Swap Space Not Being Used?

[Tod Merley]

On 9/22/06, Rick Bilonick <rab at nauticom.net> wrote:
>
> > This should fix the AVCs:
> >
> > # restorecon -v /etc/blkid.*
> >
> > Paul.
> >
>
> After doing the retorecon, I'm getting fewer messages but swap is not
> coming on at boot.
>
> [chippy at ophth-bilora ~]$ free -m
>              total       used       free     shared    buffers     cached
> Mem:           495        309        185          0         24        170
> -/+ buffers/cache:        115        379
> Swap:            0          0          0
> [chippy at ophth-bilora ~]$ dmesg | grep swap
> Kernel command line: ro root=/dev/VolGroup00/LogVol00 rhgb quiet resume2=swap:/dev/hda6
>
> [root at ophth-bilora chippy]# /sbin/swapon -a -e
> [root at ophth-bilora chippy]# free -m
>              total       used       free     shared    buffers     cached
> Mem:           495        368        126          0         26        199
> -/+ buffers/cache:        141        353
> Swap:            0          0          0
> [root at ophth-bilora chippy]# /sbin/swapon -sv
> [root at ophth-bilora chippy]# /sbin/swapon /dev/hda6
> [root at ophth-bilora chippy]# free -m
>              total       used       free     shared    buffers     cached
> Mem:           495        368        126          0         26        199
> -/+ buffers/cache:        141        353
> Swap:         1004          0       1004
> [root at ophth-bilora chippy]#
>
> Why doesn't "swapon -a -e" work?
>
> Rick B.
>
>
>
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Hi Rick!

Lets go back a bit.  What is in /etc/fstab?
# Mine is a bit strange me doing quad boot FC5, Ubuntu, Suse, and Sun.
-------------------------------------------------
tod at tod-desktop:~$ cat /etc/fstab
# /etc/fstab: static file system information.
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
/dev/hda1       /               ext3    defaults,errors=remount-ro 0       1
/dev/hda2       none            swap    sw              0       0
/dev/hdc        /media/cdrom0   udf,iso9660 user,noauto     0       0
------------------------------------------------
# and so you feel more at home:
------------------------------------------------
tod at tod-desktop:~$ free -m
             total       used       free     shared    buffers     cached
Mem:           630        620         10          0         71        204
-/+ buffers/cache:        344        286
Swap:         1287         18       1268
tod at tod-desktop:~$ dmesg | grep -i swap
[17179635.188000] Adding 1318456k swap on /dev/hda2.  Priority:-1
extents:1 across:1318456k
---------------------------------------------------
Is the device in fstab what you want and will the options defined
work?  In my case /dev/hda2 was made and chosen by Solaris and I
simply copied, pasted the line in Solaris to this Ubunut fstab.
Anyway, I think it is likely fstab will have a clue.

Good Hunting!

Tod