On Fri, 14 Oct 2011, Dave McMurtrie wrote: > On Oct 14, 2011, at 7:16 PM, Andrew Morgan <morgan@xxxxxxxx> wrote: > >> I finally have some time to work on upgrading our Cyrus Murder >> installation from 2.3.16 to 2.4.12. We have 3 backends, 3 frontends, and >> a mupdate master, all separate systems. >> >> When I upgraded from 2.2 to 2.3, I had to upgrade the backends first. >> Otherwise, the 2.3 frontends would issue commands that the 2.2 backends >> didn't know yet. I see the following note in the install-upgrade guide: >> >> Upgrading from 2.4.5 >> >> New config option: suppress_capabilities, which takes a space >> separated list of capabilities which will NOT be given in any imap >> capability response. This can be used on frontends to not display >> capabilities that older backends don't have, so clients don't get confused >> >> >> This leads me to believe that I should upgrade the backends to 2.4 first. >> Is that true? Has anyone done a Murder upgrade from 2.3 to 2.4 and can >> tell me what order they upgraded the hosts? >> > > Yes, you'll want to upgrade the frontends first and suppress the new > capabilities on the frontends that the old backends aren't yet aware of. Hmmm, how do I know which capabilities to suppress? Should I just compare the CAPABILITY response from a 2.3 and a 2.4 server? Thanks, Andy ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
