how to create multiple-boot system with disks mirrored(RAID1+0) and disk alone

I have a HP proliant ML 570 G3 with two 146GB disk drives mirrored(RAID1+0)
windows server 2003 was installed on that disk.
I will add a disk.(scsi 300GB)
I will install Linux on that additional disk.
I want to create multiple-boot system.
Is it possible?
I wanna know how to create multiple-boot system under this circumstances?
please help me.
thanks in advance.

    windows server 2003   

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mirrored disk(RAID1+0, 146GB*2)

              LINUX

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new disk(300GB*1)