lvreduce

[Tom H]

On Fri, Apr 29, 2011 at 8:14 PM, Patrick Dupre <patrick.dupre at york.ac.uk> wrote:
>
> I would like to reduce the size of a lvm2 partition (ext4) without losing
> data. I am confuse by resizef2s and lvresize.
> Could you tell me the exact way of doing.

Think of the LV as a partition. You therefore have to resize2fs before lvresize.

You're generally better off using resizef2s twice, before and after
lvresize that way you can, for example, resizef2s to 99 GB, lvresize
to 100GB, and then resizef2s without specifying a size so that you lay
an fs over the entire LV.