Installing and Using the Navisphere Host Agent or Server Utility

Table 3-1

Differences between the Host Agent and the Server Utility

 

 

 

 

 

Function

 

Host Agent

Server Utility

 

 

 

 

 

 

AX-Series

CX-Series

 

 

 

 

 

 

 

 

Pushes LUN mapping

Yes – LUN mapping

Yes – LUN mapping information

No – LUN mapping information

and OS information to

information displays in the

displays in the Manager UI, next to

is not sent to the storage

the storage system.

Manager UI, next to the

the LUN icon, or with the CLI

system. Only the host’s name,

 

LUN icon, or with the CLI

using the -lunmapinfocommand.

ID, and IP address are sent to

 

using the -lunmapinfo

Note: The text Manually

the storage system.

 

command.

Registered appears next to the

Note: The text Manually

 

 

 

host name icon in the Manager UI

Registered appears next to

 

 

 

indicating that the Host Agent is

the host name icon in the

 

 

 

not installed on this server.

Manager UI indicating that the

 

 

 

 

Host Agent is not installed on

 

 

 

 

this server.

 

 

 

 

Runs automatically to

Yes – No user interaction is

Yes and No – You can control

Yes and No – You can control

send information to the

required.

whether server information is

whether server information is

storage system.

 

 

automatically sent to the storage

automatically sent to the storage

 

 

 

system by enabling or disabling

system by enabling or disabling

 

 

 

the Registration Service

 

 

 

the Registration Service feature.

 

 

 

feature. It is automatically

 

 

 

It is automatically enabled during

 

 

 

enabled during the installation of

 

 

 

the installation of the Server Utility

 

 

 

the Server Utility but you can

 

 

 

but you can stop the service at

 

 

 

stop the service at anytime

 

 

 

anytime through the Services

through the Services option in

 

 

 

option in the Microsoft UI.

the Microsoft UI. However, there

 

 

 

 

is no benefit in enabling the

 

 

 

 

Registration Service on a

 

 

 

 

server connected to a CX-Series

 

 

 

 

system, since LUN mapping

 

 

 

 

information is not sent.

 

 

 

 

Requires network

Yes – Network connectivity

No – LUN mapping information is

No – LUN mapping information

connectivity to the

allows LUN mapping

sent through a data path to the

is not sent to the storage

storage system.

information to be available

storage system.

system.

 

to the storage system.

 

 

 

 

 

 

Requires installation.

Yes – You must install the

No – You can run the Server Utility

No – You can run the Server

 

Host Agent on the server.

from the CD. However, we

Utility from the CD. However, we

 

 

 

recommend that you install it on

recommend that you install it on

 

 

 

the server. You must install it to

the server. You must install it to

 

 

 

use the Registration Service

use the Registration Service

 

 

 

feature (described above).

feature (described above).

 

 

 

 

 

Determining which application to install

3-3

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EMC CLARiiON manual Function Host Agent Server Utility AX-Series CX-Series
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CLARiiON specifications

EMC CLARiiON is a storied name in the realm of data storage solutions, renowned for its reliability, scalability, and advanced features. As a part of EMC's pioneering approach to enterprise storage, CLARiiON systems are designed to meet the demands of businesses ranging from small enterprises to large data centers.

One of the standout features of EMC CLARiiON is its support for both Fibre Channel and iSCSI protocols, which allows for versatile deployment options in various network environments. This dual-protocol capability is key in enabling organizations to leverage existing network infrastructures while providing the flexibility to scale as needed.

The architecture of CLARiiON is built on a modular design, featuring a series of storage processors, also known as storage controllers. This design not only enhances performance but also allows for easy upgrades and expansions. The use of RAID (Redundant Array of Independent Disks) technology ensures data redundancy and integrity, offering a variety of RAID levels to cater to specific performance and data protection needs.

EMC CLARiiON also integrates advanced data management features such as online capacity expansion, which enables administrators to add drives without disrupting operations. This is complemented by the system's support for thin provisioning, which allows for more efficient use of storage space, presenting only the amount of storage that is actually being used.

One notable technology employed by CLARiiON is the Storage Resource Management (SRM) suite, which provides powerful tools for monitoring, reporting, and managing storage usage and performance. This suite enables IT teams to optimize their storage investments by identifying trends and potential issues before they affect service levels.

Another critical aspect is the inclusion of automatic load balancing features, which help distribute workloads evenly across available storage resources. This promotes optimal performance and reduces the risk of bottlenecks during peak usage times. Additionally, the snapshot technology embedded in CLARiiON offers users the ability to create point-in-time copies of data, facilitating rapid recovery in the event of data loss or corruption.

Lastly, EMC CLARiiON systems are designed with high availability in mind. They often feature redundant components and advanced failover capabilities to ensure seamless operations. With these characteristics, EMC CLARiiON stands as a robust solution for organizations seeking to enhance their data storage strategy, driven by cutting-edge technology and tailored to meet diverse business requirements.
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