Re: Fwd: yum rollback !!

exactly , that would be a great idea , ..... can u give me some help on the
working of yum , i am not very well versed with the internals and
functioning of YUM ....

thanks
satish.


On 4/1/08, Alastair Neil <[email protected]> wrote:
>
> On Tue, Apr 1, 2008 at 8:11 AM, Satish Eerpini <[email protected]> wrote:
> > hi tim ,
> > well ya i agree with u ,.... i had this in mind , because once we erase
> the
> > package, the system may become inconsistent , degrading the whole idea
> > behind having the rollback functionality . so any further suggestions ?
> >
> > and ya Fajar, i actually was reluctant to use yum in my first
> > implementations of the scripts , but didn't think of a better method
> given
> > my low knowledge, ..... actually using storage and providing backup and
> > recovery was a option i already had, .... but my point was to design it
> to
> > be very simple to use and a very 'swift' application ........
> >
> > Thanks
> > -Satish
> >
>
>
> > On Tue, Apr 1, 2008 at 4:57 PM, Tim Lauridsen <
> [email protected]>
> > wrote:
> > >
> > > Satish Eerpini wrote:
> > > > well Fajar, i didnt quite understand your point, how is storage
> related
> > > > to the roll back functionality , ... ?
> > > > can u explain a bit , or refer some resources from where i can
> > > > understand this ?
> > > >
> > > > Thanks
> > > > Satish
> > > >
> > >
> > > The mayor problem with roleback is that you can't reverse the changes
> > > done by scriptlets in RPM, so it is not posible to do downgrade in a
> > > safeway.
> > >
> > > EX.
> > >
> > > rpm -ivh foo
> > > rpm -e foo
> > >
> > > these commands add a package and remove it again.
> > > the state of the system might not be the same before and after these
> > > commands, so a safe rollback is not possible.
> > >
> > > Tim
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > Yum mailing list
> > > [email protected]
> > > https://lists.dulug.duke.edu/mailman/listinfo/yum
> > >
> >
> >
> > _______________________________________________
> >  Yum mailing list
> >  [email protected]
> >  https://lists.dulug.duke.edu/mailman/listinfo/yum
> >
> >
>
> Perhaps a cogent first step would be to write a yum plugin that does
> log exactly the information you need to roll back the system.
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