10-08-2010
Shrink my partition to new disk
I want to backup my partitions by shrinking it my issue is like
I want to create a new disk copy from only the used blocks I my current image.
How would I redirect the output of resize2fs to new disk and dd the current
partition so that I can boot my new image without issues and also without touching my current image and copying over of only the required data.
I understand that I can copy the entire disk and then resize the cloned disk but this seems inefficient as not all my disk is being used.
I dont want to hinder the current working disk manipulations on this should be avoided as I dont have any other backup.
So suppose I have a 2TB disk of which only 100GB is being used I need only these 100GB in the new disk. Is there any way of copying the used blocks in the existing filesystem to the new filesystem ?
Any pointer or clear ideas would be really useful. I appreciate this if I get some list of commands or steps and doing this without any software
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