HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Advanced Web Tools Administ - Page 74

Configuring link cost

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NOTE: Enabling IOD can cause a delay in the establishment of a new path when a topology change occurs, and therefore should be used with care. Configuring the IOD setting 1. Launch the Switch Admin module as described on page 36. 2. Click the Routing tab. 3. Click On in the In-Order Delivery area to force in-order frame delivery across topology changes or click Off to restore out-of-order frame delivery across topology changes. 4. Click Apply. Configuring link cost When you configure link cost for the Core Switch 2/64, or for a SAN Director 2/128, or 4/256 SAN Director configured for two logical switches, link cost is configured on a logical-switch basis. This means that for each logical switch, you configure link cost individually. For information regarding link cost, see the linkCost command in the HP StorageWorks Fabric OS 5.x command reference guide. Configuring the link cost for a port 1. Launch the Switch Admin module as described on page 36. 2. Click the Routing tab. 3. Perform the following, according to switch type: • For Core Switch 2/64, SAN Director 2/128, and 4/256 SAN Director, click the slot number of the logical switch under Link Cost in the navigation tree. • For 4/8 SAN Switch, 4/16 SAN Switch, SAN Switch 2/8V, SAN Switch 2/16V, SAN Switch 2/32, 4Gb SAN Switch for HP p-Class BladeSystem, and SAN Switch 4/32, click Link Cost in the navigation tree. 4. Double-click in the row in the Cost column that corresponds to the appropriate port. 5. Enter the link cost. For a 1 Gbit/sec ISL, the default cost is 1000. For a 2 Gbit/sec or a 4 Gbit/sec ISL, the default cost is 500. Valid values for link cost are 1 through 9999. Setting the value to 0 sets the link cost to the default value for that port. 6. Click Apply. 74 Routing traffic

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74
Routing traffic
NOTE:
Enabling IOD can cause a delay in the establishment of a new path when a topology change
occurs, and therefore should be used with care.
Configuring the IOD setting
1.
Launch the Switch Admin module as described on
page 36
.
2.
Click the
Routing
tab.
3.
Click
On
in the In-Order Delivery area to force in-order frame delivery across topology changes or
click
Off
to restore out-of-order frame delivery across topology changes.
4.
Click
Apply
.
Configuring link cost
When you configure link cost for the Core Switch 2/64, or for a SAN Director 2/128, or 4/256 SAN
Director configured for two logical switches, link cost is configured on a logical-switch basis. This means
that for each logical switch, you configure link cost individually.
For information regarding link cost, see the
linkCost
command in the
HP StorageWorks Fabric OS 5.x
command reference guide
.
Configuring the link cost for a port
1.
Launch the Switch Admin module as described on
page 36.
2.
Click the
Routing
tab.
3.
Perform the following, according to switch type:
•
For Core Switch 2/64, SAN Director 2/128, and 4/256 SAN Director, click the slot number of
the logical switch under Link Cost in the navigation tree.
•
For 4/8 SAN Switch, 4/16 SAN Switch, SAN Switch 2/8V, SAN Switch 2/16V, SAN Switch
2/32, 4Gb SAN Switch for HP p-Class BladeSystem, and SAN Switch 4/32, click Link Cost in the
navigation tree.
4.
Double-click in the row in the Cost column that corresponds to the appropriate port.
5.
Enter the link cost. For a 1 Gbit/sec ISL, the default cost is 1000.
For a 2 Gbit/sec or a 4 Gbit/sec ISL, the default cost is 500. Valid values for link cost are 1 through
9999. Setting the value to 0 sets the link cost to the default value for that port.
6.
Click
Apply
.