Dell VxRail Network Planning Guide

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Select VMware ESXi hostnames

All VxRail nodes in a cluster require hostnames.

You can use any host naming convention as long as it is a legitimate format. VxRail can auto-assign the hostnames to VMware ESXi nodes following VxRail rules automatically during the VxRail initial build process. To have VxRail auto-assign the hostnames during the cluster initial build, follow these rules.

All ESXi hostnames in a VxRail cluster are defined by a naming convention that consists of:

  • An ESXi hostname prefix (an alphanumeric string)
  • A separator (“None” or a dash ”-“)
  • An iterator (Alpha, Num X, or Num 0X)
  • An offset (empty or numeric)
  • A suffix (empty or alphanumeric string with no .)
  • A domain

The Preview field during VxRail initialization is an example of the hostname of the first ESXi host. For example, if the prefix is host, the following applies:

  • Separator is None
  • Iteration is Num 0X
  • Offset is empty
  • Suffix is lab
  • Domain is local,
  • First ESXi hostname is host01lab.local

The domain is automatically applied to the VxRail management components. For example: my-vcenter.local.

Table 1. VMware ESXi hostname examplesHostname examples as per the parameters.
Parameter Example 1 Example 2 Example 3
Prefix host myname esxi-host
Separator None N/A N/A
Iterator Num 0X Num X Alpha
Offset N/A 4 N/A
Suffix N/A lab N/A
Domain local college.edu company.com
Resulting hostname host01.local myname-4lab.college.edu esxi-host-a.company.com

Enter the values for building and auto-assigning the ESXi hostnames if that is the chosen method.

Table 2. Fields to auto-assign the VMware ESXi hostnames Fields to auto-assign the VMware ESXi hostnames
Network configuration table Action
Row 25 to 29 Enter an example of your ESXi host-naming scheme. Show your chosen prefix, separator, iterator, offset, suffix, and domain.
Table 3. Manual assignment of VMware ESXi hostnames Manual assignment of VMware ESXi hostnames
Network configuration table Action
Row 30 to 33 Enter the reserved hostname for each VMware ESXi host.

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