Unfortunately there is no such thing as a grub boot partition in the
msdos partition table, and adding one would cause more problems that it
would solve given the fragility of the msdos partition table. Using the
unpartitioned space after the MBR is the best grub can do on msdos
partitioned disks, and intended behavior, not a bug. Also there is
nothing particular about the first track that makes it any more or less
safe to use than any other unpartitioned space on the disk. It is
simply a matter of convention that msdos left this space unpartitioned,
and boot loaders decided to make use of it.
Normally the grub core image can fit within 62 sectors, depending on
what modules are built into it. It appears that recently when both lvm
and raid modules are built in, it no longer quite fits in 62 sectors.
Fortunately, the convention has shifted in recent years to not start the
first partition until sector 2048.
** Changed in: grub2 (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/995144
Title:
Grub2 Corrupts Hard Drive and Bad Design Causing failed boot.
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