How to resize ext3 partition on LVM

From time to time I have to resize the file systems on various systems which are primarily using ext3 on top of LVM.

Resizing such an ext3 file system is not a complex task at all. For starters, make sure you shut the domU down (or unmount the file system – unless you feel brave enough to do an online resize, in which case you should not be reading this).

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