Introduction If you work with Fibre Channel (FC) storage, sooner or later you’ll need to find your server’s HBA (Host Bus Adapter) identifiers. Whether you’re zoning a SAN switch, presenting a LUN from a storage array, or troubleshooting a multipath issue, the storage team will inevitably ask you for one thing: “What’s your WWPN?” Before … Continue reading 4 Commands to Check HBA WWN WWNN WWPN on Linux