Configure Operating Parameters - HP StorageWorks 2/16 User Manual

Hp storageworks 2/16: user guide
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Configuring the Switch
— Homogeneous Fabric- Select this mode if the fabric contains only HP
4. Click Activate to save your changes and to close the dialog box.
5. Set the switch online:
a. Select Set Online State from the Maintenance menu on the menu bar.
b. When the Set Online State dialog box displays, click Set Online to set the
switch online.

Configure Operating Parameters

Use the procedures in this section to configure the following Fibre Channel operating
parameters using the Configure Operating Parameters dialog box.
NOTE: Ordinarily, you do not need to change these values from their defaults. The only
exception is the Preferred Domain ID. Change this value if the switch will participate in a
multiswitch fabric.
BB_Credit
Configure the switch to support buffer to buffer credit (BB_Credit) from 1
through 60. This is the value used for all ports, except those configured for
extended distance buffering (10-100 km). The default value is 16. For a
description of the buffer-to-buffer credit, refer to industry specification, Fibre
Channel Physical and Signaling Interface.
R_A_TOV
Configure resource allocation time-out value (R_A_TOV) in tenth-of-a-second
increments. This variable works with the error detect time-out value (E_D_TOV)
variable to control the switch's behavior when an error condition occurs.
Resources are allocated to a circuit when errors are detected and are not released
for reuse until the time set by the R_A_TOV value expires. The default value is
100 tenths (10 seconds). Set a value between 10 tenths and 1200 tenths (1 through
120 seconds).
NOTE: Set the same value for R_A_TOV on all switches on a multiswitch fabric. If the value is
not the same on all units, the fabric segments. Also, the value for R_A_TOV must be greater
than the value configured for E_D_TOV.
E_D_TOV
3–4
switches and directors that are also operating in Homogeneous Fabric
mode.
edge switch 2/16 product manager user guide

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