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Re: sharing /boot beween FC1 and FC2



On Tue, 2004-05-18 at 12:26, Chris Jones wrote:
> shmuel siegel wrote:
> > On Tue, 2004-05-18 at 11:33, Chris Jones wrote:
> > 
> >>Hi,
> >>
> >>I want to upgrade my system to FC2, but since it took a long time to get 
> >>things going correctly in FC1 I want to dual boot both for a while 
> >>instead of upgrading only to discover things don't work, sharing /home 
> >>and a few data partitions. I already have a /boot partition for FC1 and 
> >>I am wondering if I can just point the FC2 install to this during 
> >>installation - will it add itself correctly to grub.conf, or will it 
> >>crash my FC1 boot options ? Is this just a bad idea ?
> >>
> >>cheers Chris
> >>
> > 
> > In my experience with the test releases, this has not been straight
> > forward. I advise you to back up /boot, do the install, copy back the
> > old vmlinuz, System.map,  config and initrd files. Then hand merge the
> > old grub.conf with the new grub.conf.
> > But more importantly, you must use a different root partition, i.e. "/"
> > , or you old system will become inoperable.
> 
> Sure, backing up /boot before is definitely a good idea and I was 
> planning on doing that. Also I was planning to install FC2 into its own 
> root partition, so "/" for FC1 and FC2 are completely seperate. I can 
> then share the /home partition plus a few others I have for data files.
> 
> So I guess in principle this should work, but I probably will have to 
> rebuild /boot by hand afterwards to get everything working..
> 
> cheers Chris
> 
reading craig's reply, I realized that I forgot to mention two things.
When I said you need a different / partition, I was mentally including
all of the system partitions var,etc,lib,bin and any others besides home
and any data partition that you might have.
Also, to share access rights you need to set up Identical UID's and
GID's on the two systems.
On the plus side, this is how I actually run. I have FC1 and FC2 on the
same machine but I decided to use a different /boot also and I just
modify grub.conf of fc2 whenever the kernel of fc1 changes. I didn't
trust the test releases to play nice with a shared /boot.



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