How to check WWN and Multipathing on Windows Server

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How to check WWN and Multipathing on Windows Server

 

How to check WWN and Multipathing on Windows Server?

There are many ways to find the World Wide Name (WWN) of fibre channel HBA connected to windows server operating system

Windows 2003/2000

1. Check  FCINFO (Fibre Channel Information Tool) for windows 2003 & windows 2000 servers

This tool is to discovery the SAN resources and configuration information on your Fibre Channel SAN

Download the tool from here:

http://www.microsoft.com/en-us/download/details.aspx?id=17530

then,

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

 

Few model dependent utilities are:

  1. HBAnyware utility (click here to download)
  2. SANsurfer utility (click here to download)
  3. Hitachi Storage: – please follow the below commands:
dlnkmgr view -path Check the multipath output
dlnkmgr view -drv Checking the current settings
dlnkmgr set -lb on -lbtype rr Setting load balancing
dlnkmgr set -pchk on -intvl 10 Setting path Health Checking
dlknmgr set -afb on Setting Automatic Failback

Windows 2012/2016

Started from Windows Server 2012, “Storage Explorer” was removed. To find WWN in Windows Server 2012 or 2012 R2, we can use PowerShell to perform “Get-InitiatorPort“.

Windows 2008

Few model dependent utilities are:

Storage Explorer – It will show all the FC switches in your storage fabric, with details about what is connected to each port of each switch. It also show information about other servers connected to the storage fabric, including information about HBAs and LUNs.

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