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Authored by: gvitale on Nov 21, '02 07:36:50AM

as pointed out by dolfs, pdisk is not destructive, as it does not manipulates the partitions themselves. In other words it relocates disk blocks to logical partitions, without actually writing data to the blocks themselves. This means that you can split an existing partition (lets say 40% full) in two (or more) partitions and still preserve the content of the original disk/logical partition. The first of the newly created partitions must have enough blocks allocated ti it in order to accommodate all the data of the original partition (that is at least 40% of the blocks have to be relocated to the first of the newly created partitions), and all the data have to be moved to that blocks PRIOR repartitioning the original disk/logical partition (this can be done with Norton SpeedDisk, selecting CD master as optimization profile). After repartitioning, all the data (and the directory information) will still be present in the first new partitions, and you should run a disk repair utility to fix inconsistencies in the disk catalogue map.
You can practice this with a disk image, before doing thinks to your HD ;-).

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