[Users] Re: HN & VEs in multi-subnet VLAN

[Tim Benoit]

Strangely enough, it appears as though nothing may need to be done.

VLAN100 contains 2 subnets: 192.168.1.48/29 and 10.10.10.48/30

I setup the HN in 192.168.1.48/29
VE1 in 192.168.1.48/29
VE2 in 10.10.10.48/30

I was able to communicate to both VEs from outside the HN (from outside 
of both segments in that VLAN).


Thanks for the DRBD & Heartbeat information. I'm not yet looking to 
automate the fail-over, but that may be something to consider for the 
future :)


Thanks,

Tim Benoit
tim at thebenoits.net



Suno Ano wrote:
>  Tim> Our processes allow for "fail-over" from a failing server onto a
>  Tim> good server. We do this by using OpenVZ. So, if "Server5" should
>  Tim> fail (let's assume its CPU died), we would fail-over the "Server5"
>  Tim> virtual environment (which includes its IP Address) onto "Server1"
>  Tim> and clients will still be able to connect to their normal IP
>  Tim> Address. Server1 would then have 2 virtual environments, one on
>  Tim> 192.168.1.11/27 and the other on 192.168.2.21/27, and it's
>  Tim> hardware node configured as 192.168.1.10/27.
>
> sounds to be as if you were up to create a bridge on the HN and add the
> VEs interfaces to that bridge
>
>
>  Tim> A "fail-over" is not an automated process, but a restore from the
>  Tim> last backup of the VE onto another hardware node.
>
> with the link below and some modification that should be no problem
>
>  Tim> Will OpenVZ support this type of setup without additional
>  Tim> configuration?
>
> yes, I would opt for
> http://wiki.openvz.org/HA_cluster_with_DRBD_and_Heartbeat
>
> Whatever you finally come up with, please put your notes etc. onto the
> wiki -- maybe write a howto about it ...
>
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