VSAN quastion

sword12
sword12 used Ask the Experts™
on
HI experts

can we configure 2 VSAN clusters using the same Vcenter ?  and the same VDS ?

for example  we have 6 physical hosts

VASN- production
esxi1
esxi2
esxi3

VSAN-Test
esxi4
esxi5
esxi6

this is just question nothing to do in real



thanks
Sword
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VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017
Commented:
vSAN is enabled on the Cluster, which can be managed by vCenter Server.

It's also recommended to use 4 hosts per vSAN Cluster, and VMware HA enabled.

You will also require the correct number of licenses for CPU in the Hosts.

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Commented:
Thank you Andrew

i just configured test . i found it is not possible to build 2 different VSAN cluster using the same VDS

otherwise you will get

VMware Virtual SAN configuration fails with the error: Found another host participating in the VSAN service which is not a member of this host's vCenter cluster (2062704)

this because of VSAN traffic use the same VLAN ID

so i created another VDS and i used different VLAN ID for the second VSAN traffic and it worked

thank you
Sword
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
All hosts and objects must be part of the same cluster!

so if you are using the same VDS for both Clusters, that's not allowed, as you have found!

everything has got to be unique for the Cluster, and VSAN.

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