or from any client that can obtain
access to the storage system using a Telnet session. In examples that illustrate
commands executed on a UNIX
might differ, depending on your version of UNIX.

Formatting conventions

The following table lists different character formats used in this guide to set off
special information.
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IBM System Storage N series: N3700 Hardware and Service Guide
EXP600 expansion unit.
attachment (SATA) storage expansion unit (EXN1000).
refers to a High Availability system with at least two nodes that share resources
to provide redundancy.
on an N3700. The CPU modules are at the rear-center of the N3700 storage
system.
disk.
disk drives.
unit (EXN2000).
N3700 storage system.
configuration.
itself or with additional disk shelves.
®
workstation, the command syntax and output