Re: Upgrading from 3.4.1 on Debian

Hi Gabor,
Thanks for these guidelines they have helped a lot.

I have, I think, successfully applied the patches from the debian 
snapshot (3.4.3-4 seems to be the latest) to the original source for 
3.4.4 on my clone VM and successfully built cyrus-impad and it appears 
to run.

Before I roll it out onto the actual server VM (after another backup), I 
just want to clarify the perl situation. The cyrus documentation just 
says perl >5 is needed, and when I check my system I have 5.32 
installed, not 5.36

At risk of dragging the list sideways to a debian discussion rather than 
cyrus-imapd discussion, apart from cyrus-imapd the server is running 
stable (bullseye) and again apart from cyrus-imapd, is updated regularly 
using apt-get, so presumably perl 5.32 is the latest version in debian 
stable? Do I need to upgrade perl to 5.36 at this time for cyrus-imapd 
3.4.4 or 3.6 to work properly, or was that an assumption that I will 
upgrade the entire server to testing (bookworm) so would already have 
perl 5.36? That is not my intention, my intention is to ultimately 
install cyrus-imapd 3.6.0 from the bullseye backports because the 
backports are supposed to be confirmed as being in the next stable 
release so that should provide me a path to eventually getting my server 
fully onto debian stable software.

I have to admit, I am a little nervous about the backports because I 
think I originally got 3.4 from buster backports and it didn't make it 
to bullseye, but forced me into using the testing version when I 
upgraded from buster to bullseye. I can't confirm that, just that the 
original commented out deb-src line in my sources.list is for 
buster-backports, not testing.

Best regards
Jim



On 21/02/2023 10:30, Gabor Gombas wrote:
> Hi!
>
> Well, 3.4 was never part of an official Debian release. The latest 3.2
> version which is available in Bullseye has the mailbox unique ID fix
> backported. So in theory, upgrading from Bullseye to Bookworm should
> work, if you make sure all Bullseye updates are applied first.
>
> This will not help you however, since you're using "testing", not
> "stable", and Debian does not officially support upgrades from package
> versions which were never released as "stable". What you can do is to
> grab the Cyrus 3.4.4 sources, and apply the Debian patches from the
> latest 3.4.x snapshot. I did that in last December, it worked without
> much problems, and then I've moved to the 3.6 Debian package a week or
> so later. I _think_ 3.4.4 already supports building with Perl 5.36
> (3.4.3 did not build with Perl 5.36 out of the box) - if not, then you
> should lift the assert() macro from 3.6 and fix a few missing
> semicolons.
>
> Arguably, Debian moving to 3.6 betas was a bit pre-mature, but on the
> other hand, someone has to find the bugs to get them fixed...
>
> Regards,
> Gabor
>
> On Tue, Feb 21, 2023 at 09:33:49AM +0000, Jim Wallis wrote:
>> Thank you Matthijs!
>>
>> Unfortunately the latest 3.4 series source package is 3.4.3-4 and release
>> notes say I need to migrate to 3.4.4 before 3.6.
>> I think I will need to try to work out who the package maintainer is and ask
>> if they have plans for a 3.4.4, which seems unlikely since the 3.4.3 package
>> was last updated a year ago.
>>
>> Best regards
>> Jim
>>
>> On 21/02/2023 09:12, Matthijs Möhlmann wrote:
>>> On 20/02/2023 18:18, [email protected] wrote:
>>>> I finally had a chance to look at bringing our cyrus-imapd up to date.
>>>> I last updated to version 3.4.1-2 by compiling and installing from a
>>>> debian source package because the binaries didn't include features I
>>>> needed for our setup (I think it was to do with getting SASL to use
>>>> active directory).
>>>> Currently Debian is only offering binary and sources for 3.2 series
>>>> and 3.6 series, nothing for 3.4 series. I can't even find online the
>>>> sources for the 3.4.1-2 that I have already downloaded from before.
>>>>
>>>> Given that the upgrade to 3.6 recommends starting from at least
>>>> 3.4.4 due to differences in the storage systems I am a little bit
>>>> perplexed.
>>>>
>>>> Does anyone have experience of finding older debian source packages,
>>>> assuming that debian have ever packaged a 3.4.4 source?
>>>>
>>>> As I recall Debain have unique locations for things so installing
>>>> from the cyrus sources is a nightmare for me. I'm pretty sure I have
>>>> tried this before and failed to get the binaries where they needed
>>>> to be.
>>>>
>>>> We normally just have a single server so I have no experience with
>>>> replication, but I am working on a clone of my virtual machine
>>>> (intending to do an in place upgrade)  - do I need to uninstall 3.4
>>>> completely, do a fresh 3.6 install and then replicate from the
>>>> existing 3.4 VM to 3.6 in my testing VM?
>>>>
>>>> Jim
>>> Hi,
>>>
>>> You can find the history of debian packages here:
>>> http://snapshot.debian.org/package/cyrus-imapd/
>>>
>>> Regards, Matthijs
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