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Date: Sun, 20 May 2012 19:45:54 +0000
From: Andy Smith <andy@strugglers.net>
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Subject: Re: [linux-lvm] lvreduce nightmare
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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.

Cheers,
Andy

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