Frequent question: How do I find my SCSI ID in Linux?

On an iSCSI target system, type ls -l /dev/disk/by-id at the command line to see any attached iSCSI disks along with their WWID. This works equally well for locally attached SCSI drives.

What is SCSI ID number?

A SCSI ID is a unique identification/addressing for each device on the SCSI bus. Two devices on the same SCSI bus cannot share a SCSI ID number.

How do I find my SCSI ID in RHEL 7?


  1. For RHEL7. To get the WWID of say, /dev/sda , run this command: # /lib/udev/scsi_id –whitelisted –replace-whitespace –device=/dev/sda.
  2. For RHEL6. To get the WWID of say, /dev/sda , run this command: …
  3. For RHEL5. #scsi_id -g -u -s /block/sdb 36000c2931a129f3c880b8d06ccea1b01.

How do I find my SCSI ID in vmware?

In vCenter Server, right-click the virtual machine and click Edit Settings. Click a disk, and look at SCSI (X:Y) Hard Disk under Virtual Device Node. The X:Y values are: X = Location ID.

What is SCSI target ID?

The host bus adapter number is the numeric part of the value scsi n . … For example, in this output the SCSI bus address is 0 . The value for Id is the target ID. For example, in this output the ID of the tape drive is 2 , and the ID of the tape library is 4 . The value for Lun is the SCSI logical unit number (SCSI LUN).

How do I find my SCSI ID in Windows?

To get the SCSI device number, right-click a disk and select Properties. As you can see, the information about the device port for VMWare Virtual disk SCSI Disk Device is shown in the Location field of the General tab. Join the data you see and get the SCSI disk address: SCSI(0:1).

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 find my Windows 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”

Where is Lun WWN 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.

What is an scsi device?

SCSI (Small Computer Systems Interface) is a smart bus, controlled with a microprocessor, that allows you to add up to 15 peripheral devices to the computer. These devices can include hard drives, scanners, printers, and other peripherals.

Why does Linux use scsi?

1 Answer. SCSI is not only a type of hardware interface, but also a command protocol, which is used for abstraction of most of the modern storage devices. Linux scsi driver is a high level driver that handles a variety of storage hardware.

What is Lspci in Linux?

lspci command is a utility on linux systems used to find out information about the PCI busses and devices connected to the PCI subsystem. … The first part ls, is the standard utility used on linux for listing information about the files in the filesystem.

How do I find my vmware drive?

Identify the Windows Disk in vSphere

In vSphere, open the properties of your virtual machine. If you select a virtual disk, the SCSI or IDE Controller and ID is displayed under Virtual Device Node. Using this information, you can match it to the Windows Disk.

Which Windows VMDK is associated with which disk?

How to find which VMDK is associated with which disk in Windows…

  1. Login to the windows Guest VM – Go to the Disk-Management.
  2. Right click the Disk and Go to the proprieties.
  3. We can notice the Target ID X with the same number as the SCSI ID SCSI ( 0:X )
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