Whenever you get storage masked to your esxi node/cluster you always going to need to know what HBA WWN addresses are (assuming your using HBA not iSCSI etc) here is a quick powercli hba statement you can use to refresh your memory
For a cluster the following:
| 1 | Get-Cluster clustername | Get-VMhost | Get-VMHostHBA -Type FibreChannel | Select VMHost,Device,@{N="WWN";E={"{0:X}" -f $_.PortWorldWideName}} | Sort VMhost,Device | 
And if you want to do a single host:
| 1 | Get-VMhost -Name hostname| Get-VMHostHBA -Type FibreChannel | Select VMHost,Device,@{N="WWN";E={"{0:X}" -f $_.PortWorldWideName}} | Sort VMhost,Device | 
 To add to an already amazing year in world of virtualisation, today I was named a VMware vExpert 2018
To add to an already amazing year in world of virtualisation, today I was named a VMware vExpert 2018

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