24 Installation Guide (AA-RTDWE-TE, November 2005)

Table Of Contents

Using the HAFM Basic interface76

Configuring Edge Switch parameters

Perform this procedure to configure the following Edge Switch and fabric operating parameters:

Buffer-to-Buffer Credit (BB_Credit), Error Detect Time Out Value (E_D_TOV), Resource Allocation

Time Out Value (R_A_TOV), preferred domain ID and switch priority.

To configure Edge Switch parameters:

1. Set the Edge Switch offline (see ”Setting the Edge Switch offline and online” on page 71).

2. Select Configure > Switch > Parameters.

The Parameters view is displayed (Figure 46).

Figure 46 Parameters view

3. Set the Edge Switch parameters:

a. Select (enable) or clear (disable) the Insistent Domain ID check box.

The default state is disabled. When enabled, the value configured in the Preferred Domain

ID box becomes the active domain ID when the fabric initializes. This option is not supported

unless the SANtegrity feature is installed.

Notes:

• This option is required if EFM is enabled.

• If you enable Insistent Domain while the Edge Switch or Director is online, the Preferred

Domain ID changes to the current active domain ID if the IDs are different.

b. Select (enable) or clear (disable) the Rerouting Delay check box.

If rerouting delay is enabled, traffic is delayed through a fabric by the specified E_D_TOV

time. This delay ensures Fibre Channel frames are delivered to their destination in order, even

if a change to the fabric topology creates a new (shorter) transmission path.

c. Select (enable) or clear (disable) the Domain RSCN check box.

Domain register for state change notifications (domain RSCNs) are sent between end devices

in a fabric to provide additional connection information to HBAs and storage devices. For