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Major Network Design and Configuration Question

Posted on 2011-02-23
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Last Modified: 2012-05-11
I have been dumped in the deep end with a new project to specify the technical details for a new head office in Northern England for my company.

The IT kit consists of 5 servers, for which the install company require me to provide certain details..... it is imperative that I get these details correct, and as they deal with certain things that I have no experience of, I'm asking here for some advice, I have included my initial thoughts where relevant and would appreciate all comments / advice)

The company require the following details for each server.

IP address (no problems here, 192.168.10.*)
subnet mask (255.255.255.0)
gateway (internet router addres, 192.168.10.1)

NIC2 address (I assume another in the 10.* range??
NIC2 mask (again 255.255.255.0 I assume)
NIC2 gateway (again 10.1 I assume)

ILO Name (same name as the server???)
ILO IP address (no idea here....... 10.* range again or different??)
ILO g/w (again, no idea)
ILO Mask (again no idea!)

Much appreciated for any help given.
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Question by:dangermouse1977
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by:Ernie Beek
ID: 34959684
Well, depends on what you/they want to do with the secondary nics and the ILO. Do you want the secondary nics to be teamed for failover/redundancy or use it on a secondary network/VLAN?

The ILO's I would put in a separate management network/VLAN with a sparate ip range.

So you should first about what you want to do with those secondaryy nics and if you want to implement VLANs on your network.
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by:dangermouse1977
ID: 34959743
Secondary nics will indeed be teamed for failover and there are no plans for VLAN implementation.

From the research I did on the net, it seemed that most people give the ILO the next IP address in the range from the server ie:

server number 1 = 192.168.10.10
ILO 192.168.10.11

server number 2 = 192.168.10.12
ILO 192.168.10.13

If we team the nics then I'm assuming they share an IP address, so the above configuration would be fine.
I was also reading about limitations of using a 192.168.*.* range.... would I be better off using 10.*.*.*
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Ernie Beek earned 500 total points
ID: 34959789
Ok, if the nics are teamed, they will share an ip address so no issues there.

If you're not planning on using VLANs you should be ok using the next IP address as you stated.

Private ip ranges are limited to the number of nodes they can contain but for the 192.168 range that is 65536. Should be sufficient for now I think?

Otherwise have a look at: http://en.wikipedia.org/wiki/Private_network
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by:dangermouse1977
ID: 34960215
Thanks for that, very helpful indeed and I think I've got that part of it cracked!

The final point (for now) is that they have also sent me an excel document (attached here) requesting information for the HP P2000 fibre storage system.

I've not dealt with one of these before and googling the terms doesn't help much... can you assist here too? Book1cut.xlsx
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by:Ernie Beek
ID: 34960555
Well, basically they want to know how it is set up.

The storage system contains physical drives on which volumes (or arrays) can be set up. Those arrays wil have an array letter or LUN number by which they are identified within the system. When creating such an array (or volume) you assign a certain capaticty to it (in GB's) and a raid level (RAID 0, 1, 5, 6, etc).

The HBA (Host Bus Adapter) WWPN (World Wide Port Name) is assigned to a port in fibre storage
http://en.wikipedia.org/wiki/World_Wide_Port_Name, It's a globally unique 64-bit number.

Host mode is a hexadecimal value which is set on the disk array port, they value depends on the type of host (AIX, Lnux, etc) being used.

Share name, the name by which you can connect to the share over the network (hostname\sharename)

Those values can be found through the webinterface (Storage Management Utility).

Hope that helps you a bit.
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