Configure RAID onto a new server

I was wondering if someone could offer some advice on how best to configure RAID on a new server.
The server has one 500GB hard (split into 2 partitions for the OS & Data files) and I have installed an additional 500GB hard drive to give it some fault-tolerence.
I am unsure how to set up this second hard drive, e.g.:
Do I need to format it before I configure RAID on it?
What is the most appropriate level of RAID for one additional hard-drive (mirrored etc)?
Any advice would be appreciated.
Regards,
MSSC_supportAsked:
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BawerCommented:
there are different raid configurations if you want to use hardware raid then better you go for raid 1 which is for mirroring and good if you have 2 disks.....
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WindowsITAdminCommented:
Hello.
As Bawer says the best way to configure it with only 2 disks is a Raid1 Level that mirrors data and give you fault tolerance. The problem is that one disc is now installed with data and then you can't create a raid on it easily without delete the partitions. I suggest you to do:
-Delte all partitions in all discs
-Make the Raid1 with them
-Then create the partitions and format it, the operating system must see them as a 1 disc and you can operate normally with it

Hope this helps
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SupportonthespotCommented:
Unless you have simply added a second HDD and your running this on  a server which does not have a BIOS / HARDWARE Raid controller.

Should you have simply added a new drive you can perform software mirroring within the disk manager of Windows Server and once you have an unallocated Drive and converted the 1st drive to be a DYNAMIC VOLUME you can then introduce a drive that you will mirror too and make it fault tollerant.

Ideal for small businesses and small load.

Hardware Raid that is not OS controller would be the best course of action as suggested above
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MSSC_supportAuthor Commented:
OK, sounds like RAID 1 it is.
Also, I am quite happy to delete all partitions and start from scratch but I think my problem in the first place was that I didn't know how to set RAID 1 with the 2 disks at the begining - is this an option in the BIOS settings?  

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SupportonthespotCommented:
No sorry when i say BIOS I meant preboot.

Let me know the spec of the system you have. Is it a branded server with any form of Hardware raid or are you simply plugging in 2 x IDE or SATA Drives. in which case you will be looking at software RAID 1 which I can send a guide through depending on your OS and Hardware config.
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BawerCommented:
if you have server such as IBM, DELL then you can do this by running the server guide cds,,, if you want to have software raid then convert HDDs to dynamic and then create raid...
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MSSC_supportAuthor Commented:
Hello, the server I have is a HP ProLiant DL180 G6 Rack Server - it came with one 500GB disk and I then got an additional one for fault tolerance.
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SupportonthespotCommented:
Ok upon bootup you "May" be presenter with a startup driver (Before windows boots) labeled HP Smart Array 6I Controller then will present you with 1 Logical Drive for BIOS.

During this process you will be asked to hit F10 to enter the config utility.

Unless you have an integrated SATA Raid controller accessable from the BIOS

It is in these utilities that you can configure your Raid but you will as the previous experts have commented delete the existing partition and select 2 Drives available when going through the RAID Wizard or configu utility.

You will only know what you have installed if you allow the system to boot and monitor the devices starting, im sure you will recognise a smartcontroller and its prompt to enter its utility.

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MSSC_supportAuthor Commented:
This is looking good so far - thanks very much for your help! I will be stuck in the server room for a while now while I start again.
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MSSC_supportAuthor Commented:
Thanks for your help - this worked out to be very easy with your bit of guidance!
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