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 check HBA details 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 difference between WWN and Wwpn?

A WWPN (World Wide Port Name) is physically assigned to a part in a Fibre Channel device, such as a FC HBA or SAN. The WWNN (World Wide Node Name) is a World Wide Name assigned to a node in a Fibre Channel fabric. …

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.

What is WWN number 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 I find my WWN number in Oracle 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.

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.

How do I get the WWNN and WWPN in Linux?

To get the WWNN (World Wide Node Number) in Linux: To get the WWPN (World Wide Port Number) in Linux: If you have more HBAs, replace “host0 or host1” with “hostN “. In most cases, System admins need to provide the WWPN to storage admins for the storage allocation.

How to check FC HBA card status in Linux?

check how many hosts (Ports/Cards) are there in your Linux machine using below command. # ls /sys/class/fc_host host3. Using below command find if FC HBA is Online or Offline Or Link Status. If link status is down also we can get WWN in Linux. Below while loop script will list all of your HBA card details.

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