Connection Operation Mode; Figure 5.20 Host Response (Connection Operation Mode) - Fujitsu ETERNUS DX80 S2 Overview

Disk storage system

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Cli user's manual (756 pages)

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Chapter 5 Basic Functions

5.5 Operation Monitoring

5.5.5

Connection Operation Mode

The response from the ETERNUS DX Disk storage system can be optimized by switching the setup information

of the host response for each connected server.

The server requirements of the supported functions, LUN addressing, and the method for command responses

vary depending on the connection environments such as the server OS and the driver that will be used. A

function that handles differences in server requirements is supported. This function can specify the

appropriate operation mode for the connection environment and convert host responses that respond to the

server in the ETERNUS DX Disk storage system.

The host response settings can be specified for the server or the port to which the server connects. Refer to

"User's Guide -Server Connection-" for details on the settings.

Figure 5.20 Host response (connection operation mode)

AIX mode

Monitoring time

Response status

Command response

Conversion pattern

Monitoring time

Response status

Conversion pattern

•

If the host response settings are not set correctly, a volume may not be recognized or the desired

performance may not be possible. Make sure to select appropriate host response settings.

•

The maximum number of volumes (number of LUNs that are set) that can be recognized by the server

varies depending on the connection operation mode of the host response settings. The volume settings

to allow each server to access the volume can be performed in the host response settings. For details on

the function, refer to

AIX mode

Host response settings (for Server B)

HP-UX mode

Command response

Monitoring time

.....

Command response

Host response settings (for Server A)

Response status

.....

Convert

Conversion pattern

.....

Monitoring time

Convert

.....

Response status

.....

Conversion pattern

"5.2.3 Host Affinity" (page

ETERNUS DX80 S2/DX90 S2 Disk storage system Overview

Host response settings (for Server A)

Command response

Monitoring time

Command response

Convert

Response status

Monitoring time

.....

Conversion pattern

Response status

.....

Command response

Conversion pattern

.....

Server A

Server B

ETERNUS DX Disk storage system

54).

.....

Server C

P3AM-4812-11ENZ0

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Connection Operation Mode; Figure 5.20 Host Response (Connection Operation Mode) - Fujitsu ETERNUS DX80 S2 Overview

Connection Operation Mode

Figure 5.20 Host response (connection operation mode)

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