Configuring software RAID on server during installation

Install OS on hard-disks with software raid partitions.
Boot using 'Fedora resuce cd' or 'System rescue cd' and mark first partition (that is '/boot', or '/') in all hard-disks as bootable. (One can use fdisk and 'a' option). Hence it is important to have first partiition in raid 1 in all hard-disks, so that we can boot properly. Other partitions can be in raid 5 or 6 if required.
Reboot system and it should boot properly

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