Hi,
In this case it must be application-level loadbalancing. Is It?
I think so because i see in your link there ia a list of brokers and they are specified by URL so this is application level loadbalancing.
and you can do it.
The full format of the broker URL is given by this grammar:
Från: Terance Dias <terance@xxxxxxxxxxxxxxx>
Till: Binan AL Halabi <binanalhalabi@xxxxxxxxx>; linux clustering <linux-cluster@xxxxxxxxxx>
Skickat: torsdag, 18 oktober 2012 14:20
Ämne: Re: CMAN nodes in different LANs
In this case it must be application-level loadbalancing. Is It?
I think so because i see in your link there ia a list of brokers and they are specified by URL so this is application level loadbalancing.
and you can do it.
The full format of the broker URL is given by this grammar:
url = "" user ["/" password] "@" ] addr ("," addr)*
addr = tcp_addr / rmda_addr / ssl_addr / ...
tcp_addr = ["tcp:"] host [":" port]
rdma_addr = "rdma:" host [":" port]
ssl_addr = "ssl:" host [":" port]'
The URL can be virtual IP (simple case) or URL as above (This what you want).// Binan
Från: Terance Dias <terance@xxxxxxxxxxxxxxx>
Till: Binan AL Halabi <binanalhalabi@xxxxxxxxx>; linux clustering <linux-cluster@xxxxxxxxxx>
Skickat: torsdag, 18 oktober 2012 14:20
Ämne: Re: CMAN nodes in different LANs
I cannot use Virtual IP addresses since my 2 networks are in different geographical locations and therefore the IP cannot be relocated. Is it possible to build this cluster without virtual IP addresses?
Thanks,
Terance.
On Thu, Oct 18, 2012 at 5:06 PM, Binan AL Halabi <binanalhalabi@xxxxxxxxx> wrote:
Hello,You can build a cluster with nodes on different LANs but your resource manager must support Virtual IP addresses.As i see in your link this is supported in the resource manager.
// Binan
Från: Terance Dias <terance@xxxxxxxxxxxxxxx>
Till: linux clustering <linux-cluster@xxxxxxxxxx>
Skickat: torsdag, 18 oktober 2012 8:44
Ämne: Re: CMAN nodes in different LANs
Sorry I did not give much context of what I'm trying to do.I'm trying to set up a cluster of nodes running apache qpid as mentioned in the documentation hereThe documentation says that cluster mechanism uses cman and rgmanager but does not directly depend on openais or corosync and does not use multicasting. It also says "Replication to a disaster recovery site can be handled as simply another node in the cluster, it does not require a separate replication mechanism" . I think by "disaster recovery site" it means a different network. I'm very new to clustering so I just wanted to know if it is possible to use cman and rgmanager with cluster nodes in different networks.Thanks,Terance.On Thu, Oct 18, 2012 at 2:43 AM, Digimer <lists@xxxxxxxxxx> wrote:
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It normally uses multicast, but you can use unicast with newer
On 10/17/2012 05:11 PM, Sam Wilson wrote:
> I might be totally missing something but unless you specify
> otherwise doesn't cman require layer 2 connectivity between nodes?
>
> Cheers,
>
> Sam
>
corosync (I've not tried this). I am not sure if two nodes in separate
subnets works, I've also never tried this. I have to think it would be
a bad idea, given the need to fast/stable networking.
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