Sometimes on a server which had some fiber channel difficulties, I always check if there are some missing or failed paths by issuing this command (sometimes the numbers are not equal, and we have to reconfigure missing paths) : If
VIO : Forcing WWN on a virtual fc adapter
Unique generated WWNs ? With the HMC gui, it seems that the WWNs created with a virtual FC adapter cannot be changed, unless you delete the virtual FC adapter and recreate it, but you will have a tiny problem : the
IBM Systems Director : increase logs verbosity (very useful sometimes)
The lwilog.sh script dynamically enables or disables the trace utility in the running application. On ISD Server, try this : The levels of verbosity are : The loggername can be found in the following logfile : example:
Getting the VIO host of your virtual server
Unfortunately this doesn’t work with AIX 5.3, you should check this out instead : https://www.ibm.com/developerworks/community/blogs/glukacs/entry/zoning_info_script_to_follow_the_vscsi_mapped_luns1?lang=en NPIV VSCSI