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How do I find my WWN number in Linux?

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How do I find my WWN number in Linux?

HBA card wwn number can be manually identified by filtering the associated files under the “/sys” file system. The files under sysfs provide information about devices, kernel modules, filesystems, and other kernel components, which are typically mounted automatically by the system at /sys.

How do I find my WWN number?

Finding a WWN on a Windows host

  1. Go to the Start menu, select Find and choose the Files and Folders option.
  2. On the Find dialog box, in Named type lputilnt.exe, and from the Look in list, choose the data drive that contains the Emulex mini-port driver.
  3. Choose Find Now to search for the LightPulse utility.

How do I get HBA card info in Linux?

Check HBA card and its driver’s info in linux(RHEL6)

  1. To check if the host has HBA card installed and which type of card installed, physiical slot, driver, module information. # lspci | grep -i fibre.
  2. check if the driver/module loaded in kernel.
  3. check author,description,mdule file name, license, driver version.

What is the WWN number?

A World Wide Name (WWN) is a unique identifier that is assigned to a manufacturer by the Institute of Electrical and Electronic Engineers (IEEE) and hard-coded into a Fibre Channel (FC) device. WWNs are important when setting up a storage area network (SAN).

How do I find the LUN ID in Linux?

For each additional logical unit number (LUN) that needs to be discovered by the Linux kernel, perform the following steps: At the command prompt type echo “scsi-add-single-device H C I L” >/proc/scsi/scsi where H is the host adapter, C is the channel, I id the ID and L is the LUN and press the key.

How do I find my WWN number on a 2019 server?

run “fcinfo” command in Command Prompt. It will show up HBA connected to the server with WWN.

How do I find my SCSI WWN number in Linux?

How to find WWN number of HBA and scan the FC Luns in LINUX

  1. Identify the number of HBA adapters.
  2. To get the WWNN (World Wide Node Number) of HBA or FC card in Linux.
  3. To get the WWPN (World Wide Port Number) of HBA or FC card in Linux.
  4. Scan the newly added or rescan the existing LUNs in Linux.

How do I find my Wwid number in Linux?

You can get the WWID by running the scsi_id command on a device. For example, assume that /dev/sda is a local SCSI drive. To obtain the WWID on systems running Red Hat Enterprise Linux 7 or 6 series or SUSE Linux Enterprise Server 12 and 11, enter /lib/udev/scsi_id -gud /dev/ sda .

What does a WWN look like?

Each WWN is an 8- or 16-byte number, the length and format of which is determined by the most significant four bits, which are referred to as an NAA (Network Address Authority). “Original” IEEE formats are essentially a two-byte header followed by an embedded EUI-48 address (which contains the OUI).

How do I find my LUN ID?

Using Disk Manager

  1. Access Disk Manager under “Computer Management” in “Server Manager” or in the command prompt with diskmgmt.msc.
  2. Right-Click on the side-bar of the disk you wich to view and select “Properties”
  3. You will see the LUN number and the target name. In this example it’s “LUN 3” and “PURE FlashArray”

How do I find my NAA ID in Linux?

Now select any host and navigate to Configure -> Storage Devices -> Click on any Device under the Storage Devices tab. This will provide you information about datastore’s NAA ID and LUN ID.

How to find WWN in Linux?

Another way of finding WWN in Linux is using systool utility this is an extra package you have to install in your Linux server using below command My Name is ARK. Expert in grasping any new technology, Interested in Sharing the knowledge. Learn more & Earn More View all Posts

How to get WWNN (World Wide node number) in Linux?

To get the WWNN (World Wide Node Number) in Linux: mytestsrv1# cat /sys/class/fc_host/host0/node_name 0x20000000c9538d83 mytestsrv1# cat /sys/class/fc_host/host1/node_name

How to get WWPN (world wide port number) in Linux?

To get the WWPN (World Wide Port Number) in Linux: mytestsrv1# cat /sys/class/fc_host/host0/port_name0x10000000c9538d83mytestsrv1# cat /sys/class/fc_host/host1/port_name0x10000000c9538dac If you have more HBAs, replace “host0 or host1” with “hostN “.

How to find FC HBA WWN in Linux/Unix operating systems?

There are several ways to find out FC HBA WWN in Linux/Unix operating systems. We can use lspci command to find the FC HBA adapter details first. lspci is a utility for displaying information about PCI buses in the system and devices connected to them.

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