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OCS 2007 R2 server hardware configuration

Hi All,

I'm wondering is there any special requirement in building a server for Office Communication Server 2007 (OCS) ? it will be supporting up to 60 users in my company

This is what i have in mind:

Single Intel Xeon quad core E5410 @ 2.33 GHz
4 GB RAM
Windows Server 2003 Std. R2 x86
2x 200 GB RAID 1 (Separate partition between Windows and Installation files)

 I know that i can't be virtualized.

Thanks.


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jjoz
Asked:
jjoz
4 Solutions
 
HayesJupeCommented:
ha! sorry, but for 60 users that a bit over the top!
1) OCS 2007 R2 is x64 only.... so you better change your OS choice.
2) OCS 2007 can definately be virtualised - not sure where you got the idea that it can't be. In fact for 60 users, i would probably recommend virtualisation. (hyper-V with a 2008 x64 guest is the way to go, that way, when 2008 R2 comes out, you have an upgrade path! :-))
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jjozAuthor Commented:
OK, apart from those configuration, do i need to pay special attention to the RAID configuration or any other settings ?

Thanks
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HayesJupeCommented:
well yes and no..... yes, because you should always have a fault tolerant disk configuration for any server... excluding that no... because for 60 users the server will under no stress at all, disk, processor, memory etc will all be fine.
If you had all 60 users concurrently having a huge multiparty video-conferece.... maybe you might find some type of performance requirement.... but i dont think thats likely!
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jjozAuthor Commented:
OK,

what I'd like to consider is:
RAID 5
separate disk for OS and the OCS application.

because it is unlikely for my office to have Video conference for more than 10 people per month.

hopefully, those configuration shall be sufficient for the case.
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HayesJupeCommented:
well if you mean seperate partition within the same RAID5 set, that will make no difference to performance, but will be completely acceptable for what you are after.
If you mean two raid 5 sets for the OS and OCS... that will be fine too... but probably unecessarily expensive.
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jjozAuthor Commented:
yes that's true.
well I'd go with 4x75 GB HDD configured with RAID5 anyway.

thanks for replying my thread.
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HayesJupeCommented:
that will be absolute bucketloads of space of what is going to be required for an OCS R2 install for 60 users...
anyhoo - if think you have your answer, how about allocating some points ?
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jjozAuthor Commented:
yes, i did it because for RAID5, it requires minimum of 3 HDD.
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jjozAuthor Commented:
Thanks for the suggestion !
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gws008Commented:
I saw your question, quick comment, if you are palnning on using video conferencing, voice, etc you will need more than one server, do you plan to use UM?
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HayesJupeCommented:
ummm if he's planning on using video-conferencing and voice he will not need more than one server - what on earth are you on about?
if he's planning on integration with a VOIP system, then he will also require a mediation server... but he has not mentioned that anywhere.
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jjozAuthor Commented:
Well, in guys the near future it may be yes.
for the first stage is to implement the IM and Voice conference feature while in the next year I'd like it to support IP telephony (at the moment I've got NEC IP telephone with Power over Ethernet cable already implemented.).

if that is the case, why do i need one more server ?
thanks for the input anyway.

note: i can also open up a new thread for this case.
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HayesJupeCommented:
when integrating OCS with VOIP, commonly an OCS mediation server is required.
Some PBX vendors do not require a mediation server, but most still do. (im not familiar with the NEC - but im sure you ask them about OCS integration support, they'll try to sell you something that is compatible.)
A mediation server basically handles the media and signalling between the PBX and OCS. It requires its own dedicated server with 2 NICs.
The setup etc thats required is documented in the OCS VOIP documentation.
The biggest thing with any OCS voip integration, is if the VOIP/PBX vendor supports it.... if so, its generally do-able in a short time frame.
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jjozAuthor Commented:
ok, so if the OCS mediation server is restarted during Windows Update then the telephony service would not be available then ?

Hayes Thanks for the suggestion.

Cheers.
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HayesJupeCommented:
? depends what you mean by telephony service!
Seriously, implement your OCS config, get comfortable with that... and then worry about doing your VOIP integration after you've got the base components running and happy.
By all means, cme back and ask more questions... but i think you'll answer alot fo your own just by doing the install and reading the VOIP docs...
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gaanthonyCommented:
While OCS may run virtualized it's not supported virtualized in production as noted in the OCS Supportability guide.  Main reason is that Audio/Video performance will suffer under virtualization so if you don't get the performance expected for A/V then move to physical hardware.
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jjozAuthor Commented:
That's right gaanthony, thanks for replying to this topic by the way :-)

to HayesJupe, yes I agree with you sir, it has to be able to walk first before it runs.
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