Brocade Troubleshooting and Diagnostics Guide v6.1.0 (53-1000853-01, June 2008)

Fabric OS Troubleshooting and Diagnostics Guide 87

53-1000853-01

Chapter

iSCSI Issues

If you are having problems with the iSCSI FC4-16IP blade connectivity, use the following chapter to

troubleshoot before calling your support provider.

NOTE

The iSCSI blade FC4-16IP is not supported in the Brocade DCX Backbone.

In this chapter

•Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

•Zoning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

•Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Connectivity

The following issues deal with the iSCSI FC4-16IP blade connectivity between devices.

Symptom iSCSI host reports connection failed.

Probable cause and recommended action

Network connectivity is having problems.

Verify IP address using: portShow ipif <slot>/ge<port>

Verify IP route using: portShow iproute <slot>/ge<port>

Ping the PC using: portCmd - -ping <slot>/ge<port> -s <source IP> -d <destination IP>

Make corrections to the IP information using the portCfg command.

Below is an example to verify if packets can be sent to the destination IP address with maximum

wait_time specified. Note that backslash ( \ ) which is used to skip the return character so you can

continue the command on the next line without the return character being interpreted by the shell.

switch:admin> portcmd --ping 12/ge0 -s 2007:7:30:32:227:138:10:120 -d \

2007:7:30:32:227:77:0:60 -w 29000

Pinging 2007:7:30:32:227:77:0:60 from ip interface 2007:7:30:32:227:138:10:120

on 12/ge0 with 64

bytes of data

Reply from 2007:7:30:32:227:77:0:60: bytes=64 rtt=0ms ttl=255

Reply from 2007:7:30:32:227:77:0:60: bytes=64 rtt=1ms ttl=255

Reply from 2007:7:30:32:227:77:0:60: bytes=64 rtt=0ms ttl=255

Ping Statistics for 2007:7:30:32:227:77:0:60:

Packets: Sent = 4, Received = 4, Loss = 0 ( 0 percent loss)

Min RTT = 0ms, Max RTT = 1ms Average = 0ms