Domino Cluster Server move to Data Center

We have mission to move our Domino Cluster server move to data centre ,management already the ready connection from our company network to data centre  .Please advice
1.what is the gateway IP i should configure for PTR3 and PTR4 .
2.For the M1 i think the local IP no need to change but i not sure please advice
3.The PTR3 what should i plug to ? Firewall ?If yes ,please advice
YaYangTeahAsked:
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Sjef BosmanGroupware ConsultantCommented:
Hi YaYangTeah,

Your question isn't very clear to me. Could you ask it again, and tell us more about the environment. We don't have crystal balls, we cannot see what's in and around your server. What is your network? What are PTR3 and PTR3?

Please explain more in detail. Thanks.
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Steve KnightIT ConsultancyCommented:
As Sjef, you ask very specific questions that don't really mean much to us.  The questions sound more like how you should be arranging the TCPIP addressing and communications.

All you need for Domino clustering is IP communication with correct ports open in any firewalls between them, moving a cluster should be relatively trivial if you have sufficent capacity in that you take one node offline, move it to the new location, adjust DNS records as needed and wait for everything to be stable and users able to communicate with that node too, then move each of the other nodes in the same way.

If you are moving the whole data centre / VLAN then you just need to ensure routing is available to get IP to the new location.

Perhaps a small diagram or more details would help.

Steve
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bbaoIT ConsultantCommented:
i am guessing if the author forgot to attach a topology diagram which may give the references to the things like PTR3 and PTR4. :-)
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YaYangTeahAuthor Commented:
Yah..i forgot to upload the files...now is file is attached .
Datacenter-Diagram-Analysis-Stud.pdf
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bbaoIT ConsultantCommented:
> 1. what is the gateway IP i should configure for PTR3 and PTR4.

RTR4's default gateway should be 192.157.20.13.

RTR3's default gateway can be 10.0.1.1 or 192.157.20.14, depending on which gateway has more traffic and if 10.0.1.1 is a NAT or routing device.

however, if 10.0.1.1 is a routing device and the hosts in data centre need to reach DMZ or LAN subnets, RTR3 does need to have additional static or dynamic routes to be added in its routing table.

if 10.0.1.1 is a NAT gateway, RTR3's default gateway should be 192.168.20.14.

> 2. For the M1 i think the local IP no need to change

no need.

> 3. The PTR3 what should i plug to? Firewall?

i guess the firewall is referred to the brick-wall device. as we discussed above, it can be a NAT device or router (if the role of the top-left router is a firewall).

similar to RTR3, the firewall device must have additional static or dynamic routes to the subnets in data centre and DMZ/LAN subnets (if the devices in the middle are not hubs or switches).
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Steve KnightIT ConsultancyCommented:
Have you considered the Domino side of this move?
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YaYangTeahAuthor Commented:
Sorry i not good in networking ,i would like to ask again the question below

1.for the RTR3 fa0/1 interface what IP should i configure ?

2.Let said i want to plug RTR3 fa0/1 to one of the firewall IP interface show what IP should I configure in firewall?

3.Do i need do routing in firewall all just create the rules ?

4.10.0.1.1 is the LAN not the WAN link So base from this information can you give more accurate answer ?

5.for the RTR4 fa0/1 interface what IP should i configure ?

6.So what IP i need to assign for the cluster IP for M1 and M2 ?
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bbaoIT ConsultantCommented:
> 1. for the RTR3 fa0/1 interface what IP should i configure ?
> 2. Let said i want to plug RTR3 fa0/1 to one of the firewall IP interface show what IP should I configure in firewall?

just noticed that, per the diagram, RTR3, firewall, M1 and M2 are on the same LAN subnet 10.0.0.0/16. initially i thought RTR3 is connected to the firewall via a separated link, that's probably why some of my previous description might confuse you.

any unique IP on the 10.0.0.0/16 subnet. e.g. 10.0.1.1 for the firewall and 10.0.1.2 for the RTR3.

> 3. Do i need do routing in firewall all just create the rules ?

as i said above, it depends on your inter-networking requirements such as if the DMZ/LAN subnets are required to access any subnet at the data centre, or any data centre hosts are required to access back to the DMZ/LAN subnets.

