Am Sonntag, 3. Juli 2016, 19:17:19 CEST schrieb Martin Steigerwald: > And I wouldn´t use export/import, it never worked for me.
No, thats not quite accurate, I am not sure I tried it after having read from many users in upstream mailinglist, that it often does not work. Well I think I once used it and it was a desaster, but thats really a long, long time ago, so I am not quite sure. But I think from back then I found that in case you need to import something: Create a suitable resource for the data you want to import, point it at the data and let it index it is way more reliable and faster. Still the automatic migration will likely always be faster and require less manual work than any other approach – none in the optimal case, so I suggest you always just try to let automatic migration do its shop. Be prepared that it will do a MySQL database schema upgrade, add in new indexes and also use a two-level file_db_data, so once you upgrade akonadi- server there is no easy and supported way back. So again, have a backup, just in case. And be prepared that it can take a longer time where your Akonadi is basically busy with the migration and not responding, at least not timely, to anything else. Depending on whether your system has an SSD, migration may be quite quick, but for harddisk based systems with huge amounts of mails and a large MySQL database it can take several hours I think. There may or may not be some progress indication in Akonadiconsole. Thanks, -- Martin

