Exchange 2007 CCR over 1 Mbit connection

Lehr · Joined: 09 Jan 2008 Posts: 22

Is it possible to build up CCR cluster for exchange 2007 with two nodes
connected over 1Mbit connection between them?
when replication occuers that's like one mail is sent from active to passice
node, right?
I'm just asking because of replication issue. Is it possible that
replication is going to be ok between nodes?

Thanky you!

Archived from group: microsoft>public>exchange>clustering

Mark Arnold [MVP] · Joined: 05 Aug 2007 Posts: 1126

On Thu, 10 Jan 2008 07:48:02 -0800, Lehr
wrote:

>Is it possible to build up CCR cluster for exchange 2007 with two nodes
>connected over 1Mbit connection between them?

Yes. That's easy for me to say. It depends on what else you've got on
that wire, how much replication there will be and all those other
boring things. So, only you can really answer that question.

>when replication occuers that's like one mail is sent from active to passice
>node, right?

No. Transaction logs are replicated, not individual messages.

>I'm just asking because of replication issue. Is it possible that
>replication is going to be ok between nodes?
>
>Thanky you!

Lehr · Joined: 09 Jan 2008 Posts: 22

"Mark Arnold [MVP]" wrote:

> On Thu, 10 Jan 2008 07:48:02 -0800, Lehr
> wrote:
>
> >Is it possible to build up CCR cluster for exchange 2007 with two nodes
> >connected over 1Mbit connection between them?
>
> Yes. That's easy for me to say. It depends on what else you've got on
> that wire, how much replication there will be and all those other
> boring things. So, only you can really answer that question.
>
> >when replication occuers that's like one mail is sent from active to passice
> >node, right?
>
> No. Transaction logs are replicated, not individual messages.

Tnx Mark Smile

Lehr · Joined: 09 Jan 2008 Posts: 22

"Mark Arnold [MVP]" wrote:

> On Thu, 10 Jan 2008 07:48:02 -0800, Lehr
> wrote:
>
> >Is it possible to build up CCR cluster for exchange 2007 with two nodes
> >connected over 1Mbit connection between them?
>
> Yes. That's easy for me to say. It depends on what else you've got on
> that wire, how much replication there will be and all those other
> boring things. So, only you can really answer that question.
>
> >when replication occuers that's like one mail is sent from active to passice
> >node, right?
>
> No. Transaction logs are replicated, not individual messages.
>
> >I'm just asking because of replication issue. Is it possible that
> >replication is going to be ok between nodes?
> >
> >Thanky you!

Ok...Mark...here are informations..

CCR will be over WAN 20Mbit/s link and we produce about 300-400 MB of
transaction logs that will need to sync to passice node in CCR.

What do you think?

Mark Arnold [MVP] · Joined: 05 Aug 2007 Posts: 1126

>
>Ok...Mark...here are informations..
>
>CCR will be over WAN 20Mbit/s link and we produce about 300-400 MB of
>transaction logs that will need to sync to passice node in CCR.
>
>What do you think?

400MB of log files a day is a pretty low number and unless there is a
lot of other stuff on the 20Mb wire you should be in fine shape. It
all depends on what else you're planning to have on the wire during
the normal course of events. If everything is just replication traffic
for Exchange and other services to an alt. data centre and no
unpredictable user operations take place I wouldn't see a problem, all
assuming that latency on the line isn't a problem for you.

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