Re: [Evolution-hackers] mail migration

[Sasa Ostrouska <casaxa gmail com>]

On Fri, Dec 14, 2012 at 11:24 PM, Sasa Ostrouska <casaxa gmail com> wrote:
> On Fri, Dec 14, 2012 at 5:55 PM, Matthew Barnes <mbarnes redhat com> wrote:
>> On Fri, 2012-12-14 at 04:54 +0100, Sasa Ostrouska wrote:
>>> I have about 5Gb of e-mails on my laptop which I use for work, and it
>>> is still on evolution 2.26.3.
>>> I would like to migrate now this stuff to evolution 3.6.x
>>>
>>> What is the best way to do that ?
>>
>> Hi Sasa,
> Hi Matthew,
>>
>> While Evolution does try to automatically migrate data when necessary
>> after upgrading, this is intended more for incremental upgrades, say
>> from 3.4 to 3.6.
>
> Ok got it, thanks for this info.
>
>>
>> Automatic data migration becomes less tested and therefore more risky
>> the more versions you skip.  Going from 2.26 to 3.6 is a huge leap!
>>
> Yup, I believe so. But maybe its worth a try, I have many backups of
> my .evolution dir.
> I saw that 2.26 has an export option in File menu, but I suppose this
> is only for configurations
> of the accounts, or am I wrong ?
>
>> I recommend breaking the upgrade into at least two steps, particularly
>> 2.26 -> 3.0 -> 3.6.
>>
> Ok, will try that.
>
>> Evolution 3.0 was the first version to convert your local mail from mbox
>> format to Maildir format.  Do that first, and once you verify your local
>> mail is in tact, proceed to 3.6.
>>
> Ok very clear. Is Maildir very different from mbox ? And why the team
> has choosen to
> change the format of archiving mail ? I'm not an expert, just curious.
>
>> Evolution 3.6 was the first version to convert your account info from
>> GConf entries to plaintext data files.  Account info is now stored in
>> ~/.config/evolution/sources where it's much easier to backup and copy.
>> The contents of this directory determine whether Evolution runs the
>> account wizard on startup.
>>
> Ok very clear, will try to look at this data in .config/evolution .
> Now, can you please point out
> if its there some documentation about the 2.26.x evolution config and
> .evolution dir files ?
>
> Also if i remember well some time ago the old evo maintainer, I think
> Sirinisa or something like that
> pointed out some conversion utilities he made , maybe I'm wrong. Will
> try to search a bit the mail archives.
>
>> Matthew Barnes
>>
> Thanks
> Sasa
>>