List of commands to check WWN of online FC in HPUX server. The article also includes a small script which can do this task in seconds!
For FC connectivity to storage on HPUX server, we must share WWN of online FC. Getting WWN is a three-step process :
Step 1:
Identify FC devices under ioscan output.
1 2 3 4 5 6 7 8 9 10 11 12 13 | # ioscan -fnCfc Class I H/W Path Driver S/W State H/W Type Description ================================================================== fc 0 2/0/10/1/0 fcd CLAIMED INTERFACE HP AB379-60101 4Gb Dual Port PCI/PCI-X Fibre Channel Adapter (FC Port 1) /dev/fcd0 fc 1 2/0/10/1/1 fcd CLAIMED INTERFACE HP AB379-60101 4Gb Dual Port PCI/PCI-X Fibre Channel Adapter (FC Port 2) /dev/fcd1 fc 2 2/0/12/1/0 fcd CLAIMED INTERFACE HP AB379-60101 4Gb Dual Port PCI/PCI-X Fibre Channel Adapter (FC Port 1) /dev/fcd2 fc 3 2/0/12/1/1 fcd CLAIMED INTERFACE HP AB379-60101 4Gb Dual Port PCI/PCI-X Fibre Channel Adapter (FC Port 2) /dev/fcd3 |
In above output, you can see /dev/fcd0 to 3 are FC devices.
Step 2:
Check which FCs are online i.e. have cable connectivity with fcmsutil output.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | # fcmsutil /dev/fcd0 Vendor ID is = 0x1077 Device ID is = 0x2422 PCI Sub-system Vendor ID is = 0x103C PCI Sub-system ID is = 0x12D7 PCI Mode = PCI-X 133 MHz ISP Code version = 5.4.0 ISP Chip version = 3 Topology = PTTOPT_FABRIC Link Speed = 4Gb Local N_Port_id is = 0x010300 Previous N_Port_id is = None N_Port Node World Wide Name = 0x50060b00006975ed N_Port Port World Wide Name = 0x50060b00006975ec Switch Port World Wide Name = 0x200300051e046c0f Switch Node World Wide Name = 0x100000051e046c0f N_Port Symbolic Port Name = server1_fcd0 N_Port Symbolic Node Name = server1_HP-UX_B.11.31 Driver state = ONLINE Hardware Path is = 2/0/10/1/0 Maximum Frame Size = 2048 Driver-Firmware Dump Available = NO Driver-Firmware Dump Timestamp = N/A TYPE = PFC NPIV Supported = YES Driver Version = @(#) fcd B.11.31.1103 Dec 6 2010 |
Check driver state in above output (highlighted). If it’s ONLINE that means this FC has cable connectivity. If its Awaiting Link UP then it does not have cable connectivity.
Step 3:
If its online check its WWN by checking N_Port Port World Wide Name value! That’s it. So WWN of above FC is 0x50060b00006975ec.
I have compiled all above steps in a single script which you can run and get WWN of online FC in seconds.
First test script in test server. Run it on your own risk.
Sample output :
1 2 3 4 5 6 7 8 9 | # sh test.sh FC : /dev/fcd0 0x50060b00006975ec FC : /dev/fcd2 0x50060b00006973c8 |
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