> On Apr 9, 2018, at 5:34 AM, Marc Stürmer <m...@marc-stuermer.de> wrote: > > Am 2018-04-09 00:55, schrieb Steve Atkins: > >> Will a simple backup of all the files of an multi-dbox give me a >> consistent state when I recover, or do I need to do something (e.g. >> lock writes to the mailbox) while I run a backup? > > If you are doing this backup with a fully operational mail storage: no, it > won't. The reason is quite simple: mdbox saves the data of an email in > several files, so there's a good chance that those files might slightly > change during backup, while with Maildir all necessary data for the restore > is stored in the file names. > > If you want to do a consistent backup, you do need file system snapshots and > should make sure that this snapshot is consistent or to turn off the mail > store during backup completely
Thanks. Time to read up on snapshots! Cheers, Steve
