How to migrate away from BDB

[Simon Matter]

> On Monday 27 September 2010 17:30:01 Mark Nipper wrote:
>> On 27 Sep 2010, J. Roeleveld wrote:
>> > I wasn't able to find a specific howto for this during a brief
>> > Google-search.
>>
>> 	I recalled that the Debian package for Cyrus had some
>> decent instructions on this.  You can see them at:
>> ---
>> https://mail.incase.de/svn/cyrus22/trunk/cyrus-imapd-2.2.13/debian/README.D
>> ebian.database
>>
>> 	That will get you started.  I have this at the bottom of
>> my imapd.conf:
>> ---
>> # bypass BDB hell
>> annotation_db: skiplist
>> duplicate_db: skiplist
>> mboxlist_db: skiplist
>> ptscache_db: skiplist
>> quota_db: skiplist
>> seenstate_db: skiplist
>> subscription_db: skiplist
>> tlscache_db: skiplist
>> ---
>>
>> 	So those were all of the different databases I converted
>> to skiplist to avoid any potential problems.
>
> Thank you, I will have a look through this.
> Are there any caveats I need to be aware off?
>
> I am planning on taking notes of all the changes and actions I take and
> post
> them back to the list. (This thread is here to keep a record as well :) )
>
> Lets start with the basic info about my installation:
> Distribution: Gentoo
> Cyrus version: 2.3.14-r3 (The "-r3" is, afaik, Gentoo-specific)
>
> I don't appear to have these files:
> **
> diff -u /usr/lib/cyrus/cyrus-db-types.active \
>            /usr/lib/cyrus/cyrus-db-types.txt
> **
>
> Are these Debian specific? Or is there something missing from my
> installation?
> Or do these only exist when Cyrus is not running? (Which I would find
> strange)

I don't know the Debian packages but I'm quite sure it's Debian specific.
Looks like their way to remember the current state of backends somehow.

>
> And from what I gather, the instructions refer back to the contents of
> these
> files.
> Is there a way to get these files created?
>
> Thanks,
>
> Joost
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