On Mon, Sep 5, 2011 at 12:10 PM, Maciej Puzio <[log in to unmask]> wrote:
> Thanks everyone for replies. On Saturday I managed to update the server to
> 6.1. Or so I hope, I am not sure anymore. The update went smoothly with one
> exception: SL .repo files got overwritten, and not only did "6x" revert to
> "$releasever", but fastbugs was removed entirely. Had I not been vigilant, I
> would be for quite a nasty surprise. Nastier even if I used third-party
> repos with priorities, as priority settings would have gone up in smoke.
> Can't say that I am thrilled by how this works...

There is a how-to page here:

https://www.scientificlinux.org/documentation/howto/upgrade.6x

Regarding the fastbugs repo, you need to install yum-conf-sl-other
(see #6 of the how-to).

Akemi