Mylex eXtremeRAID Installation Guide download pdf (Page 115)

Configuration

Manual No. 771961 4-65

• The list of servers defined in the server groups for the client. All

duplicates are eliminated.

☛ Note

For a server to be found on the network, it must be

defined in a server group on the GAM client. The

server must be running the GAM server/driver

software.

• A connection to the server is attempted.

• For each controller on this server, send the magic command. The

WWN of the host, the controller, and partner controller are returned.

• An association between the IP address and the host WWN is made.

This information is used to construct the host list.

☛ Note

This determination process can take a long time. This

operation is performed the first time the Host to LUN

Mapping page is entered. This operation is not

repeated unless the Refresh Hosts button is activated.

Each row in the table identifies a host and each column identifies a logical

drive. An ‘X’ in the table connects a host with a logical drive. A ‘-’ means

the host is not connected. The connections are toggled by left clicking the

mouse on the entry. As entries change in the Host to Logical Drive Mapping

list, the Logical Drive to LUN Mapping information is updated.

The following rules are enforced:

• Logical drives may share LUNs as long as the same host does not

access both logical drives.

• The host to logical drive mapping can be made before assigning a LUN

to the logical drive. A LUN assignment can be made at any time. Only

valid LUN assignments are displayed in the LUN selection field.

• Host to logical drive mapping may be done without assigning any

hosts. Hosts may be assigned at any time.

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Mylex eXtremeRAID Installation Guide Page 115