Postgre database server.

In my office of 20 users, I am running postgre database server on Windows 2003 server standard edition. Network setup is peer to peer with no  domain or active directory. Now my server is getting old and I am thinking of replacing it with a faster server. Can I use any other OS to host Postgre database?
Reason I like Windows server is its stability and ability to have hardware RAID. If I am going to use any other operating system, it should have those two features. Plus it has be cheaper than Windows Server 2008 or 2012.
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Dan CraciunConnect With a Mentor IT ConsultantCommented:
It should work. Since Postgres is not Microsoft software, I don't think the 25 users limit applies to it.

I would still run Postgres as a virtual machine (if you buy Server Essentials you have the right to install it both on a physical and a virtual server) for the convenience. Next time you want to upgrade your server, you just copy the VM.

PS: since I only work with small clients (under 100 PCs), I never bought an enterprise version of Linux (RedHat or SUSE), so I never paid for Linux. My personal favorite is CentOS for servers. Old, but stable packages.
Dan CraciunIT ConsultantCommented:
I'm running Postgres on a CentOS 6.5 VM. 30 users, no performance issues.
The host is Windows Server 2012, but you can also use the free Hyper-V Server 2012.

MohammadKhanAuthor Commented:
Will I be able to setup RAID on Hyper-V and from where can I get Hyper-V server OS.
Dan CraciunIT ConsultantCommented:

You can use the server's physical RAID card to build your arrays. If you need software RAID I think you'll need a full version of Windows Server.

But, if you're not afraid of Linux, you can install CentOS, Debian etc directly on the server and use the software RAID from Linux.
MohammadKhanAuthor Commented:
I am not comfortable with Linux, plus Linux costs about the same as Windows server 2012. After reading about different server OS and cost comparison , I am leaning more towards Windows 2012 server essentials. Will that work well as Postgres server? I only have 20 users that connect to the database server through workstations that run Windows XP, Windows 2007 and 2008.
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