Enabling The Failover Policy; Figure 4 Example 1 And 2 Failover Policy Behavior - Brocade Communications Systems A7533A - Brocade 4Gb SAN Switch Base Administrator's Manual

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Example 1
Hosts
Host_1
Host_2
Host_3
Host_4
Host_5
Host_6
Host_7
Host_8
FIGURE 4

Enabling the Failover policy

1. Connect to the switch and log in as admin.
2. Enter the ag command with the
3. Enter the ag command with the
Access Gateway Administrator's Guide
53-1001189-01
Next the F_A2 port goes offline, as shown in
the corresponding Access Gateway N_2 port to be disabled.
The ports mapped to N_2 (F_1, F_3, and F_4) fail over to N_3 and N_4. Note that the F_Ports
are evenly distributed to the remaining online N_Ports and that the F_2 port did not participate
in the failover event.
Access Gateway
F_1
F_2
N_1
F_3
N_2
F_4
F_5
N_3
F_6
N_4
F_7
F_8
Example 1 and 2 Failover policy behavior
failover setting.
switch:admin> ag --failovershow 13
Failover on N_Port 13 is not supported
switch:admin> ag --failoverenable 13
Failover policy is enabled for port 13
Figure 4 on page 15 Example 2 (right), causing
Example 2
Hosts
Host_1
Fabric
Edge Switch
(Switch_A)
Host_2
F_A1
NPIV
enabled
Host_3
F_A2
NPIV
enabled
Host_4
Edge Switch
(Switch_B)
Host_5
F_B1
NPIV
enabled
Host_6
F_B2
NPIV
enabled
Host_7
Host_8
failovershow <n_portnumber> operand to display the
--
failoverenable <n_portnumber> operand to enable failover.
--
Failover policy
Access Gateway
Fabric
F_1
Edge Switch
(Switch_A)
F_2
F_A1
N_1
NPIV
enabled
F_3
F_A2
N_2
NPIV
enabled
F_4
Edge Switch
(Switch_B)
F_B1
F_5
N_3
NPIV
enabled
F_6 F_B2
N_4
NPIV
enabled
F_7
F_8
Legend
Physical connection
Mapped online
Failover route online
Original mapped route
(offline)
2
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