Enterprise Volume Manager (Multi-OS) Version 2.0D Network Administration Guide

2–2 Enterprise Volume Manager (Multi-OS) Network Administration Guide
Introduction to EVM
• EVM server software, which runs on the management appliance
• EVM host agent software runs on the user’s host computer systems that are part of
the EVM network.
• Storage Element Manager, which runs on the management appliance
The EVM server manages the EVM network, manages EVM jobs, and provides the
Web browser interface to users. The EVM server is installed on an HP OpenView
Management Appliance. Another EVM component, called the EVM host agent, is
installed on host computers and participates in the EVM jobs created for volume
management. StorageWorks storage systems provide the storage that is used in EVM
jobs.
An EVM network is often a subset of an existing Fibre Channel storage area network
(SAN). The SAN consists of host computers, StorageWorks storage systems, and
switches that are connected by fiber optic cabling. The Fibre Channel carries storage
data transmitted between StorageWorks storage systems and host computers.
The computers in an EVM network are also connected by a Local Area Network
(LAN) and communicate with each other by a TCP/IP connection. The LAN carries
command and status data transmitted between network components.
The EVM network and its associated StorageWorks storage systems can be managed
remotely using a Web browser. From the Web browser the user logs in to the
management appliance and the EVM server and then has access to the EVM graphical
user interface (GUI).
What the Management Appliance Does
EVM server software runs on the HP OpenView Management Appliance. The
Management Appliance provides a centralized facility for managing and monitoring
SAN elements, including storage arrays. Management Appliance software includes
element managers for both HSG-based and HSV-based storage systems. The element
managers allow users to manage storage through GUI interfaces, which are accessed
through a Web browser.
IMPORTANT: To use EVM with HSV-based storage systems, you must separately enter (on the
EVM Configuration page) the same user name and password that you entered in the OSM
(Open SAN Manager) Account Login page. See the online Help/User Guide for HSV password
details.
EVM networks are accessible from systems that have an Internet Explorer or Netscape
Web browser (see Table 5–12 on page 5–13 for browser compatibility with host
operating systems).