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joe_elway
Honorable But Hopeless Addict

Ireland
7406 Posts
Status: offline
Posted - 03/05/2012 :  08:49:13 AM  Show Profile  Visit joe_elway's Homepage  Reply with Quote
I've been holding back as much as possible on this subject until we reached beta. Now we're here, so I've started blogging at http://www.aidanfinn.com/?tag=windows-server-8

The mount to cover is huge. My developer preview feature list (http://www.aidanfinn.com/?p=11979) needs quite a bit of work.
Aidan Finn
MCSE, MVP (Virtual Machine)

IT Blog: http://www.aidanfinn.com
My Photography: http://www.aidanfinnphoto.com/
Books: WS2012 Hyper-V Installation & Config Guide, MSFT Private Cloud Computing
Twitter: http://twitter.com/joe_elway

Pesos
Honorable But Hopeless Addict

USA
3519 Posts
Status: offline
Posted - 03/18/2012 :  11:30:36 PM  Show Profile  Reply with Quote
Exciting stuff! Got a couple production hosts running on the beta already - it's great (except for metro)!
-Wes
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Pesos
Honorable But Hopeless Addict

USA
3519 Posts
Status: offline
Posted - 04/04/2012 :  3:40:36 PM  Show Profile  Reply with Quote
Aidan, have you seen or heard of any issues with nic saturation causing high latency on win8 vms? I've got a setup where if I start imaging a client via WDS from a 2008r2 guest on a win8server hyper-v host, it seems to slam things and that guest and all other guests on the box get very high latency in ping tests...
-Wes
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joe_elway
Honorable But Hopeless Addict

Ireland
7406 Posts
Status: offline
Posted - 04/05/2012 :  08:32:19 AM  Show Profile  Visit joe_elway's Homepage  Reply with Quote
Wes, I wouldn't call that a Hyper-V issue. I'd say that's one VM filling the pipe to the detriment to the others, just like a physical server could on a shared uplink. You can control that sort of thing using QoS, new in Windows Server 8. You can see more on that here: http://channel9.msdn.com/events/BUILD/BUILD2011/SAC-439T
Aidan Finn
MCSE, MVP (Virtual Machine)

IT Blog: http://www.aidanfinn.com
My Photography: http://www.aidanfinnphoto.com/
Books: WS2012 Hyper-V Installation & Config Guide, MSFT Private Cloud Computing
Twitter: http://twitter.com/joe_elway
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Pesos
Honorable But Hopeless Addict

USA
3519 Posts
Status: offline
Posted - 04/05/2012 :  3:44:02 PM  Show Profile  Reply with Quote
Hmm. Never seen this happen in identical situations under 2008r2.

Have a win8 hyper-v host plugged into a gigabit switch, together with a workstation plugged into same gigabit switch imaging via WDS.

That gigabit switch is then uplinked into the rest of the network all running on a cisco 10/100 switch. Pings from hosts on the cisco to other VMs on the win8 host have latency fluctuating wildly into the hundreds in some cases...
-Wes
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joe_elway
Honorable But Hopeless Addict

Ireland
7406 Posts
Status: offline
Posted - 04/10/2012 :  08:37:45 AM  Show Profile  Visit joe_elway's Homepage  Reply with Quote
If you think you found a bug then you should submit a report on Connect. It is a beta afterall :)
Aidan Finn
MCSE, MVP (Virtual Machine)

IT Blog: http://www.aidanfinn.com
My Photography: http://www.aidanfinnphoto.com/
Books: WS2012 Hyper-V Installation & Config Guide, MSFT Private Cloud Computing
Twitter: http://twitter.com/joe_elway
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