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Also known as the MBR partition table.
Cannot be used with UEFI boot; must use a GUID partition table (GPT)
Reference: http://en.wikipedia.org/wiki/Master_boot_record
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GPT is required when the HDD presents 512 kB sectors and is greater than 2 TiB and for UEFI boot.
References:
GRUB's GPT
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requirements
TODO: duplicated text!!! Merge this with similar information at UEFI and GPT and cross-reference as required.
BIOS systems: when GRUB is to be installed on an HDD with GPT partitions, a bios_grub partition is required. We normally use the free space left before block 2048 when gdisk's default partition alignment is used.
EFI systems: when GRUB is to be installed on a UEFI system, an "EFI System Partition (ESP)" is required (a.k.a called "EFI boot partition" by in Debian and Ubuntu documentation), partition type ef00. It has to be big enough to contain all the boot loaders that will be installed in it, say 100 MB for a single OS system and 200 MB for multio multi-boot.
Which partition management utility to use?
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