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xpd



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#258563 10-Oct-2019 08:43
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I'm going to move the guest to a physical box anyway, but has anyone using HyperV come across this sort of issue recently....

 

Have a VM running Windows 10 which is hosting HmailServer, a basic webserver and SpamAssassin. Was all running perfectly fine until update 1903 installed. Since then, the VM was running like a dog, taking 5 minutes to log in. Initially it was bearable as I didn't need to log into the system that often and it didn't seem to affect anything as such.

 

However now, I have to force a reboot of the system to be able to log in - when I'm logged in, Vmmem.exe on the host sits around 12% CPU usage. The second I disconnect/logoff the VM, Vmemm.exe shoots upto anything from 25%-57% and the whole system almost dies - even the webmail system absolutely crawls and times out when talking to the mailbox.

 

The other two VM's on that host are running fine, but are Linux and Windows 7 based.

 

 

 

Frustrating as hell :)

 

 





XPD / Gavin / DemiseNZ

 

 


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  #2333660 10-Oct-2019 08:50
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What is the OS of your Hyper-V host?

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  #2333667 10-Oct-2019 09:10
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Win 10 Pro 1903.

 

 





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  #2333672 10-Oct-2019 09:19
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Do you have dynamic memory set?  I think that tends to chew cpu.  I had all my VMs as static allocations and it seemed a bit less cpu intensive.

 

 

 

I use Windows 10 also for a hyper-v host (makes life so much simplier than Server - ie Acronis Home rather than having to fork out for the server product, etc).

 

 





Previously known as psycik

OpenHAB: Gigabyte AMD A8 BrixOpenHAB with Aeotech ZWave Controller, Raspberry PI, Wemos D1 Mini, Zwave, Xiaomi Humidity and Temperature sensors and Bluetooth LE Sensors
Media:Chromecast v2, ATV4, Roku3, HDHomeRun Dual
Windows 10
Host (Plex Server/Crashplan): 2x2TB, 2x3TB, 1x4TB using DriveBender, Samsung 850 evo 512 GB SSD, Hyper-V Server with 1xW10, 1xW2k8, 2xUbuntu 16.04 LTS, Crashplan, NextPVR channel for Plex,NextPVR Metadata Agent and Scanner for Plex


xpd



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  #2333674 10-Oct-2019 09:19
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davidcole:

 

Do you have dynamic memory set?  I think that tends to chew cpu.  I had all my VMs as static allocations and it seemed a bit less cpu intensive.

 

 

Set as static -tried as Dynamic once, never again ;)

 

 





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  #2333678 10-Oct-2019 09:25
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xpd



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  #2333709 10-Oct-2019 09:58
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Thanks, but nope, thats not the issue. 





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  #2334977 10-Oct-2019 12:44
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xpd:

 

Win 10 Pro 1903.

 

 

 

 

I have no experience with Hyper-V server on Windows 10, but I do know that the Server 2012 R2 does not play nice with 1809 versions of Windows (Server 2019 and Windows 10 1809) the integration tools don't work properly and requires Server 2016 and above, I don't think this will be your issue though

 

 

 

 

 

 


 
 
 
 


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  #2335015 10-Oct-2019 13:39
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Oh well, I've moved the services across to a physical box for now, will look at the HyperV route again later on. Was just odd that out of all the 1903 updates Ive done, this was the only one to cause issues :)

 

 





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  #2335058 10-Oct-2019 15:03
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xpd:

 

Oh well, I've moved the services across to a physical box for now, will look at the HyperV route again later on. Was just odd that out of all the 1903 updates Ive done, this was the only one to cause issues :)

 

 

 

 

Hmm mine is still 1809....  I guess I'll find out soon





Previously known as psycik

OpenHAB: Gigabyte AMD A8 BrixOpenHAB with Aeotech ZWave Controller, Raspberry PI, Wemos D1 Mini, Zwave, Xiaomi Humidity and Temperature sensors and Bluetooth LE Sensors
Media:Chromecast v2, ATV4, Roku3, HDHomeRun Dual
Windows 10
Host (Plex Server/Crashplan): 2x2TB, 2x3TB, 1x4TB using DriveBender, Samsung 850 evo 512 GB SSD, Hyper-V Server with 1xW10, 1xW2k8, 2xUbuntu 16.04 LTS, Crashplan, NextPVR channel for Plex,NextPVR Metadata Agent and Scanner for Plex


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