Re: hibernate and swap partition size (newbie question)
On 22/02/2008, Bob Proulx <bob@proulx.com> wrote:
> Jimmy Wu wrote:
> > From what I've read online, I get the general idea that in order to be
> > able to hibernate/suspend to disk properly, the swap partition has to
> > be big enough to hold all of the RAM inside it, right?
> >
> > Is it possible to hibernate if my swap partition is smaller than my
> > RAM? I have 2 GB of RAM, and when I installed Debian, I figured I
> > would hardly ever need that much, so I made swap 1.4 GB.
>
> IIRC the ram image is compressed using lzw compression. Therefore it
> actually depends upon how well things compress. If you have good
> compression then it would fit. But if not then it wouldn't. But it
> is data dependent upon what is in ram at the moment. Using lzw is not
> really intended to reduce the amount of disk needed but is done as a
> way to speed up the hibernate process. Writing disk is slow and if
> that can be reduced then hibernation is faster. But it might work to
> your advantage anyway.
Is it me or you also need big enough /tmp. I installed lenny 64 with
/tmp of 512mb with ram of 2gb suspend/hibernate would not work. On a
reinstall (for some other reason) I made /tmp 2.5gb now both work.
Puzzled...
--
Regards,
Sudev Barar
Read http://blog.sudev.in for topics ranging from here to there.
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