HP XP20000/XP24000 Referans Kılavuzu - Sayfa 5

Anahtar HP XP20000/XP24000 için çevrimiçi göz atın veya pdf Referans Kılavuzu indirin. HP XP20000/XP24000 46 sayfaları. Hp storageworks xp disk array configuration guide: vmware (a5951-96106, september 2010)
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1 Overview of SNMP

This chapter provides an overview of SNMP including an overview of the agent and management

functions:

"SNMP Manager Overview" (page 5)

"SNMP Agent Overview" (page 6)

"SNMP Manager Functions" (page 8)

Unless otherwise specified, the term storage system in this guide refers to the following disk arrays:

HP StorageWorks XP24000 Disk Array

HP StorageWorks XP20000 Disk Array

The GUI illustrations in this guide were created using a Windows computer with the Internet Explorer

browser. Actual windows may differ depending on the operating system and browser used. GUI

contents also vary with licensed program products, storage system models, and firmware versions.

The following figure shows an SNMP environment.

Figure 1 SNMP Environment

SNMP is an industry-standard protocol for managing and monitoring network devices, including

disk devices, routers, and hubs. SNMP uses SGMP to manage the TCP/IP gateways.

The standardized configuration and database of network management information is called a

MIB. A standard MIB is common to all SNMP interfaces. An extension MIB is defined by the

particular managed device or protocol.

An SNMP manager monitors the devices, which are referred to as managed nodes. The primary

types of interaction between the SNMP manager and an SNMP agent are polling and trap.

Typically, the SNMP manager polls the SNMP agents on a periodic basis, to determine whether

the device is operating normally. If an abnormal event occurs, the SNMP Agent can report the

condition without a request from the manager, by using a message called trap.

When an SNMP Manager polls the agent, the following dialog takes place:

An SNMP manager sends a request packet to an SNMP agent, which requests data regarding

the status of managed node.

The SNMP agent sends a response packet back to the SNMP manager.

SNMP Manager Overview