Your Question: How do I know my HBA card number in Linux?

How to check the number of “HBA” cards or ports are available in my Linux setup ?

  1. # lspci | grep -i fibre. 04:00.2 Fibre Channel: Emulex Corporation OneConnect 10Gb FCoE Initiator (be3) (rev 01) …
  2. # lspci | grep -i hba. 03:00.0 Fibre Channel: QLogic Corp. …
  3. # ls -ld /sys/class/fc_host/*

How do I find the HBA card and WWN port 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 know my HBA card number in Linux

How can I check my HBA status?


  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.

Fibre Channel (FC) Host Bus Adapters(HBA) are interface cards that connects the host system to a fibre channel network or devices. The two major manufacturers of FC HBAs are QLogic and Emulex and the drivers for many HBAs are distributed in-box with the Operating Systems.

Where is 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 my WWN number in Linux?

Here is a solution to find WWN number of HBA and scan the FC Luns.

  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 rescan HBA in Linux?

Online rescanning of LUNs on Linux hosts

  1. Update the HBA driver by installing or updating the files sg3_utils-*. …
  2. Ensure that DMMP is enabled.
  3. Ensure that the LUNS that need to be expanded are not mounted and are not used by applications.
  4. Run sh -r .
  5. Run multipath -F .
  6. Run multipath .

How do I find the LUN ID in Linux?

so the first device in command “ls -ld /sys/block/sd*/device” corresponds to the first device scene in the command “cat /proc/scsi/scsi” command above. i.e. Host: scsi2 Channel: 00 Id: 00 Lun: 29 corresponds to 2:0:0:29. Check the highlighted portion in both commands to correlate. Another way is to use sg_map command.

How do I replace my HBA card in Linux?

Planning Steps:

  1. Locate the failed HBA adapter on the physical machine.
  2. Note the WWPN of the HBA that will be replaced.
  3. Go to the V7000s in the High Aavailability(HA) group and make note which host ports they are and how many will need to be changed.

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 difference between a node WWN (WWNN), is it can be shared by some or all ports of a device, and a port WWN (WWPN), is one which is necessarily unique to each port.

How do I know if Windows is HBA?

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

How do I find my FC host 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 number?

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 does HBA work?

An HBA relies on the speed of the individual devices connected to it for its performance. A RAID adapter, on the other hand, is an add-in card that takes the physical devices connected to it and turns them into a logical device (or RAID array), which the operating system then sees as a single physical drive.

What is the difference between HBA and NIC?

The main difference is the type of storage/switch you are connecting to. HBA stands for Host Bus Adapter and is used to connect to block level storage such as Fibre Channel, SATA or SCSI. … NIC stands for Network Interface Adapter and is used to connect ethernet storage to a switch or server.

What is a HBA card?

The term host bus adapter (HBA) is often used to refer to a Fibre Channel interface card. In this case, it allows devices in a Fibre Channel storage area network to communicate data between each other – it may connect a server to a switch or storage device, connect multiple storage systems, or connect multiple servers.

Leave a Comment