Raid5 or Raid10 for Access database

I am in the process of replacing a server with something a bit more up to date.

The server will be used as a DC for a domain containing around 10 users/devices.

It will also be used for file storage. The main LOB application is a Access database with a custom front-end with the database being stored on this server. It will be accessed simultaneously by 10 users.

Which of the two RAID systems should I go for?
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I would go for RAID 1.
RAID 1 is disk mirroring.
RAID 5 spreads the data across multiple disks.
RAID 10 is RAID 5 + disk spanning.
RAID 1 requires just 2 disks. Much easier to manage. If worse come to worse, you can read a single disk without a RAID controller.
They are all good in theory but when you have a major failure, you can usually recover your data from a single RAID 1 disk, even without a RAID controller.

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Gustav BrockCIOCommented:
For as little as 10 users, not even RAID 5 would make much sense given the speed of a modern server.

You may be better off spending your budget on a simple RAID 1 setup with SSD disks:

Never use RAID 5 for anything these days. RAID 5 only made sense a decade or longer ago, when disks were small and very expensive. With several disks in RAID 5 you could get the maximum in capacity. Today's disks are very large, and they are relatively price-worthy, so you don't need to risk your data with RAID 5, which is a risky RAID setup, as only one disk is allowed to break, and it is very easy to do wrong manipulations which can destroy the complete array.

If you need high speed, then go for RAID 10.
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Dirk MareSystems Engineer (Acting IT Manager)Commented:
I would also go for RAID 10 split it into 2 partitions 35% for OS AND 65% for data

The performance increase you get for using a better RAID array is just worth it.

Zacharia KurianAdministrator- Data Center & NetworkCommented:
Nor more RAID 5 in this century.  I would rather have a RAID 10 with SSD disks , splitting them to 2 partitions.

But again, I wouldn't make a DC for file sharing too, even if it fits for just 10 users. A DC will be always a DC , nothing more nothing less because I prefer to have a peaceful life. Having a DC with all other network services/features I would rather do it in test lab not in a production environment.

SSDs are a waste of money for a DC. They aren't that I/O intensive. Just do either a pair of RAID1s (smaller capacity disks for the O/S, swap, and scratch table space) at 4KB NTFS.  Then the other RAID1 configured for 64KB  NTFS (as this is the native I/O size).   This frees you up to use smaller capacity disks for the first RAID1 pair.

Or a single RAID10 if you don't want to go to the effort to do any tuning or worrying about moving things around someday.
roy_battyDirectorAuthor Commented:
Thanks for the advice here
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