Hello,
I wonder if there is a possibility to create a cascade of two vswitches where
uplink of one vswitch is connected directly to another vswitch.
The reason for this is since we have group of linux virtual machines connected
through a vswitch which provides connectivity to outside world throug
>>> On 6/5/2012 at 07:26 AM, "Krpata, Pavel" wrote:
> Thus I thought about connecting uplinks of all 'local' vswitches in each set
> to a single main vswitch.
> Is anything like this possible or it is nonsense in z/VM virtual world?
I don't think it's possible without involving one or more Linu
> >>> On 6/5/2012 at 07:26 AM, "Krpata, Pavel"
> wrote:
> > Thus I thought about connecting uplinks of all 'local' vswitches in
> > each set to a single main vswitch.
> > Is anything like this possible or it is nonsense in z/VM virtual world?
>
> I don't think it's possible without involving one
You can have the same "practical" topology with just different
VSWITCHES. For the Linux side, the VSWITCH is transparent, and the
only "hardware part" that matters is the OSA channels. As long as you
have the same number everywhere, it won't be a problem.
You can have your "Group1" Linuxes with an
I'd suspect that just running ntpd would be a preferably option here.
Otherwise, you will get a cron awakened activity / network peak as
dozens or hundreds of servers all wake up and try to sync their time.
ntpd really is a very low impact service to run, both in terms of
network and server resour
All true, but I think the point was not to need additional OSA ports, though.
AFAIK, you can't use a virtual NIC as the "OSA" for a 2nd VSWITCH.
If I'm reading the original post correctly, he's trying to emulate the (very
common in labs) situation where you have one physical port connected to th
Thanks Sirs Richard, John, DavidB, Rob, DavidD, Bear, Thomas, Patrick and
Madame Marcy -
I appreciate your input very much! I believe it has helped decide in
favor implementing ntpd on Linux guests in this particular instance.
A special thanks to Rob for his presentation which helped myself and
Pavel Krpta wrote on 06/05/2012 07:26:00 AM:
> I wonder if there is a possibility to create a cascade of two
> vswitches where uplink of one vswitch is connected directly to
> another vswitch.
> The reason for this is since we have group of linux virtual machines
> connected through a vswitch whic
>If I'm reading the original post correctly, he's trying to emulate the (very
>common in labs) situation where you have one physical port connected to the
>"outside" network and a physical >switch, and then connect zero or more
>additional switches to the first switch to add ports to the same co
> On Tue, Jun 5, 2012 at 8:33 AM, Patrick Spinler
> wrote:
>
> > I'd suspect that just running ntpd would be a preferably option here.
> > Otherwise, you will get a cron awakened activity / network peak as
> > dozens or hundreds of servers all wake up and try to sync their time.
It would depend a
On Tuesday, 06/05/2012 at 11:44 EDT, David Boyes
wrote:
> All true, but I think the point was not to need additional OSA ports,
though.
> AFAIK, you can't use a virtual NIC as the "OSA" for a 2nd VSWITCH.
A guest can have multiple vNICs, each the uplink port (as it is called) of
different VSWITCH
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