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Re: [linux-lvm] lvreduce



On Fri, 2003-06-27 at 05:25, Heinz J . Mauelshagen wrote:
> 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.

It seems to be. te case. A few weeks ago, I was on travel, and reduced a
partition, and it did not come back after reduction. I did it the same
way as I always do...resize, reduce, remount. When I tried to remount,
it gave me the bad filesystem error...
so I thought that might be the problem.

Thanks for clarifying.

> 
> 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
> > ============================================================================
> > Bradley M. Alexander                |
> > gTLD SysAdmin, Security Engineer    |   storm [at] tux.org
> > Debian/GNU Linux Developer          |   storm [at] debian.org
> > ============================================================================
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> > ============================================================================
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> > 
> > _______________________________________________
> > linux-lvm mailing list
> > linux-lvm sistina com
> > http://lists.sistina.com/mailman/listinfo/linux-lvm
> > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
-- 
--Brad
============================================================================
Bradley M. Alexander                |
gTLD SysAdmin, Security Engineer    |   storm [at] tux.org
Debian/GNU Linux Developer          |   storm [at] debian.org
============================================================================
Key fingerprints:
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RSA 0xC3BCBA91: 3F 0E 26 C1 90 14 AD 0A  C8 9C F0 93 75 A0 01 34
============================================================================
Those who trade liberty for security have neither.




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