HP Surestore 64 HP Surestore Director FC-64 Product Manager User's Guide - Page 127
Preferred Domain ID, Switch Priority, Principal highest priority, Default
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Configuring the Director Set the same value for E_D_TOV on all directors and directors in a multiswitch fabric. If the value is not the same, the fabric segments. • Preferred Domain ID Use this field to set each director in the fabric to a unique preferred domain ID. Fibre Channel addresses in the director include this preferred domain ID to create a unique identification for the port in the fabric. The default value is 1. Set a preferred value from 1 through 31. The preferred domain ID must be unique for each director and switch in a fabric. If two directors or directors have the same preferred domain ID, the E_Ports segment, causing the fabric to segment. Note For more information on domain ID, refer to the section on domain ID assignment for multiswitch fabrics in the hp surestore director fc-64 Planning Guide ( HP A6534-90903) . • Switch Priority Setting this value determines the principal switch for the multiswitch fabric. Select Principal (highest priority), Default, or Never Principal (lowest priority) from the Switch Priority drop-down list. Setting these priority values determines the principal switch selected for the multiswitch fabric. For example, if you have three directors in the fabric and set one as Principal, one as Default, and one as Never Principal, the unit set to Principal becomes the principal switch in the fabric. Configure Operating Parameters 111