How to disable a Ram Swap permanently

[Tony Arnold]

Lawrence,

Maybe this will help:

http://odzangba.wordpress.com/2009/10/12/how-to-disable-compcache-and-fix-swap-errors-in-ubuntu-9-04/

Regards,
Tony.

Lawrence Tsang wrote:
> Hi Steve and All,
> 
>      In fact, I have added a line in /etc/fstab to install my Swap
> Partition. The listing of my fstab is :
> 
> # /etc/fstab: static file system information.
> proc            /proc           proc    defaults        0       0
> UUID=5a715fd8-c9d0-4523-a213-eff956d2d798     /        ext3    
> errors=remount-ro     0     1
> UUID=a5662716-31ad-4c28-abab-f0e323d5ae2c     none     swap     sw    
> 0     0
> /dev/scd0     /media/cdrom0     udf,iso9660    
> user,noauto,exec,utf8     0     0
> 
>      These settings in fstab install my Swap Partition with -1 priority
> and would not let my Ram Swap go away.
> 
>      Any concrete procedure to disable the Ram Swap?
> 
> Regards
> Lawrence
> 
> 
> On Sun, Mar 7, 2010 at 6:46 PM, Steve <yorvik.ubunto at googlemail.com
> <mailto:yorvik.ubunto at googlemail.com>> wrote:
> 
>     On Sun, 07 Mar 2010 10:36:01 -0000, Lawrence Tsang
>     <tkwinfo at gmail.com <mailto:tkwinfo at gmail.com>>
>     wrote:
> 
>     > Hi All,
>     >
>     >      Originally I am using Ubuntu Karmic with no swap partition / swap
>     > file.
>     > The Ubuntu system automatically initializes a 500M Ram Swap for me.
>     > Recently
>     > I manage to create a 2G Swap Partition and install the Swap
>     Partition by
>     > adding a line in /etc/fstab.
>     >
>     >      However, after booting my system, I find that there are in fact 2
>     > swaps
>     > on my system --- the Ram Swap and the Swap Partition. The listing
>     after
>     > running the "swapon -s" command is :
>     >
>     > root at tkwinfo-desktop:/home/tkwinfo# swapon -s
>     > Filename                Type        Size    Used    Priority
>     > /dev/ramzswap0                          partition    515288    0  
>      100
>     > /dev/sdc3                               partition    2216960    0
>        -1
>     >
>     >      The Swap Partition (/dev/sdc3) has only a priority of -1
>     while the
>     > Ram
>     > Swap (/dev/ramzswap0) is still installed.
>     >
>     >      I want to know that :
>     > (1) Is the Ram Swap still necessary? If not, how to remove it.
>     > (2) How to increase the priority of the Swap Partition.
>     >
>     >      Any idea? Thanks in advance.
>     >
>     > Regards
>     > Lawrence
>     >
>     All you need to do is edit /etc/fstab
> 
>     --
>     Steve
> 
>     Yorvyk
> 
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-- 
Tony Arnold,                        Tel: +44 (0) 161 275 6093
Head of IT Security,                Fax: +44 (0) 870 136 1004
University of Manchester,           Mob: +44 (0) 773 330 0039
Manchester M13 9PL.                 Email: tony.arnold at manchester.ac.uk