Gparted resize linux swap partition

David Vincent dvincent at
Tue Mar 18 14:55:49 UTC 2008

Hash: SHA1

Raseel Bhagat wrote:
> Hi,
> On Tue, Mar 18, 2008 at 9:02 AM, Brian McKee <brian.mckee at
> <mailto:brian.mckee at>> wrote:
>     >
>     > When I start the system, swap does not automatically come "on", it is
>     > not automatically recognized by the OS.
>     > However, I can turn "swapon" by using Gparted from the GUI while
>     system
>     > is running.
>     > Sooooo, did I shoot myself in the foot?  Or is there a way to make
>     > Ubuntu be aware of the newly shrunk swap partition WITHOUT
>     reinstalling
>     > the entire system?
>     When you run swapon - are you specifying the partition or just using the
>     - -a option?  Ubuntu uses UUID in the /etc/fstab file, not /dev mount
>     points,  and the UUID of the swap partition changed when you sic'ed
>     gparted on it.
>     Use vol_id or something like it to figure out the new swap partition
>     uuid, or just replace the uuid with the /dev path if you prefer.
> Check yout /etc/fstab and see if it is mounting the correct swap
> partition. As Brian points out,  the entries in the  /etc/fstab uses UUID.
> Check your swap partitions UUID with :
> $ ls  -l /dev/disk/by-uuid/
> I'm thinking the UUID has changed.

Use the "blkid" command to determine UUIDs of your drives, then compare
the ID reported for your SWAP with what Ubuntu has in the /etc/fstab file.

$ sudo gedit /etc/fstab

If your UUIDs are different then replace the one in the fstab file with
what blkid reported, save fstab and reboot.

- -d

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