> > On Sep 22, 2010, at 7:57 AM, Sebastian Hagedorn wrote: > >> --On 22. September 2010 07:47:26 -0400 Jeffrey T Eaton <jeaton@xxxxxxx> >> wrote: >> >>> All of that said, I believe that, in general, you can safely upgrade >>> BDB. >>> If you have a Cyrus installation using BDB X, you can drop in a new >>> Cyrus >>> using BDB Y, as long as everything is shut down in between. You can't >>> go >>> back without effort, but upgrades should work. >> >> I'm pretty sure that's not true. *If* an application uses BDB's >> environment features (not all do!), you *cannot* simply upgrade, unless >> the application is programmed to perform the upgrade automatically. >> Otherwise you have to either use db_upgrade to convert the environment >> to the current version, or you use db_dump and db_load. There's a >> db_upgrade() call in the library that could be used, but it might not >> work in all cases: >> >> Errors >> The DB->upgrade() method may fail and return one of the following >> non-zero errors: >> >> DB_OLD_VERSION - The database cannot be upgraded by this version of the >> Berkeley DB software. >> -- >> .:.Sebastian Hagedorn - RZKR-R1 (Gebäude 52), Zimmer 18.:. >> .:.Regionales Rechenzentrum (RRZK).:. >> .:.Universität zu Köln / Cologne University - â?? +49-221-478-5587.:. > > Hmm. I thought that I had updated BDB in the past. I probably just nuked > the databases between updates, since we only used them for transient data > (tls_sessions.db, deliver.db, ptscache,db). You can upgrade between some versions but not all. > > The rest of my point stands; changing the BDB version is a problem in and > of itself, not changing the Cyrus version. I know of no reason why one > couldn't update a Cyrus 2.2 installation to 2.3. Well, I never said it's a problem of Cyrus, it's a problem of BDB. Just ask the OpenLDAP folks - and those doing distribution packages for it. The only way I see for Cyrus is to stay away from it. Simon ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
