Re: [linux-lvm] lvreduce

["Heinz J . Mauelshagen" <mauelshagen@sistina.com>]

Bradley,

could it accidentially be, that your LV was 2GB large before ?

That'ld explain the resulting 1GB, because lvreduce shows the absolute
resulting size.


On Thu, Jun 26, 2003 at 12:36:44PM -0400, Bradley M Alexander wrote:
> I ran across this today, and wanted some clarification if I could. I am
> running kernel 2.4.21 and lvm 1.0.7.
> 
> I needed to resize a partition, reducing it by 1GB. As I have done in the
> past, went into single user mode, umounted the partition did a
> resize_reiserfs -s-1GB /dev/vg00/var
> 
> This went fine, then I tried to reduce the size of the lv, using 
> lvreduce -L-1G /dev/vg00/var
> 
> lvreduce -- WARNING: Reducing active logical volume to 1 GB
> lvreduce -- THIS MAY DESTROY YOUR DATA (filesystem etc.)
> lvreduce -- do you really want to reduce "/dev/vg00/var"? [y/n]:
> 
> Isn't the -L-1G option for lvreduce supposed to reduce the lv _by_ the
> requested amount rather than _to_ that size?

Yes.

> If specify -L1G, that should
> be an absolute value rather than a relative value.

Correct.

> 
> Am I missing something here?

No.

> Would this be better addressed to the Debian
> maintainer for the lvm tools?

Well, that's Patrick Caulfield and he's on my team reading this mail as well :)

> 
> Thanks,
> -- 
> --Brad
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-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
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                                                  Germany
Mauelshagen@Sistina.com                           +49 2626 141200
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