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idata
Community Manager
1,345 Views

Intel Gigabit ET2 Quad Port Server Adapter, Hyper-V and NLB problem

Since I've had no luck in the general forum so far, I'll try here as well

Setup:

NOS is Windows 2008 R2 Datacenter Edition with SP1

Hyper-V Cluster with 2 nodes: IBM x3690 X5 with Intel Gigabit ET2 Quad Port Server Adapter added.

The four Intel ports have been teamed in VMLB mode. The physical server has no access to the team - only VMs communicate through it.

Drivers:

PROWinx64.exe

Driver version (team adapter): 9.8.41.0

Driver version (physical NIC): 11.14.48.0

Objective:

Use NLB on two VMs (info: VM roles are Exchange 2010 CAS/HUB)

Problem:

In order to use NLB on the VMs you need to enable MAC spoofing on the virtual NIC.

When MAC spoofing is enabled on the virtual NIC the following happens:

1) When you try to shutdown a VM with MAC spoofing enabled, the VM gets stuck with the status "Shutting down"

It is not possible to force it down in any way through VMM, Failover Cluster Manager or Powershell.

2) When rebooting the host server, the server get stuck on "Shutting down Cluster Service service". Now the only option is to power it off

or wait a long time - eventually it will "blue screen".

Now, we have only found one "solution": If we remove one NIC from the team, create a new virtual switch connected to that single physical NIC, and connect the two VMs to the new virtual switch, MAC spoofing, NLB etc. works perfectly.

This suggests to me, it could be a problem with the Virtual team adapter driver, or the teaming software....

After shutting down the host server, the Cluster log file contains hundreds of lines like this:

00000a94.00002f44::2011/12/21-17:21:28.097 ERR [API] s_ApiAddNotifyCluster: ERROR_CLUSTER_NODE_SHUTTING_DOWN(5073)' because of 'Shutting down.'00000a94.00002f44::2011/12/21-17:21:28.097 ERR [API] s_ApiGetNotify: ERROR_CLUSTER_NODE_SHUTTING_DOWN(5073)' because of 'Shutting down.'

Any suggestions or solutions are welcome

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4 Replies
Mark_H_Intel
Employee
100 Views

Is the cluster operation mode configured for Unicast or Multicast? According to the Intel® Gigabit Server Adapter Guide, only multicast mode is supported by the Intel ANS (teaming) driver.

Mark H

idata
Community Manager
100 Views

Could you link to that guide, please?

Edit: I guess you're referring to the NLB configuration, and not the (Hyper-V) failover cluster?

Mark_H_Intel
Employee
100 Views

The User Guide can be downloaded from http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=11848 http://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=11848. If you have the CD that ships with most of the adapters, the User Guide is on the CD.

idata
Community Manager
100 Views

Looks like this was a hardware problem. After changing the network adapter in one of the servers, it seems to work as expected.

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