Problemas con la red virtual. Es mucho mas lento o pobre las vm de windows 2019 que en windows 2012

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Occasional Contributor

Hola, Estamos teniendo problemas en la performance de la red virtual.

Estamos utilzando un hyperV en  un windows 2019 datacenter y vemos que al crear un equipo virtual windwos 2019 y hacer un tnsping (usamos oracle en la misma lan) la comunicacion es lenta y tenemos mucho milisegundos de retraso. ver adjunto "tnsping bien"

En cambio si ese mismo tnsping lo ejecutamos en una maquina virtual version 5 migrada desde un windows hyperv 2012 (fue creada en windows 2012 r2), vemos que el tnsping es casi perfecto (0ms)

ver adjunto "tnsping mal"

Hemos realizado la prueba con varias maquinas distintas y siempre conectado a la misma vmswitch y vmnetwork, y lo unico que hemos podido ver es que la "configuration version" dela VM es 5.0 en la que funciona y las 8.0 y 9.0 no funcionan. (ver ajunto "versiones hyerv.png"

 

Alquien que me pueda ayudar?.. muchas gracias

 
 
 
 

 

 

9 Replies
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First I'd check here and with manufacturer that the hardware has support for Server 2019

https://www.windowsservercatalog.com/

 

Also check with manufacturer about the latest ROM bios, firmware, chipset and driver support pack.

 

 

 

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Hola, muchas gracia por su respuesta.

Los equipos son dell PE 740 y tienen todos los componentes compatibles con S2D.

 

Tiene los últimos driver de la bios, de la tarjetas de red y los ultimos parches del sistema windows 2019

 

saludos

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The server manufacturer will be your best resource for debugging performance issues with the hardware.

 

 

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@Dave Patrick  el problema no parece ser de hardward...

 

he probado que una maquina virtual creada en version 5.0 (2012 r2) y luego migrada a el hyperv 2019 no tiene problemas, pero una maquina virtual version 8.0 o 9.0 si tiene problemas en cualquiera de las dos versiones (he probado con varias maquinas de cada version tanto 5.0 como 8 y 9)

 

Por lo cual no aparenta ser un problema del hardward ya que sino me daria siempre dicho problema sin importar la version de la VM que ejecuto sobre el windows 2019.

 

muchas gracias por tu respuesta

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Regardless the bottom line is to check with manufacturer that the hardware has support for Server 2019. Even if it doesn't this does not mean it can't or won't work but it does mean the process of vetting all the components is on the end user to do. In the end its still an unsupportable system.

 

 

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@Dave Patrick thank

Ya abri el caso en DELL, y me agendaron para esta tarde, luego comento como me fue..

 

gracias.

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Sounds good, you're welcome.

 

(please don't forget to mark helpful replies)

 

 

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@Dave Patrick El soporte DELL no encuentra nada. Actualizo los drivers pero sigue todo igual. 

El problema tiene que ser del windows 2019 y la optimizacion de la red, ya que una maquina virtual en 2012r2 (version 5.0) anda bien y la vm en 2019 (version 9.0) anda mal .. ambas maquinas en el mismo servidor fisico 2019 simultaneamente. 

Tiene que haber algo en la optimización que hicieron de las VM que esta provocando esto. 

por ejemplo la Virtual machine multi queues (VMMQ) que fue agregado en la version 7.1 

https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/deploy/upgrade-virtual-machin...

 

Porque lo seguro que en la version 5.0 funciona bien y en la 9.0 no.

 

muchas gracias por tus respuestas...

 

 

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Regardless, the fact remains; the bottom line is to check with manufacturer that the hardware has support for Server 2019. Even if it doesn't this does not mean it can't or won't work but it does mean the process of vetting all the components is on the end user to do. In the end its still an unsupportable system.