Installing Hardware Raid..configure..?

Hello,

I am going to install a 3ware hardware raid 1, do I configure the Raid Array in 3Ware bios before installation of CentOS?
3Ware Bios set Raid1 > CentOS Install > Done

or should I ignore the bios and go straight to CentOS and configure it after the installation of OS?
CentOS Install > 3Ware Bios set Raid 1 > Done

or should I ignore that bios totally and can setup in command remotely?
CentOS Install > Command setup raid > Done

Thanks!

Regards

 

 

 

 

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