Re: 2.3.99pre9 shows wrong partition size?

From: Andries Brouwer (aeb@veritas.com)
Date: Fri Jun 02 2000 - 16:16:50 EST


On Fri, Jun 02, 2000 at 09:24:56PM +0200, Felix von Leitner wrote:

> I just bought two 60 Gig Maxtor drives and plugged them into my system.
> I ran fdisk on them and created one large partition on each.
> I created a reiserfs on one of them and df showed, to my dismay:
>
> Filesystem 1k-blocks Used Available Use% Mounted on
> /dev/hdc1 26576588 20 25226556 0% /mnt
> /dev/hdd1 26999428 2603008 24396420 10% /fat
>
> Am I misreading this or is the partition not even half the size of the
> partition?
>
> $ fdisk -s /dev/hdd
> 60030432
> $
>
> Mhhhhh. Any ideas?
> hdc1 is ext2, hdd1 is reiserfs, so this is clearly not a file system
> issue.

Read "14.3 Nonproblem: fdisk sees much more room than df?"
in the Large Disk HOWTO
  http://www.win.tue.nl/~aeb/linux/Large-Disk-14.html#ss14.3
and see whether you are satisfied afterwards.
Otherwise check fdisk -l and/or fdisk -s /dev/hdc1 output.

Below a 35 GB example.
# df
...
/dev/hde4 822216 685020 95428 88% /b1
/dev/hde5 27707420 22096088 4181148 84% /b2
# fdisk -s /dev/hde
35673120
# fdisk -s /dev/hde5
28603701
# tune2fs -l /dev/hde5 | grep size:
Block size: 4096
...
# tune2fs -l /dev/hde5 | grep count:
Inode count: 7155168
Block count: 7150925
Reserved block count: 357546
...

With ext2, make sure you use sparse superblocks and blocksize 4096.

Andries

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