HP StorageWorks 2/16V Brocade Access Gateway Administrator's Guide - Supportin - Page 48

Table C-1, Problem, Cause, Solution, If it returns, Failback or Failover on N_Port

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C Troubleshooting Table C-1 Troubleshooting (Continued) Problem Cause Solution LUNs are not visible 1. Zoning on fabric switch is incorrect. 2. Port mapping on Access Gateway mode switch is incorrect. 3. Cabling not properly connected. Verify zoning on the edge switch. Verify that F_Ports are mapped to an online N_Port. See "Displaying the port status" on page 4-3. Perform a visual inspection of the cabling, check for issues such as wrong ports, etc. Failover is not working Failover disabled on N_Port. Verify that failover and failback policies are enabled, as follows: • Enter the ag -failoverShow command with the operand. • Enter the ag -failbackShow command with the operand. Command returns "Failback (or Failover) on N_port is supported." Access Gateway is mode not wanted Access Gateway must be disabled. If it returns, "Failback (or Failover) on N_Port is not supported." See "Managing the failover and failback policies" on page 4-7. 1. Disable switch using the switchDisable command. 2. Enable Access Gateway mode using the ag --modeDisable command. Answer yes when prompted; the switch reboots. 3. Log in to the switch. 4. Display the switch settings using the switchShow command. Verify that the field switchMode displays Fabric OS native mode. C-2 Access Gateway Administrator's Guide Publication Number: 53-1000430-01

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C-2
Access Gateway Administrator’s Guide
Publication Number: 53-1000430-01
Troubleshooting
C
LUNs are not visible
1.
Zoning on fabric switch is
incorrect.
2.
Port mapping on Access
Gateway mode switch is
incorrect.
3.
Cabling not properly
connected.
Verify zoning on the edge switch.
Verify that F_Ports are mapped to an online N_Port. See
“Displaying the port status”
on page 4-3.
Perform a visual inspection of the cabling, check for issues
such as wrong ports, etc.
Failover is not
working
Failover disabled on N_Port.
Verify that failover and failback policies are enabled, as
follows:
•
Enter the
ag –failoverShow
command with the
<port_number>
operand.
•
Enter the
ag –failbackShow
command with the
<port_number>
operand.
Command returns “Failback (or Failover) on N_port
<port_number> is supported.”
If it returns, “Failback (or Failover) on N_Port
<port_number> is not supported.” See
“Managing the failover
and failback policies”
on page 4-7.
Access Gateway is
mode not wanted
Access Gateway must be disabled.
1.
Disable switch using the
switchDisable
command.
2.
Enable Access Gateway mode using
the
ag --modeDisable
command.
Answer yes when prompted; the switch reboots.
3.
Log in to the switch.
4.
Display the switch settings using the
switchShow
command. Verify that the field
switchMode
displays
Fabric OS native mode.
Table C-1
Troubleshooting
(Continued)
Problem
Cause
Solution