Will shared swap bite me?

[John Summerfield]

Chuck Anderson wrote:
> On Thu, Oct 30, 2008 at 06:06:35PM -0400, Bill Davidsen wrote:
>> I have to set up a machine as dual boot 32/64 bit and I would really love 
>> to not waste space on swap partitions being duplicated if I don't have 
>> to. That said, if I do two installs and use the same swap partition, what 
>> evil will come of it?
> 
> No problems.  I do it all the time when testing/switching between 
> different Fedora releases.
> 
>> The only obvious issue I see is suspending the non-default kernel and 
>> trying to boot the other (found that in FC6) and I can avoid that. Any 
>> other know issues I have to avoid?
> 
> Yeah, you definately don't want to hibernate to swap on one OS and try 
> to boot the other.  You'll just lose your hibernated system and leave 
> the filesystems in inconsistent state.  In general it is very bad to 
> boot /anything/ other that the original hibernated kernel when after 
> you have hibernated.  That's why grub doesn't show you a menu when you 
> boot up in a hibernated state.

_I_ don't think I'd like that. I _can_ hibernate Windows, run Linux, 
then resume Windows. I've not hibernated Linux at all except 
accidentally (FC3 I recalled resumed then shutdown, I lost interest then).

> 
>> The object is to run one 64 bit program without reinstalling the whole 
>> stable 32 bit environment.
> 
> Why not go all 64-bit?  I've been using it, and have had zero issues 
> with 32/64 bit compatibility.
> 
I've been running pure 64-bit Fedora and SL5 with no problems that 
concerned me: I don't know what, if any, browser plugins work, and don't 
really care. I don't like flash!



-- 

Cheers
John

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