How to move from one drive to another that's a different size?

How to move from one drive to another that's a different size? I've run into this scenario a few time: I need to replace a drive because I need more space, it's having problems, moving to a new box, etc.
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Total answers/comments: 3

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bert [Entry]

This is one reason I like LVM. Just add the new disk to the volume group, pvmove the logical volumes from the old to new disk, remove the old disk from the volume group, and then from the system. If it's your boot disk you're replacing then you also need to update your boot loader.

bert [Entry]

Most disk cloning utilities can do this. I like using g4u from a livecd. Ghost is nice, but I'd rather use a free one.
Most disk cloning utilities can do this. I like using g4u from a livecd. Ghost is nice, but I'd rather use a free one.

bert [Entry]

"Create image from original partition and put this image to new HDD.

Norton Ghost™ 14.0 do that or other image software

Here is list of disk cloning software

Comparison of disk cloning software [wikipedia]"