Crash and hence DB upgrade for version 2.1.18

[Simon Matter]

> Hello,
>
> We have an old version (2.1.10?) running on one of our servers
> which crashed today. We are still trying to access the server
> so that we can determine what is the amount of data loss we
> have. In the mean time, I thinking of building another machine
> maintaining pretty much the same versions (but going with the
> most latest bug fixed version at that level). However, I am
> thinking of using the db-4.3.x, where as the old setup may have
> used 4.0.x.
>
> Assuming that we are able to get our hands on the mailboxes, can
> simply copy over the files on a similarly named partitions and
> start the cyrus-imap 2.1.18 (built with 4.3.x)?

No, the ondisk format might have changed so you have to convert the BDB
files using the BDB tools. Check the list archives for more info, this has
been discussed again and again so you should find all information there.

Simon