Look through the list and locate the device that is the Fibre Channel adapter. Once logged in, you can then use the ‘lspci’ command to get a list of all the PCI devices connected to the virtual machine. First, you will need to open up a terminal window in the virtual machine and log in as root. How Do I Find My Wwn Number In Linux Virtual Machine?įinding your WWN number in a Linux virtual machine can be done with a few simple steps. ![]() Using thesystool command or file/sys/class/scsi_host/hostfirm0/ware_version, you can determine the firmware version of your Brocade FC HBA. In most FC HBAs, driver software is bundled with the product, which is distributed as part of the operating system. A fiber channel network is made up of an FC Host Bus Adapter (HBA), which is a link between the host system and the network. It is possible to obtain detailed and correct data using a San Surfer (qlogic) or HBA Anywhere (emulex). You can obtain the WWNN (World Wide Node Number) for a HBA or FC card by installing Linux. How do you check for wwn in Linux server? Determine how many hba adapters there are in your network. With this information, you’ll be equipped to quickly and easily check the WWN on a virtual Linux machine and use it to your advantage. ![]() ![]() ![]() Finally, we’ll cover how to use the WWN to optimize your server’s performance. We’ll begin by discussing the two types of WWNs and then move on to explaining how to find the WWN of a virtual machine. In this article, we’ll discuss how to check the WWN on a virtual Linux machine, as well as some of the benefits of doing so. WWN is an identifier assigned to a physical or virtual device that uniquely identifies it on a Fibre Channel or iSCSI SAN ( Storage Area Network). For Linux systems administrators, knowing and understanding the World Wide Name (WWN) of a virtual machine can be an invaluable tool for troubleshooting and optimizing network performance.
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