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Old 06-07-2004, 05:32 AM   #1
TongueTied
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Question Network Setup question


I have just purchased a new server for my network as I was running out of space and wasn’t able to add another hard drive to my existing server (long story). Now, I have 2 servers and don’t know what would be the best way to organise these, any suggestions (no, I am not going to post my old one to anybody).

Network Information
The network is quite small with only 10 client machines (all windoz boxes). Most of the work is your basic word processing or email but I have a few CAD machines causing more network traffic than the basic word processing machines. Would like to set up VPN at some point to allow users access to files on the file server remotely.

Old System
Dell PIII 800MHz with 36gb storage, dual network cards, Running SuSE 8.1 Pro
Currently the Primary Domain Controller, DNS Server, Mail server, Proxy, gateway etc etc etc (basically everything in a box)

New System
Intel 875WP1 Server Board with 2.8GHz P4 Processor, 180gb storage (SATA RAID which is the reason for going with SuSE 9.1 due to Linux 2.6 kernel), dual network cards, Running SuSE 9.1 Pro

I was thinking of putting the Old system as the gateway, firewall and DNS, with the new one as the file server and Primary Domain Controller. Good idea? Which one should be the mail server? I presume the mail server needs to be on the same one as the gateway, correct?

Any thoughts welcome.
Cheers,
 
Old 06-07-2004, 05:37 AM   #2
Technonotice
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Re: Network Setup question

Quote:
Originally posted by TongueTied

Old System
Dell PIII 800MHz with 36gb storage, dual network cards, Running SuSE 8.1 Pro
Currently the Primary Domain Controller, DNS Server, Mail server, Proxy, gateway etc etc etc (basically everything in a box)

New System
Intel 875WP1 Server Board with 2.8GHz P4 Processor, 180gb storage (SATA RAID which is the reason for going with SuSE 9.1 due to Linux 2.6 kernel), dual network cards, Running SuSE 9.1 Pro

I was thinking of putting the Old system as the gateway, firewall and DNS, with the new one as the file server and Primary Domain Controller. Good idea? Which one should be the mail server? I presume the mail server needs to be on the same one as the gateway, correct?
Some decent machines there! I can't imagine there's much load on the old system even? The mail doesn't need to be run on the gateway, it can be port forwarded (using DNAT and iptables) from the gateway to the other machine if you want.

If you've got RAID in your new machine you'll want mail to be stored on that for sure - you could use NFS and run the mail on the other box though. If you're running virus scanning (ClamAV) or spam filtering then you'll want a decent CPU, depending on the amount of mail.

If the rest of your services are going to go on the new box, with the PDC and file sharing, I'd stick the mail on it too so it's all in one place.
 
Old 06-07-2004, 07:05 AM   #3
andrewdodsworth
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I personally would be tempted to leave PDC DNS Proxy and ordinary users on your old box but set up the mailserver and CAD on your new box - also use it for disk to disk backups. That way you can gradually migrate stuff once you're happy with the setup. There's quite a big jump from SuSE 8.1 to 9.1 unless you've already upgraded Samba for example - I'm still on 9.0 at the moment because the differences between that and 9.1 need figuring out.
 
Old 06-08-2004, 06:23 AM   #4
TongueTied
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Thanks! You are right about the old machine, there isn't a huge load on it but it has crashed a few times and it appears to be a conflict between the on board scsi and the additional 2 scsi cards I have in it (one for hardware raid and the other for an external tape backup). So far, I haven't been able to hook up my tape backup drive. I like the idea of slowly migrating the machines and services over to the new box so maybe that is the approach I will take.

The reason for jumping to SuSE 9.1 is that the new box has SATA Raid and that can only be handled by the 2.6 Kernel. Otherwise I would have simply put SuSE 8.1 on the machine Actually, I tried but it wouldn't install because it couldn't recognise the SATA drives and told me there were no hardrives to install to.
 
Old 06-08-2004, 02:18 PM   #5
andrewdodsworth
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There's an online update to SuSE 9.1 available in the last day or so that's fixed one of my issues so it's well worth updating.

As regards tape backup have you thought about doing disk to disk backups to your new machine? I've recently discovered rsync which together with Samba allows me to schedule data backups to a separate disk which I then publish read only back to the users. If the live data goes down they can still access the backup copy until the administrator (me!) finds time to sort the problem out.
 
Old 06-08-2004, 08:38 PM   #6
TongueTied
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rsync, I will have to look into that. I don't know if anything can completely replace a tape though as there needs to be one backup medium that gets removed from the office in case of really bad things like fire or more likely, a fire somewhere else in the building and the sprinklers go off. But using a disk to disk might be a good way of having something on hand.
 
Old 06-09-2004, 12:07 AM   #7
MS3FGX
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Yeah, I don't really think the new system is appropriate. Way more power than you needed, you could have saved a lot of money buying something more fitting to your needs.

I am currently serving 130+ clients with a 300 MHz K6 machine.
 
Old 06-09-2004, 01:59 AM   #8
TongueTied
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Where I am, it is more a matter of what you ‘can’ get rather than what you ‘want’. So I actually bought the lowest spec I could. I found that ordering more ram for my old system would have cost half the price of the completely new system so the solution was pretty clear.
 
Old 06-09-2004, 02:02 AM   #9
andrewdodsworth
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Quote:
Originally posted by TongueTied
rsync, I will have to look into that. I don't know if anything can completely replace a tape though as there needs to be one backup medium that gets removed from the office in case of really bad things like fire or more likely, a fire somewhere else in the building and the sprinklers go off. But using a disk to disk might be a good way of having something on hand.
Yes of course that 's sensible - in that case disk to disk backup to new machine and tape drive in that machine looks good.

By the way recent SuSE 9.1 online updates updated Samba and fixed samba KDE client problems I'd been having.

I'd be interested in how you get on with VPN's when you get that far.
 
Old 06-09-2004, 02:12 AM   #10
TongueTied
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I’ll let you know. I am actually waiting for customs to release my SuSE 9.1 package. Even though software is duty free and everything is clearly labelled, customs decided to stop it. I think they are looking for a “special handling fee”. I should get everything by the end of the week so I will start trying to figure it out on the weekend.
 
  


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