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Where is the LUN number in VMware?

Where is the LUN number in VMware?

To obtain LUN multipathing information from the ESXi host command line:

  1. Log in to the ESXi host console.
  2. Type esxcli storage core path list to get detailed information regarding the paths.
  3. Type esxcli storage core path list -d naaID to list the detailed information of the corresponding paths for a specific device.

What is LUN ID in VMware?

Each of the attached storage system LUNs has a special device file in the /dev /disks operating system directory. The maximum number of LUNs is 256 and the format is /dev/disks/naa.

Is LUN a logical drive?

In computer storage, a logical unit number, or LUN, is a number used to identify a logical unit, which is a device addressed by the SCSI protocol or by Storage Area Network protocols that encapsulate SCSI, such as Fibre Channel or iSCSI.

What is logical unit number in san?

What is a LUN, and why do we need one? In simple terms, a logical unit number (LUN) is a slice or portion of a configured set of disks that is presentable to a host and mounted as a volume within the OS.

Where is LUN ID in virtual machine?

  1. In vSphere, select the host configuration tab, storage.
  2. Select the Devices View.
  3. Sort by LUN # and locate the LUN you want to verify.
  4. Right click the LUN in the Devices list and select “Copy identifier to clipboard”
  5. Copy the converted string and paste to a work note.

What is NAA in VMware?

NAA stands for Network Addressing Authority identifier. EUI stands for Extended Unique Identifier. The number is guaranteed to be unique to that LUN. The NAA or EUI identifier is the preferred method of identifying LUNs and the number is generated by the storage device.

What do you mean by logical unit?

A logical unit is a device or application program by which an end user (an application program, a terminal user, or an input/output mechanism) gains access to a SNA network. To the network, a logical unit is the source of a request coming into the network, although the logical unit might not be the original source.

What is San and LUN?

LUN stands for “Logical Unit Number”. It is a virtual address to a device in a SCSI environment. In a single SCSI environment, no two devices can contain the same LUN or they will conflict, usually resulting in one of the devices becoming inaccessible or invisible on the SAN fabric until a unique LUN is assigned.

What is LUN in AIX?

A lun in aix appears as an hdisk. lspv will show all configured disks and whether or not they are configured. to a volume group. lspv -l hdisk# will tell you what is on the hdisk if its. part of a volume group and the vg is online.

How do I find my WWN virtual machine 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: ~ # ls /proc/scsi/ mptsas qla2xxx.
  3. Look for a folder like ‘qla2xxx’ – QLogic HBA, ‘lpfc820’ – Emulex HBA, ‘bnx2i” – Brocade HBA;