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A RAID 0 Configuration with three drives

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by jleec

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I'm on the verge of upgrading my workstation (Precision 340 to, probably, Precision T3400 unless I learn something to the contrary here). As part of this I've been doing my homework on RAID, but I haven't seen anything along the lines of what I'd like to do, which makes me wonder whether it's possible or advisable.

I would like to configure the new workstation with three 320GB SATA 300 drives. The first would be partitioned 50%/50% for operating system (Win XP, most likely) and programs, respectively. I then would like to use drives two and three as a RAID 1 mirrored array for data.

My thinking is that I would have constant and automatic data redundancy. In addition, I backup to a TB NAS device with RAID 5 and plan to implement a rotating portable HD plan for off-site storage.

Every discussion I've found on configuring a RAID array talks about incorporating all of the drives into the array. Is it possible to have a boot drive that is not part of the array and so achieve what I've described?

Thanks.

Lee

3 replies

by cg it

Some of the SATA controllers have the ability to create a RAID array with a couple of drives connected to the SATA controller and have another drive as JBOD.

Depends on the motherboard mft and the SATA controllers. Some only do RAID 0 & 1 , some do RAID 0,1 5 and JBOD

by jleec

I've done some further research and have decided you're probably correct.

Thanks.

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