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тАО02-22-2010 07:06 AM
тАО02-22-2010 07:06 AM
DL385G5P Servers hanging with Hyper-V live migration
I'm hoping someone here can help, as I have not managed to come right with HP support (although spares are on their way) or Microsoft support.
We have 6 Windows 2008 R2 + Hyper-V cluster deployments (on a variety of hardware - DL365, DL385, Dl585, DL360). They all run fine, except the DL385G5P servers, which ALL exhibit the same behaviour:
About 50% of the time we perform a live migration (moving a running VM from one physical host to another), the host server freezes up completely. It is so frozen that not even an ILO NMI crash dump does anything.
Now this behaviour is being experienced across two different clusters of 385G5P servers, and these servers were purchased about 7 months apart, so I don't think it's a bad batch of boards or something.
Microsoft support has checked the cluster config and it's all correct. HP is sending a new motherboard to test with tomorrow, but in the mean time I'd like to find out if anyone is using Hyper-V R2 on Dl385G5P servers successfully? I suspect there could be an incompatibility issue which no one else has picked up yet.
We have done the following:
- swapped out memory
- installed with and without smartstart
- upgraded all firmware (firmware cd 8.7)
- updated windows
- updated all drivers to latest version
- tried with and without teaming
I have run out of options. It looks like the 385's were a poor choice to run Hyper-V.
Rgrds
Ascendo
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тАО02-22-2010 01:26 PM
тАО02-22-2010 01:26 PM
Re: DL385G5P Servers hanging with Hyper-V live migration
cast an eye here
check out the intel link too from site below..
http://ts2community.com/blogs/rwagg/archive/2009/02/06/hyper-v-live-migration-details.aspx
good luck
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тАО02-22-2010 11:20 PM
тАО02-22-2010 11:20 PM
Re: DL385G5P Servers hanging with Hyper-V live migration
In addition, having different CPU types will cause live migration of the VM to fail, and not the entire host (and therefore all the VMs on it).
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тАО03-05-2010 04:26 AM
тАО03-05-2010 04:26 AM
Re: DL385G5P Servers hanging with Hyper-V live migration
We get exactly the same symptoms as mentioned.
We also find that the Hyper-V nodes also freez or lock up under heavy load. I can try and login via iLO or RDP, but it gets to the Welcome message after typing in username / password and just sticks there. It's really annoying. All the latest patches are installed to the OS, and the latest firmware and drivers have been applied.
This also manifests itself on DL385 G2 systems, but Live Migrate does not cause the system to crash.
Does anyone else have this issue too ?
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тАО03-05-2010 04:35 AM
тАО03-05-2010 04:35 AM
Re: DL385G5P Servers hanging with Hyper-V live migration
We still have open cases with both HP and MS. I have in fact shipped two of my servers to MS to enable them to investigate the problem.
What CPUs are you running? What storage are you using? We have only been able to replicate the problem with more than 1 VCPU - could you perhaps try with only 1 VCPU assigned to the VM to see if you experience the crash?
I would also appreciate it if you could log a case with HP and reference support case # 4610661781. If they know this is not an isolated case, we may get more eyes looking at the problem.
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тАО03-05-2010 04:57 AM
тАО03-05-2010 04:57 AM
Re: DL385G5P Servers hanging with Hyper-V live migration
Check below link for advisory for DL385 G5Pserver, hope it will resolve are issue,
Advisory: Windows Server 2008 - HP Integrated Lights-Out (iLO) High Performance Mouse May Not Respond When Running In a Microsoft Hyper-V Virtual Machine
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=3454575&prodTypeId=15351&prodSeriesId=3454575&objectID=c01722344
Advisory: Windows Server 2008 R2 - Blue Screen Is Displayed After Initial Reboot When Hyper-V Installed on Windows Server 2008 R2
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01905084тМй=en&cc=us&taskId=101&prodSeriesId=3454575&prodTypeId=15351
ProLiant Server Hyper-V Support Matrix
http://h71028.www7.hp.com/enterprise/us/en/servers/ws-server-2008-archive.html
This is how we thank each other in the forum
http://forums11.itrc.hp.com/service/forums/helptips.do?#33
Regards.
Erdogan.
No support by private messages. Please ask the forum!
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тАО09-15-2010 12:07 PM
тАО09-15-2010 12:07 PM
Re: DL385G5P Servers hanging with Hyper-V live migration
We are in the same boat as your post above.
We have 9 DL385g5p servers in two clusters running Hyper-V, and we frequently get crashes on the source host when we perform live migrations.
This afternoon we had another failure, and a google threw up you post with the exact same issue we are seeing.
It would appear that this occurs for us also when live migrating a vm with > 1 virtual processors.
Did you ever find a resolution for this, as there seems to be very little on this issue published elsewhere.
I'd be greatful if you could let me know if you have a resolution, and if so... what was it?
many thanks,
Nick
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тАО09-20-2010 01:00 AM
тАО09-20-2010 01:00 AM
Re: DL385G5P Servers hanging with Hyper-V live migration
There is an aknowledged fault withing the AMD family 10h processoros which causes this problem when migrating VMs with more than one virtual processor.
Microsoft have published a KB article and hotfix here : http://support.microsoft.com/kb/981618
I can confirm (for us, at least) this resolves the issue