how to identify hba cards ports and wwn in linux
How to identify hba cards ports and wwn in RHEL 7
How to identify hba cards ports and wwn in RHEL 7
Too often system administrators requires to collect details about host bus adapters in linux. In this article we are going to discuss about how to identify hba card ports and wwn in linux .There are many other way and utility which is helpful in getting details but sysfsutils is the package delivered via redhat repository which is very helpful while dealing with any kind of HBA details and it usage systool command or script to fetch the required details.
How to validate sysfsutils/systool presence
We can validate presence of sysutils in your server using below method. Method 1 : Use which command # which systool /usr/bin/systool //This is showing path for systool it means sysutils package is already installed.// Method 2: Use rpm command # rpm -qa |grep sysfsutils sysfsutils-2.1.0-16.el7.x86_64 //This is showing package as it is already installed on my server.If it is not it will not display any result.//
How to install sysfsutils
How to install sysfsutils
# yum --enablerepo=* install sysfsutils
============================================================================
Package Arch Version Repository Size
============================================================================
Installing:sysfsutils x86_64 2.1.0-16.el7 distro 41 k
Transaction Summary
============================================================================
Install 1 Package
Total size: 41 k
Installed size: 123 k
Is this ok [y/d/N]: y
Warning: RPMDB altered outside of yum.
Installed:
sysfsutils.x86_64 0:2.1.0-16.el7
How to check which HBA card is installed
How to check which HBA card is installed
# dmesg |grep -i fibre [ 1.640026] Emulex LightPulse Fibre Channel SCSI driver 12.0.0.5 [ 1.641479] scsi host1: Emulex LPe12000 PCIe Fibre Channel Adapter on PCI bus 07 device 00 irq 53 [ 4.083706] scsi host4: Emulex LPe12000 PCIe Fibre Channel Adapter on PCI bus 24 device 00 irq 56 # lspci |grep -i emulex 07:00.0 Fibre Channel: Emulex Corporation Saturn-X: LightPulse Fibre Channel Host Adapter (rev 03) 24:00.0 Fibre Channel: Emulex Corporation Saturn-X: LightPulse Fibre Channel Host Adapter (rev 03) # dmesg |grep -i emulex [ 1.640026] Emulex LightPulse Fibre Channel SCSI driver 12.0.0.5 [ 1.641479] scsi host1: Emulex LPe12000 PCIe Fibre Channel Adapter on PCI bus 07 device 00 irq 53 [ 4.083706] scsi host4: Emulex LPe12000 PCIe Fibre Channel Adapter on PCI bus 24 device 00 irq 56
How to get HBA Name
How to get HBA Name
# systool -a -v -c scsi_host | egrep "info|modelname" bg_info = "BlockGuard Disabled" info = "EMC LPe12000-E 8Gb PCIe Fibre Channel Adapter on PCI bus 07 device 00 irq 53 Logical Link Speed: 8000 Mbps" modelname = "LPe12000-E" npiv_info = "NPIV Physical" nvme_info = "NVME Disabled" bg_info = "BlockGuard Disabled" info = "EMC LPe12000-E 8Gb PCIe Fibre Channel Adapter on PCI bus 24 device 00 irq 56 Logical Link Speed: 8000 Mbps" modelname = "LPe12000-E" npiv_info = "NPIV Physical" nvme_info = "NVME Disabled" # cat /sys/class/fc_host/host*/symbolic_name Emulex LPe12000-E FV1.00A12 DV12.0.0.5. HN:server231. OS:Linux Emulex LPe12000-E FV1.00A12 DV12.0.0.5. HN:server231. OS:Linux
How to get HBA Port Status
How to get HBA Port Status
# cat /sys/class/fc_host/host*/port_state Online Online
Get HBA Port Speed & Supported Speed
Get HBA Port Speed & Supported Speed
# cat /sys/class/fc_host/host*/speed 4 Gbit 4 Gbit # cat /sys/class/fc_host/host*/supported_speeds 2 Gbit, 4 Gbit, 8 Gbit 2 Gbit, 4 Gbit, 8 Gbit
How to get Port WWN
How to get Port WWN
# cat /sys/class/fc_host/host*/port_name 0x10000090fa2537d6 0x10000090fa253a29
Getting Other HBA Details
Getting Other HBA Details
# cat /sys/class/fc_host/host*/node_name 0x20000090fa2537d6 0x20000090fa253a29 # cat /sys/class/fc_host/host*/port_type NPort (fabric via point-to-point) NPort (fabric via point-to-point) # cat /sys/class/fc_host/host*/port_id 0x0a1600 0x0a2600 # cat /sys/class/fc_host/host*/fabric_name 0x100050eb1a5e9300 0x100050eb1a5e9300
Using all above you can find whatever information is needed about HBA. Hope this will help you about how to identify hba cards ports and wwn in linux.
That,s it about how to identify hba cards ports and wwn in linux .
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