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ddp1960

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Server 2008 OS Separate Volume, Raid setup

Hello, I am setting up a new server for my small business to replace the aging NT Server which has served us well.

Background:
I have purchased a HP DL380 G7 Server with 6GB Ram E5620 CPU, and have MS Technet so will be loading Windows Server 2008 R2 X64 using HP Smartstart.
Small office, Foxpro Database, file storage, 10 users
I am looking for the highest possible reliability as I think this server will have more than enough power for what we need it for. Of course I am also open to suggestions like redundant PS, more ram etc. if required.
This server has 8 SFF Hot Swap Drive Bays.

Question:
I am wondering if I should set it up with 4 drives in a 1+0 RAID ?
or
Should I set up a separate volume for the OS and a separate volume for data (this is what we have on our current NT Server).

Then there is the option of RAID 1 on the OS Volume, and then Raid 1 or Raid 1+0 for the Data volume. or what other suggestions do any of you have?
We will be using SATA Drives due to the much better pricing.
I currently have 2 HP (Seagate ST9500530) and some WD Black Scorpio 500 drives which we will be using.

Please advise any thought and hints to do this the best way is appreciated.

Sorry if this has been discussed prviously, I have been reading as much as i can and have not found a previous thread on it.

Thanks
Doug
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Lee W, MVP
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TechNet Licenses are NOT licensed for production use.  You can be fined thousands for misusing the license.

TechNet is licensed for Testing and Evaluation purposes.  

If you haven't ordered the server yet, you should likely get Server 2008 R2 Foundation Edition which has a 15 user maximum limit, but does not require any additional Client Access Licenses.  Foundation Edition is ONLY sold with the server at the time of purchase.  Otherwise, you're pretty much stuck having to purchase the full version of Server 2008 R2 which will likely run you ~$900 (instead of the Foundation version which would have cost you about $300 with the server).  Plus 5 Client Access LIcenses (CALs) at $30 each (Server 2008 R2 should come with 5 CALs)

I'd otherwise like to answer the rest, but in general, we're not supposed to help you violate licensing and while others may choose to ignore the license violation part, I don't feel comfortable doing so.
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ddp1960

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Thanks for your licensing concerns, we also have MAPS so Licensing is not an issue.

Let me also add to this question, would it be beneficial to put faster drives, like WD Velociraptor as the OS drives? My thoughts are that the Data is where the faster drives would be more beneficial but I am planning to use 500GB drives for the data, in a RAID 1+0 config.
Thanks
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Yes those are some good points everyone.

I have been looking at the drive specs and saw the Black WD is not an enterprise drive so although it has a 5 year warranty I was also wondering about it's performance in a RAID, I forgot about the slow response to an error issue on not RAID rated drives. So I will not be using them in the server.

So keeping in mind I already have 2 of the HP ( Seagate ST9500530NS) 500 GB SATA drives,
I have a couple options:

1) Run them RAID 1, and partition 100 MB for the OS and the balance for data

2) Add 2 more of same drives and run RAID 1+0 with 100 MB Partion for OS and balance for data

3) Add 2 more SAS drives and run them RAID 1 for the Data drive? better than using the faster drive for the OS right? Run the OS on the current SATA drives RAID 1

4) Buy 4 SAS drives and run 2 in RAID 1 for the OS and run the other 2 RAID 1 for the DATA

5) Buy 4 SAS drives and run RAID 1+0 with separate partitions for the OS and Data.

I kind of like the idea of running RAID 1+0 but also like the idea of having the OS separated  physically from the data drives.

Thanks everyone for your help, please keep the thoughts coming.

Thanks
Doug
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What do you mean RAID 1+0 is not expandable? You just have to add two more disks rather than one, at least on any controller you'll find in a DL380.
I can't speak to HP controllers ... but Dell PERC controllers (using LSI chips) cannot reconfigure/expand to/from RAID 10 arrays.
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Maybe it was just my implying words from your post, I'll try again ;)

HP SmartArray controllers do [support expanding RAID 10 arrays by adding 2 disks,] whichever chips they feel like using at the time.

Is that better?
That's good enough for me - I appreciate that.  This should give the author some peice of mind on the capabilities of his controller and future options/planning.  Thanks ;)
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Thanks for good information everyone.