Figure 3-7: Configure Director, Operating Parameters - Compaq StorageWorks SAN Director 64 Installation Manual

3–8 SAN Director 64 Installation Guide
4. Click the Director tab, then select the Operating Parameters option. The Director page
displays with Operating Parameters selected. See
Figure 3–7: Configure Director, Operating Parameters
a. At the BB_Credit field, type a value between 1 and 60 buffers. The default value is
16. Use a value of 60 buffers only for extended distance port operation.
b. At the R_A_TOV field, type a value between 10 through 1200 tenths of a second
(one through 120 seconds). The default value is 100.
c. At the E_D_TOV field, type a value between 2 through 600 tenths of a second (0.2
through 60 seconds). The default value is 20.
NOTE: All fabric-attached Directors and switches must be set to the same
E_D_TOV
Director segments and the Director cannot communicate with the fabric. In addition, the
R_A_TOV must be greater than the E_D_TOV. Compaq recommends that you obtain assistance
from the Professional Services Organization prior to changing the default values.
d. At the Preferred Domain ID field, type a value between 1 through 31 (default is 1).
The domain ID uniquely identifies each Director or switch in a fabric.
NOTE: All fabric-attached Directors and switches must have unique domain IDs. If the value is
not unique, the E_Port connection to the Director will segment and the Director will not be able
to communicate with the fabric.
operating values. If the values are incompatible, the E_Port connection to the
Figure 3–7.
R_A_TOV and