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Where is FC WWN on Linux?

By Sarah DavisOn

Where is FC WWN on Linux?

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

  1. Identify the number of HBA adapters. systool -c fc_host -v.
  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 newly added disks or rescan existing LUNs in Linux.

How do I find my FC adapter in Linux?

  1. Find WWN in Linux is easy using existing commands and installing few systools will help us in getting the FC HBA adapter WWN in Linux.
  2. We can use lspci command to find the FC HBA adapter details first.
  3. Method 1 # lspci |grep -i hba 0e:04.0 Fibre Channel: QLogic Corp.

What is WWN in Linux?

A World Wide Name (WWN) or World Wide Identifier (WWID) is a unique identifier used in storage technologies including Fibre Channel, Parallel ATA, Serial ATA, NVM Express, SCSI and Serial Attached SCSI (SAS).

How do you find the WWN?

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 find my WWN Datastore number?

2. How to find HBA WWN via ESXi Shell / CLI:

  1. Connect to ESXi shell either via putty/SSH or DCUI (Direct Console User Interface) / server console.
  2. Run ‘ls /proc/scsi/’ and check the folder names:
  3. Look for a folder like ‘qla2xxx’ – QLogic HBA, ‘lpfc820’ – Emulex HBA, ‘bnx2i” – Brocade HBA;
  4. Run ‘ls /proc/scsi/qla2xxx’.

Where is HBA card details in Linux?

Re: HOW TO FIND HBA DETAILS IN LINUX You probably will find your HBA module in /etc/modprobe. conf. There you can identify with “modinfo” if the module is for QLOGIC or EMULEX. Then use SanSurfer (qlogic) or HBA Anywhere (emulex) to obtain detailed and accurate information.

How do I find HBA details in Linux?

How can I check my HBA status?

Instructions

  1. #lspci -vvv | grep -I HBA. We can see following entries in the output 03:00.1 Fibre Channel: QLogic Corp. ISP2432-based 4Gb Fibre Channel to PCI Express HBA (rev 03)
  2. #systool -v. Or. To check WWNN , run the following command.
  3. #cat /sys/class/fc_host/hostN/node_name. To check port state, run.

Who are the initiators in FC SAN?

Initiator – An initiator is the consumer of storage, typically a server with an adapter card in it called a Host Bus Adapter (HBA). The initiator “initiates” a connection over the fabric to one or more ports on your storage system which are called target ports.

How do I know if HBA is installed on 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.

How do I enable HBA on Linux?

How to disable or enable an HBA without reboot under CentOS/RHEL

  1. Locate the HBA address on the PCI bus: # lspci -k …
  2. Disconnect the PCI device from the PCI bus using the device driver name and the PCIbus address found earlier:
  3. Attach the device to the driver:

How check HBA details in Linux?

How to find FC HBA WWN in Linux?

There are several ways to find out FC HBA WWN in Linux/Unix operating systems. How To Find WWN in Linux Check HBA Connectivity Status. 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.

How to find FC ID (WWN) of a disk/LUN on Linux server?

H ow do I find the FC ID (WWN) of a disk/LUN on Linux server? If your server is connected to more than two SANs of the same type it is really hard to find what disk is on what SAN and how it is connected to your server. You will get node name (FC WWN) and port name of the storage processor port.

What does the FC command do in Linux?

This command line utility really comes to help while editing long commands. So, the fc command is used to list, edit or re-execute the commands previously entered into an interactive shell.

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