Re: [debian-knoppix] Swapoff -a?
On Thu, May 09, 2002 at 07:11:58PM +0200, Andreas Fuchs wrote:
> On 2002-05-08, Klaus Knopper <knopper@linuxtag.org> wrote:
> > Should the default behaviour nor be to use swap when present, and
> > disable it when it needs to be disabled? Most users boot straight to
> > KDE, and Ram is critical there.
> >
> > Those using Knoppix as rescue system should usually know how to
> > disable swap when they are modifying partitions manually.
>
> One problem that I see is that those starting a rescue system sometimes
> have a fscked up partition table (no pun intended). Thus, when knoppix
> notices a type 82 partition, it might not necessarily contain a swap
> partition. I haven't yet tried Linux's robustness when it comes to bad
> swap partitions, but I guess that knoppix's should provide an ability to
> have it not activate swap on boot - maybe the non-graphical boot path
> should have this as default?
This is usually not a problem. When swapon does not find a valid swap
signature (generated with mkswap), it does not use this partition or
file for swapping.
We did have ONE case where someone had formatted a type 82 partition
with xfs, and forgot to change the type to 83. xfs does not seem to
delete the swap signature, so there WAS a problem. I would count
this case as a selfmade problem though.
Regards
-Klaus
--
Klaus Knopper LinuxTag 2002 - Europes largest Linux Expo
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