Solved

Hyper-V 3.0 Guest Start up Delays

Posted on 2014-02-21
6
40 Views
Last Modified: 2016-05-30
I have upgraded two HP DL380 G5 servers using fresh full installations of Windows Server 2012 R2 with Hyper-V Role

Everything seems to be working like it was with Windows Server 2008 R2 but when I start up new Hyper-V guests they progress quickly to 10% then frequently stall for very long periods (20 to 100 seconds) before continuing to load and run normally

I have never observed such delays when using the same hardware and guests (Windows 7, 2008 R2, 2012 R2, 2003 R2) running under Windows 2008 R2 so what is different and can these delays be reduced?
0
Comment
Question by:ARampton
  • 4
6 Comments
 
LVL 57

Accepted Solution

by:
Cliff Galiher earned 500 total points
ID: 39877301
The G5 series is pretty old and no drivers were written for 2012 or 2012 R2. VMs still need to hook into the VMBus of the hypervisor, and that is particularly susceptible to I/O management issues with drivers. Put simply, it has been my experience that running Hyper-v on unsupported hardware almost always displays performance problems that go unnoticed with a single OS. It is just the nature of how much more strictly a hypervisor must manage the hardware. I've seen similar issues with new versions of ESX on old hardware.
0
 

Author Comment

by:ARampton
ID: 39934129
I would appreciate some reasons for the significant pauses when starting up a new VM

Is this a Hyper-V searching for other Guests with the GUDI it is trying to apply to the new VM?
0
 

Author Comment

by:ARampton
ID: 40117911
Has anyone got a list of what checking Hyper-V does when loading and running a guest

Is this checking different the first time a new guest is run?
0
 

Author Comment

by:ARampton
ID: 40211242
I know Microsoft got a lot wrong with the original release of Server 2012 R2 that has been fixed but its Update but I still get erratic Hyper-V guest start-up delays

What can cause these?
0
 

Author Comment

by:ARampton
ID: 40303860
I still observer differing start-up delays even on our DL380 G7 server running Server 2012 R2 but don't understand what causes the variations
0

Featured Post

NAS Cloud Backup Strategies

This article explains backup scenarios when using network storage. We review the so-called “3-2-1 strategy” and summarize the methods you can use to send NAS data to the cloud

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Recently, I was assigned the task of performing a hardware refresh in the datacenter. The previous Windows 2008 systems were connected to the SAN via fiber channel HBA’s and among other thing, had PowerPath installed in order to provide sufficient f…
I don't know if many of you have made the great mistake of using the Cisco Thin Client model with the management software VXC. If you have then you are probably more then familiar with the incredibly clunky interface, the numerous work arounds, and …
This tutorial will walk an individual through the steps necessary to join and promote the first Windows Server 2012 domain controller into an Active Directory environment running on Windows Server 2008. Determine the location of the FSMO roles by lo…
This tutorial will walk an individual through the process of transferring the five major, necessary Active Directory Roles, commonly referred to as the FSMO roles from a Windows Server 2008 domain controller to a Windows Server 2012 domain controlle…

773 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question