[linux-lvm] lvreduce nightmare

Andy Smith andy at strugglers.net
Sun May 20 19:45:54 UTC 2012

Hi Tariq,

On Sun, May 20, 2012 at 02:29:56PM +0530, tariq wali wrote:
> I am not sure if reducing by lvreduce alone is safe and will actually
> reduce the underneath file system also,

It won't; I never said it would.

My point was that you said:

> and then lvreduce -n data -L 100G /dev/vg0/data ( to reduce the lvm by
> 100

but that WON'T do what you want. That will reduce the LV *to* 100G.

You need BOTH your resize2fs AND lvreduce commands to be correct.


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