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List: gentoo-user
Subject: Re: [gentoo-user] Freeing up disk space problem!!
From: Alan McKinnon <alan.mckinnon () gmail ! com>
Date: 2012-02-29 9:23:11
Message-ID: 20120229112311.7b70ab0d () khamul ! example ! com
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On Wed, 29 Feb 2012 01:10:05 -0600
Dale <rdalek1967@gmail.com> wrote:
> Neil Bothwick wrote:
> > On Tue, 28 Feb 2012 20:38:13 -0600, Dale wrote:
> >
> >> tune2fs -m 1 /dev/data/data1
> >>
> >> Which is where the ext4 file system is on the LVM. After I run
> >> that then I can expand LVM from there, I hope it works that easy.
> >
> > It does.
> >
> >
>
>
> Apparently I am missing something then. I looked at cfdisk for the
> drive. It reported right at 750Gb as it should with the change.
> Thing is, I can't get anything else to add it or to even show it is
> available. Some results somewhat shortened:
>
> From cfdisk
>
> 750156.38Mb
>
> root@fireball / # pvs
> PV VG Fmt Attr PSize PFree
> /dev/sdc1 data lvm2 a-- 698.63g 0
> root@fireball / # vgs
> VG #PV #LV #SN Attr VSize VFree
> data 1 1 0 wz--n- 698.63g 0
> root@fireball / # lvs
> LV VG Attr LSize Origin Snap% Move Log Copy% Convert
> data1 data -wi-ao 698.63g
> root@fireball / #
>
>
> So, cfdisk is happy with the change but nothing else seems to see it.
> What am I missing here? Where did the 50Gbs go to?
>
> Dale
>
> :-) :-)
>
Nowhere.
Disk manufacturers measure kilos of data as 1000
Everyone else measures it in 1024
They do this because it fudges disk sizes to appear 2.4% bigger than
they really are.
When you get into TB drives, it gets worse as 1024*1024*1024*1024
differs from 1000*1000*1000*1000 bu a lot more than 2.4%
--
Alan McKinnnon
alan.mckinnon@gmail.com
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