Used swap 0MB of 0MB - why?
Steven Tully
steven.tully at gmail.com
Wed Jan 19 14:58:50 UTC 2005
try (after you "su -")
# mkswap /dev/hda7
# swapon /dev/hda7
# swapon -s
Originally, the fstab was pointing to the wrong partition for the
swap. Since you changed it, the commands above will format the
partition as swap and mount it. the last command will tell you if it
mounted correctly.
Steven
On Wed, 19 Jan 2005 14:52:47 +0100, Duncan Lithgow
<duncan at lithgow-schmidt.dk> wrote:
> Paul Howarth wrote:
>
> > The "-" parameter makes su run as a login shell, so it sets up the
> > environment as if you had logged in as root, including adding /sbin
> > and /usr/sbin to the PATH environment variable.
> >
> Thanks
>
> >> It didn't help though. I get
> >>
> >>> [root at 3e6b347a dulithgow]# su -
> >>> [root at 3e6b347a ~]# swapon -s
> >>> [root at 3e6b347a ~]# mkswap /dev/hda6
> >>> /dev/hda6: No such file or directory
> >>> [root at 3e6b347a ~]#
> >>
> >
> > Your swap partition is probably somewhere else then. What's the output
> > of "fdisk -l /dev/hda"?
> >
> > Paul.
> >
> and here goes:
> [root at 3e6b347a ~]# fdisk -l
>
> Disk /dev/hda: 120.0 GB, 120034123776 bytes
> 255 heads, 63 sectors/track, 14593 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
> Device Boot Start End Blocks Id System
> /dev/hda1 * 1 1913 15366141 7 HPFS/NTFS
> /dev/hda2 1914 14593 101852100 f W95 Ext'd (LBA)
> /dev/hda5 1920 12762 87096366 b W95 FAT32
> /dev/hda6 12763 12788 208813+ 83 Linux
> /dev/hda7 12789 12853 522081 82 Linux swap
> /dev/hda8 13653 14593 7558551 83 Linux
> [root at 3e6b347a ~]# mkswap /dev/hda7
> /dev/hda7: No such file or directory
> [root at 3e6b347a ~]# swapon
> usage: swapon [-hV]
> swapon -a [-e] [-v]
> swapon [-v] [-p priority] special|LABEL=volume_name ...
> swapon [-s]
> [root at 3e6b347a ~]# swapon -a
> swapon: cannot stat /dev/hda6: No such file or directory
> [root at 3e6b347a ~]#
>
> So somewhere the system has read fstab and been told that hda6 is swap -
> but it ain't!
> I edit and save fstab but that doesn't help, I logout and in again -
> fstab still has my changes but still doesn't make any difference. Still says
>
> Device Boot Start End Blocks Id System
> /dev/hda1 * 1 1913 15366141 7 HPFS/NTFS
> /dev/hda2 1914 14593 101852100 f W95 Ext'd (LBA)
> /dev/hda5 1920 12762 87096366 b W95 FAT32
> /dev/hda6 12763 12788 208813+ 83 Linux
> /dev/hda7 12789 12853 522081 82 Linux swap
> /dev/hda8 13653 14593 7558551 83 Linux
> [root at 3e6b347a ~]#
> [root at 3e6b347a ~]# swapon -a
> swapon: cannot stat /dev/hda7: No such file or directory
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