IBM 59P5712 manual Scan Fibre Channel devices, Fibre Channel disk utility

Table 5. Connection options

Option	Type of connection
0	Loop only
1	Point-to-point only
2	Loop preferred; otherwise, point-to-point
3	Point-to-point; otherwise, loop

NonParticipating hard ID: This setting is reserved. The default is Disabled.

Class 2 service: Enables Class 2 service parameters to be provided during all automatic logins (loop ports). The default is Disabled.

ACK0: Determines the type of acknowledgment (ACK) used. When this option is set to Enabled, sequence ACK is used. When this option is set to Disabled, frame ACK is used. The default is Disabled.

Note: You must enable the Class 2 service setting to use the ACK0 setting.

Fibre Channel tape support: This setting is reserved for Fibre Channel tape support. The default is Disabled.

Fibre Channel confirm: This setting is reserved for Fibre Channel tape support. The default is Disabled.

Command reference number: This setting is reserved for Fibre Channel tape support. The default is Disabled.

Read transfer ready: This setting is reserved. The default is Disabled.

Response timer: Contains the value (in 100-microsecond increments) used by a timer to limit the wait time for accumulating multiple responses. For example, if this field is 8, the time limit is 800 microseconds. The default is 0.

Interrupt delay timer: Contains the value (in 100-microsecond increments) used by a timer to set the wait time between accessing (DMA) a set of handles and generating an interrupt. The default is 0.

Scan Fibre Channel devices

Use this option to scan the Fibre Channel loop and list all the connected devices by loop ID. Information about each device is listed, for example, vendor name, product name, and revision. This information is useful when configuring your IBM FAStT Host Adapter and attached devices.

Fibre Channel disk utility

Use this option to scan the Fibre Channel loop bus and list all the connected devices by loop ID. You can select a disk device and perform a low-level format or verify the disk media.

Attention: Performing a low-level format removes all data on the disk.

28FAStT Host Adapter Installation and User's Guide