HP XP P9500 Storage User Manual

Page 625

Advertising
background image

F

failback

A function for placing the status of a path recovered from an error into the Online

status, and then switching the access path to the path that was just recovered.

failover

A function for switching to another normal path if there is an error in the current access

path, thereby enabling the system to continue to operate.

FC-SAN (Fibre Channel - Storage Area Network)

A SAN using Fibre Channel.

H

HBA (Host Bus Adapter)

Device that functions as an interface connecting a host with external devices.

In this manual, the term HBA refers to an interface card installed in a host, in

configurations where the host and storage units are connected via a FC connection.

HDLM alert driver

A program that receives information about an error detected by the HDLM driver, and

then reports the error information to the HDLM manager.

HDLM driver

A program that controls all the HDLM functions, manages paths, and detects errors.

HDLM manager

A program that manages error information. The HDLM manager receives error

information from the HDLM alert driver and then collects error logs.

host

A generic term for both servers and clients.

host device

A logical area in a host LU.

(See also: host LU, host device name)

host device name

A name assigned to a host device. A name of the logical device file for an HDLM device

is assigned to a host device name.

host LU

An LU that a host recognizes. The actual HDev entity is a Dev in the storage system.

Each host LU has a host LU number.

#

A B C D E

F

G

H

I

J

K

L

M

N O P Q R S

T

U V W

X

Y

Z

Glossary-3

Hitachi Dynamic Link Manager User Guide (for Linux(R))

Advertising
This manual is related to the following products: