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Date: Wed, 29 Feb 2012 08:49:30 +0100
Subject: Re: [gentoo-user] Freeing up disk space problem!!
From: "J. Roeleveld" <joost@antarean.org>
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On Wed, February 29, 2012 8:10 am, Dale 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
What you're missing here is the fact that different tools report the size=
s
differently.
Look into the difference between "GiB" and "GB":
http://en.wikipedia.org/wiki/Mebibyte
you have:
750156.38 MiB =3D
750156380 KiB =3D
750156380000 B =3D
732574589.8 KB =3D
715404.87 MB =3D
698.63 GB
(with the "i" the factor is 1000, without it, the factor is 1024)
HTH,
Joost