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Read a book and says MBR is limited to 4 primary partition, or 3 primary + 1 extended.
Does that mean 1 harddisk can only have a max of 4 primary partition. Or all harddisk together can only have a max of 4 primary partition.
==================================================
so that means if all my disk is primary, I can't have:
/dev/hda1
/dev/hda2
/dev/hda3
/dev/hdb1
/dev/hdb2
==================================================
and how do I check if my current disk is primary or extended?
Yeah...the first three partitions are primary partitions. Then the fourth partition(/dev/hda4) is the extended partition. When you create the extended partition in fdisk you create it to use the rest of the disk. Then everything after that(/dev/hda5, /dev/hda6, etc.) will be a logical partition that is housed within the extended partition. So /dev/hda4 can't really be assigned to a specific directory since its not a useable partition.
Actually, you can assign the extended partition filesystem type to any one of the 4 primary partitions. In fact, windows will use the 2nd primary parititon as extended when creating additional drives.
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