## Glossary

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

## A

alarm
A message with an attached level of severity.

alert
A subtype of an event that requires user intervention. The term actionable event often describes an alert.

array
A disk subsystem, comprised of multiple disk drives, that functions as a single large, fast, super-reliable device. Arrays are designed to provide high performance, high availability, and increased storage capacity.

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## C

categories
Categories of devices to be monitored (for example: host|switch|tape|ve). Set using Maintain Hosts, `All` is the default

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## D

DAS
Direct Access Storage

diagnosis
A process to determine the fault cause and corrective action.

diagnostic
A test to uncover faults.

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## E

Ethernet hub
Hardware used to network computers together. Ethernet hubs serve as a common wiring point, enabling information to flow through one central location to any other computer in the network.

event
A notification that contains information about something that happened on a device. There are many types of events, and each type describes a separate occurrence.

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## F

fault coverage
The percentage of faults detected against all possible faults or against all faults of a given type.

fault detection
The ability of a diagnostic to uncover a fault, given that a fault exists.

Fibre Channel
A cost-effective gigabit communications link deployed across a wide range of hardware. Commonly used for SAN configurations.

Fibre Channel switch
A networking device that can send packets directly to a port associated with a given network address.

FRU
field-replaceable unit. An assembly that a manufacturer replaces on failure of an assembly component.

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## H

HTTP
HyperText Transfer Protocol.

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## I

IP
Internet Protocol.

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## L

LUN
logical unit number. The major and minor device numbers make up the logical unit numbering sequence for a particular device connected to a computer.

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## M

MAC Address
media access control. The physical address identifying an individual Ethernet controller board. The MAC address (another name for the Ethernet address) is fixed (assigned at the factory) and must map to the IP address of the device.

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## N

NSCC
Network Storage Command Center.

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## R

RAS
Reliability, availability, and serviceability.

remote monitoring
The ability to monitor the functionality and performance of a hardware system from a location other than where the hardware resides.

remote support
The ability to directly or indirectly troubleshoot, diagnose, and service computer hardware from a location other than where the hardware resides.

RSS
Remote Support System. Software delivered with the service processor bundle.

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## S

SAN
storage area network.

SCSI
Small Computer Systems Interface. An industry standard for connecting disk and tape devices to a workstation.

SES
SCSI Enclosure Services device. An interface to SCSI enclosure services devices. These devices sense and monitor the physical conditions within an enclosure, as well as enable access to the status reporting and configuration features of the enclosure (such as indicator LEDs on the enclosure).

SRS
Sun Remote Services (SRS) is Sun's portfolio of services, comprising SRS Event Monitoring and SRS NetConnect; customizable Sun storage self-management; and 24/7, proactive, mission-critical system monitoring by Sun.

Storage Service Processor
Sun's rack mountable Netra X1TM server, preconfigured with advanced remote management and monitoring capabilities. The service processor monitors the SAN and provides service and support access for Sun engineers.

Sun StorEdge 6120 array
Sun's hardware-based array, featuring Fibre Channel architecture that provides the basis for modular network storage.

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## T

t300 logfile
The location of the mirrored T3 logfiles.

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## U

UUCP
UNIX-to-UNIX Communication Protocol. UUCP is a protocol that transfers files, news, and mail, and it executes remote commands between UNIX machines.

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## V

Volume Verify

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