tinglyfox
Contributor
Contributor

vMotion 3 hosts direct connect

Jump to solution

I have 3 hosts with each 2 x RJ-45 10gbit free I'd like to use for vMotion. I have no 10gbit hardware switch, so I need to connect them directly.

How do I best accomplish this?

Tags (2)
1 Solution

Accepted Solutions
VysakhNair
Enthusiast
Enthusiast

tinglyfox

To Configure VMkernel vSwitch with vMotion enabled all hosts should be able to communicate each other hosts vMKernel Ports and vCenter.

To make this work with 10G throughput first upgrade your physical layer that can support 10G

---------------------------------------------------------------------------------------------------------

Was it helpful? Let us know by completing this short survey here.

Please consider marking this answer "correct" or "helpful" if you think your question have been answered correctly. Vysakh Nair Blog - https://www.vxpert.in

View solution in original post

0 Kudos
9 Replies
VysakhNair
Enthusiast
Enthusiast

tinglyfox

Do you have vCenter in your environment and these hosts are part of vCenter ?

Please consider marking this answer "correct" or "helpful" if you think your question have been answered correctly. Vysakh Nair Blog - https://www.vxpert.in
0 Kudos
tinglyfox
Contributor
Contributor

Yes they are all joined to a cluster in vCenter.

0 Kudos
VysakhNair
Enthusiast
Enthusiast

tinglyfox

How these hosts are connected to physical layer now? What is the speed supported on current uplink/switch

Please consider marking this answer "correct" or "helpful" if you think your question have been answered correctly. Vysakh Nair Blog - https://www.vxpert.in
0 Kudos
tinglyfox
Contributor
Contributor

I have management network in a single vswitch on a single 1gbit uplink to 1gbit switch.

I have VMs in a single vswitch on a single 1gbit uplink to 1gbit switch.

vMotion also in single vswitch with 1gbit uplink to 1gbit switch.

So management, VMs and vMotion resides in each their own vswitch separated by VLAN in the hardware switch.

vMotion looks like this:

Host 1: vSwitch1:vmkernel vMotion: vmnic3: 172.16.0.1

Host 2: vSwitch1:vmkernel vMotion: vnmic3: 172.16.0.2

Host 3: vSwitch1:vmkernel vMotion: vmnic3: 172.16.0.3

I tried to add vmnic6+7 to vswitch1 and remove vmnic3, and then inter-connected all the 3 hosts directly, but vMotion then fails.

0 Kudos
VysakhNair
Enthusiast
Enthusiast

tinglyfox

When you connect the 10G RJ45 ports to your 1G switch is it supported and showing connected with 1G speed ?

If supported create a new VMKernel port with that uplinks and enable vMotion on same after disabling vMotion on existing Mgmt vSwitch.

Please consider marking this answer "correct" or "helpful" if you think your question have been answered correctly. Vysakh Nair Blog - https://www.vxpert.in
0 Kudos
tinglyfox
Contributor
Contributor

vMotion has already been disabled on the management vSwitch, and runs separately.

I would like to get the throughput of the 10gbit ports, so connecting them to the 1gbit hardware switch will only get be 1gbit - however it is supported.

I'm more concerned with the config of the vmkernel.

I don't understand why adding the 10gbit RJ45 ports to the vMotion switch and connecting them all together doesn't work.

So perhaps I need to do a vSwitch with a vmkernel vMotion for each vmnic with each its own IP?

0 Kudos
VysakhNair
Enthusiast
Enthusiast

tinglyfox

To Configure VMkernel vSwitch with vMotion enabled all hosts should be able to communicate each other hosts vMKernel Ports and vCenter.

To make this work with 10G throughput first upgrade your physical layer that can support 10G

---------------------------------------------------------------------------------------------------------

Was it helpful? Let us know by completing this short survey here.

Please consider marking this answer "correct" or "helpful" if you think your question have been answered correctly. Vysakh Nair Blog - https://www.vxpert.in

View solution in original post

0 Kudos
tinglyfox
Contributor
Contributor

Alright, so you're saying I cannot connect all 3 nodes directly without physical layer?

0 Kudos
daphnissov
Immortal
Immortal

Yes, you need a switch.