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What file system should the boot partition be?
For most users, a 250 MB boot partition is sufficient. The /boot and / (root) partition in Red Hat Enterprise Linux 6.9 can only use the ext2, ext3, and ext4 (recommended) file systems. You cannot use any other file system for this partition, such as Btrfs, XFS, or VFAT.
Can GRUB be installed on NTFS?
No, stable grub does not support booting from NTFS at the moment. You would need a small FAT partition to use GRUB. Alternatively, consider using the native bootloader or another third-party loader.
How big of a partition do I need for Grub?
It is standard-practice to have GRUB on a partition of its own – which is why most systems have a separate partition for /boot which will be around 200M or 300M. About the filesystem to be used, you can go with the regular ext4/3 filesystems. What filesystem types you should NOT use:
Are there any operating systems that use GRUB 2?
Dual boot: two operating systems with GRUB 2 This is probably the simplest dual-boot configuration. Both operating systems use GRUB 2, so they can easily interact with one another. The two systems are Ubuntu 9.10 and Kubuntu 9.10, both formatted with Ext4. Ubuntu was installed first, with GRUB 2 installed to the MBR of /dev/sda.
How to boot Windows XP from GRUB2 command line?
Use the ntldr command to load this file. For Windows XP/2003, you will find the partition that contains /NTDETECT.COM and load the /ntldr file. You need to use the drivemap command to MAP the hard disk on which you installed Windows XP/2003 as the first hard disk if it is not.
Why does grub not boot from a boot partition?
Meaning that GRUB cannot boot from a boot partition that is XFS formatted. The same goes for BTRFS afaik. GRUB patches for the mentioned changes or new file systems sometimes do exist but it usually means that you would have to compile GRUB entirely yourself if your distribution offers a build package.