Unable to create NPIV Ports. Error: Fail To Get Random WWN.

Asset ID:	1-72-2242604.1
Update Date:	2017-03-13
Keywords:

Solution Type Problem Resolution Sure

Solution 2242604.1 : Unable to create NPIV Ports. Error: Fail To Get Random WWN.

Applies to:

SPARC T4-4 - Version All Versions and later
Solaris Operating System - Version 11 11/11 and later
Information in this document applies to any platform.

Symptoms

Unable to create NPIV ports using the following command.

# fcadm create-npiv-port 21xxxxxxxxxxxx46
Error: Fail to get Random WWN

Cause

This behaviour has been documented in Bug 25701864 - fcadm create-npiv-port fails (Error: Fail to get Random WWN).

In summary:

All libraries in /etc/hba.conf should be checked.
However, currently only the last listed library in /etc/hba.conf is checked for symbol Sun_fcAdapterCreateWWN.
If this symbol is not found in that library then the command will fail.
This symbol is present in the libsun_fc libraries.

Check /etc/hba.conf and make sure there have been no entries appended to this file.

Solution

If after reviewing /etc/hba.conf it is determined that the last entry is not a libsun_fc library then edit the file.
A reboot is not necessary to effect this change.

For example.

/etc/hba.conf which results in this behaviour:

<extract>
com.sun.fchba /usr/lib/libsun_fc.so.1
com.sun.fchba64 /usr/lib/64/libsun_fc.so.1
qla2x00 /usr/lib/libqlsdm.so <--- last entry
<extract>

/etc/hba.conf that has been edited to resolve this behaviour:

<extract>
com.sun.fchba /usr/lib/libsun_fc.so.1
com.sun.fchba64 /usr/lib/64/libsun_fc.so.1 <--- last entry
#qla2x00 /usr/lib/libqlsdm.so
<extract>

Please note, in this example the qla2x00 entry was superfluous.
If there is a requirement for whatever the last entry is, then relocate it elsewhere in the file.
The objective of the workaround is to make sure a libsun_fc library is the last entry in /etc/hba.conf.

References

<BUG:25701864> - FCADM CREATE-NPIV-PORT FAILS
<BUG:18892143> - WWN SPECIFIED TO FCADM IS OMITTED WHEN CREATING AN NPIV PORT

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