> 4. 10.0.1.1 is the LAN not the WAN link So base from this information can you give more accurate answer ?

if by design the RTR3 is connected to the 10.0.0.0/16 subnet, there is no need to have a direct link from RTR3 to the firewall. instead, just simply connect RTR3 to the switch connecting the firewall and the LAN.

> 5. for the RTR4 fa0/1 interface what IP should i configure ?

i think the FA0/1 interface is not indicated in the diagram, it should be the interface connecting to the data centre subnet. accordingly, the IP address should follow the IP schema for the subnet of data centre.

> 6. So what IP i need to assign for the cluster IP for M1 and M2 ?

the current IP scope 1.1.1.0/24 for the heart-beating subnet is not covered by the LAN subnet 10.0.0.0/16, hence there is no need to change the given IPs.
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YaYangTeahAuthor Commented:
Okay ,now assume my PTR04 fa/01 is configure as 10.0.1.2 and plug it directly to 10.0.1.1 switch.
1.I believe that my LAN IP and the gateway still retain ,so i must configure another interface to connected to the datacenter link ,i think the gateway must 10.0.1.3 then what IP should i give .Then How about RPTR 4 that fa0/1 is already configure 10.1.1.1 then How do i need to configure for M2 IP interface ?
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YaYangTeahAuthor Commented:
Okay ,now assume my PTR03 fa/01 is configure as 10.0.1.2 and plug it directly to 10.0.1.1 switch.
In the M1 I believe that LAN IP and the gateway still retain ,so i must configure another interface to connected to the datacenter link ,i think the gateway must 10.0.1.3 then what IP should i give .Then How about RPTR 4 that fa0/1 is already configure 10.1.1.1 then what ip should i configure for M2 IP interface ?

Then how about my cluster link ?
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Steve KnightIT ConsultancyCommented:
Is this a Domino native application level cluster or server based cluster?
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YaYangTeahAuthor Commented:
That is apllication cluster
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YaYangTeahAuthor Commented:
I have amend the diagram litter bit ,please advice how do I configure the IP for M1 and M2,please help me to amend the configuration below.Thank you

How about the Domino Cluster IP for both mail server because now the configuration is use private IP for the cluster link ,how should i make it work ?

M1
Interface 1(Internal Access)
IP:10.0.0.251/16
Gateway:10.0.1.1

Interface 2(Send and received traffic to the data center)
IP: ? /16
Gateway:10.0.1.2

M2
Interface 1(Internal Access from company)
IP:10.0.0.253/16
Gateway: 10.1.1.1
Datacenter-Diagram-Analysis-Stud.pdf
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Steve KnightIT ConsultancyCommented:
YaYangTeah,

I'm not really sure what you are asking here.

All the domino servers need are:

a) connectivity to your clients
b) connectivity between them

The connectivity between them can be on a second IP address on a second network if desired to keep replication traffic seperate - good practice but not necessary.

So without designing your network or knowing the layout more they just need to communicate.

There is no need for the two servers to be on the same subnet or any other rule.  If they are next to each other or a VLAN can be created that encompasses both sites fine.  If not just tell ServerA that it replicates with ServerB using x.x.x.b and ServerB replicates with ServerA using y.y.y.b.  Clients then talk to x.x.x.a or y.y.y.a.  The only ports relevant are 1352 for notes communication and any other protocols you want such as http, https, smtp, ldap, imap etc. as needed so the IP's can be shared with other devices too by your networking if needed.

If you can clarify what the actual question is you want to ask we can try again to help if you want.

Steve
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Steve KnightIT ConsultancyCommented:
Thanks for selectng my answer, did you get anywhere with this move then?
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YaYangTeahAuthor Commented:
As what you said we decided to use only the one IP for each server .But now we having another issue which related to network comfiguration for the network.I will open another question look for help.Hopefully have someone can help on this.
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Steve KnightIT ConsultancyCommented:
Sure.  Post a link back to here when you have so we will see it.

Steve
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