26. GPT Partitions, cont.

• A GPT disk has five major areas:

  • First area is the Protective MBR:

    • starts in the first sector of the disk (sector-0)

    • contains one DOS partition

  • Second part starts at sector-1 and contains the GPT header. The header defines the size and location of the partition table.

  • Third section contains the partition table. Each entry contains a starting and ending address.

  • Fourth section is the partition area:

    • it is the largest area

    • contains sectors allocated to the partitions (logical disk volumes.)