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Hi,

i’ve HV 2012 R2 with existsing VM’s on it that it is on a shared storage.

what are my options if i need to create a cluster for that host with the active VM’s on it?

can i create the cluster on the exists host and then add another host to the cluster or i need to create cluster from the second host and then add the first host?

what about the shared storage and the active vm’s do i need to turned them off when i add the host to the cluster?

what will happened to the shared storage on the main host when i add it to the CSV?(i can map the LUN to both server)

THX

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Hello,

I have a little test environment using nested virtualization in Windows Server 2019 wehre I need to use VLANs.

The environment consists of:

- pHost > a physical server with Hyper-V role
- vHostSwitch > a private virtual switch on pHost

- vHost1 > a virtual server on pHost with Hyper-V role, connected to vHostSwitch
(mac spoofing & ExposeVirtualizationExtensions enabled)
- vmSwitch > an external virtual switch on vHost1 (shared with management os)

- vHost2 > a virtual server on pHost with Hyper-V role, connected to vHostSwitch 
(mac spoofing & ExposeVirtualizationExtensions enabled)

- vmSwitch > an external virtual switch on vHost2 (shared with management os)

- VM1A > a virtual Server on vHost1, connected to vmSwitch (on vHost1)

- VM1B > a virtual Server on vHost1, connected to vmSwitch (on vHost1)

- VM2A > a virtual Server on vHost2, connected to vmSwitch (on vHost2)

- VM2B > a virtual Server on vHost2, connected to vmSwitch (on vHost2)

So far, so good. All Servers can ping and reach each other without VLANs.

Also everthing is fine, when I configure a VLAN on the pHost by Setting the same VLAN ID in the Hyper-V network Cards for vHost1 and vHost2.
vHost1, vHost2, VM1A, VM1B, VM2A, VM2B can still ping each other, and as expected can’t ping VMs with different or no VLANs connected to vHostSwitch.

But what I need is setting up a VLAN for VM1A and VM2A, and a separate one for VM1B and VM2B.

As soon as i set VLANs in the Hyper-V network cards for those 4 VMs, the VMs on vHost1 cannot cummincate with VMs on vHost2 in the same VLAN.
This doesn’t change wether or not I’m using VLANS on the pHost for the vHosts.
VMs in the same VLAN within one vHost can communicate without a problem.

Also Setting a VLAN for the Management OS in vmSwitch on vHost1 and vmSwitch on vHost2 stops the vHosts from communicating with each other.

In a real Environment, vHost1 and vHost2 would be physical servers connected to a physical VLAN capable switch.
But in nested virtualization the vHostSwitch needs to play the role of the physical VLAN aware switch.
While Hyper-V switches definitely can handle VLANs, it seems they drop VLAN tagged packets comming from Hyper-V switches from within the nested virtualization.

So is there any way to make VLANs work between VMs between different nested Hyper-V hosts on the same physical Hyper-V host?

thanks in advance!

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I am trying to get my head around how host and VM addressing can work when using a /30 network.

The interface on the router is /30 (say 10.1.1.1/30).  The VM needs to communicate with the router, and I don’t think NAT is an option, so seemingly the interface on the VM must be 10.1.1.2/30.  This
leaves no spare addresses on the subnet.

This being the case, how do I address the physical interface on the HyperV host and configure the virtual switch(es) to allow transparent communication between the VM and the router?

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Hello,

I want to create a new Hyper-V virtual machine.

This "machine" should only use the windows 10 installed on my windows-to-go USB stick.

Is this possible?

Moin Hajo

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I have installed Windows 10 Evaluation and necessary softwares. Now I would like to use this copy for future purpose once 90 evaluation done. 

Basically I want to make copy of it. 

ItsMeSri SP 2013 Foundation

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Good day,

I have network bridge made with 2 ethernet adapters on my Windows 2012r2 server.

Am I able to do virtual switch based on network bridge? Right now I can choose only single network adapter while switch creating :<

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i have installed two VM’s (Win server 2008 and 2008R2) in to hyper-V Server.

now i need to upgrade VM windows server 2008 to 2012R2 without losing the Day.

Please help me with this…

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Hi all 

I am working on a project with special requirement and need suggestions on how to achieve it.

Following is current configuration 

Hyper-V Infrastructure A 

1. Domain: aa.co
2. No of Hyper-V hosts: 3 
3. Failover Cluster Configured for VMs: Yes
4. No of VMs: 20
5. Networks: Management NW(192.168.2.0), iSCSI NW(192.168.1.0), Cluster Live Migration NW ( 172.18.1.0), Cluster NW (172.18.2.0)
6. SCVMM Installed: Yes, running as Virtual Machine
7. Domain Controllers : 1 Physical , 2 Virtual Machine 
8. DC OS Version : Windows Server 2012 R2 
9. Hyper-V Host OS Version : Windows Server 2012 R2 (GUI)
10. Storage Type : iSCSI ( Dell EMC)

Hyper-V Infrastructure B

1. Domain: bb.co
2. No of Hyper-V hosts: 3
3. Failover Cluster Configured for VMs : Yes
4. No of VMs: 10
5. Networks: Management NW(192.168.3.0),iSCSI NW(192.168.1.0), Cluster Live Migration NW (172.16.1.0), Cluster NW (172.16.2.0)
6. SCVMM Installed: Yes, running as Virtual Machine
7. Domain Controllers: 1 Physical, 2 Virtual Machines
8. DC OS Version : Windows Server 2016 
9. Hyper-V Host OS Version : Windows Server 2016 Data Center (Core)
10. Storage Type : iSCSI ( Pure Storage)

Additional Information 

• Hyper-V hosts in both infrastructure has access to Storage Network 
• Hyper-V hosts in aa.co domain can reach Hyper-V hosts in bb.co
• Hosts in both domains have similar number of NICs ( NIC teaming is also configured). Hosts in bb.co have more capacity in terms of CPU, RAM and Storage
• All hosts are in one rack, connected to same switch stack, external traffic is routed by one firewall.

Requirement 

• Move all VMs from aa.co domain / cluster to bb.co domain / cluster in new Hyper-V infrastructure. The reason is that aa.co infrastructure is old and had couple of hardware parts failure. 
• They don’t want two domains to talk to each other but consolidate everything in one Hyper-V infrastructure for simplicity and management purpose. one domain (aa.co) will be for internal purpose and (bb.co) for external purpose.

Questions

• What do I need to do in bb.co Hyper-V Cluster in terms of physical and virtual network in order to facilitate aa.co Hyper-V VMs to continue communication in same subnet after move. The goal is not to change anything on subnet level since this is production
  network and have live internal clients connected to DC and other applications.
• What method of Hyper-V migration I should use in this scenario ?
• Do I need to configure anything on VMM in both cluster ? Is there any other consideration I should undertake since all VMs are managed by VMM in both infrastructure ?

I have worked with Hyper-V in limited scale such as same domain, replication, export and import of VMS etc. This is new large scale migration for me and would like to explorer my options and maintain best practice as well. 

Your suggestions and ideas are appreciated. 

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Hi,

Has anyone had luck running the Capacity Planner(https://www.microsoft.com/en-us/download/details.aspx?id=39057) on Server 2016?  

thanks!

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