> I always update my IA32 systems while they're live, but I think it can go awry. > Think of something starting up while you're updating glibc - it could get some > old versions of libraries and some new.
The application will be loading backward compatible libraries > Additionally, for some packages there can be configuration-file changes. As so > often, it depends. > > Taking it out of service is always safe, but not always essential. I work on the rule of scheduling potential downtime but hoping its not needed. I've done 7.2->7.3 updates on x86 without downtime (barring kernel)
