[horde] Activesync unexpected full sync

[Matthew Seymour]

Quoting Torben Dannhauer <torben at dannhauer.info>:

> -----Ursprüngliche Nachricht-----
> Von: horde [mailto:horde-bounces at lists.horde.org] Im Auftrag von  
> Michael J Rubinsky
> Gesendet: Donnerstag, 19. Oktober 2017 14:27
> An: horde at lists.horde.org
> Betreff: Re: [horde] Activesync unexpected full sync
>
>
> Quoting Torben Dannhauer <torben at dannhauer.info>:
>
>>> Am 18.10.2017 um 17:29 schrieb Matthew Seymour <matt at fivesmallponies.com>:
>>>
>>>
>>> Hi folks,
>>>
>>> I'm continuing to have this problem. I've managed to capture the
>>> issue with a smaller log file (only 300MB this time) but can't see
>>> anything obvious. It looks as if the iOS device has difficulty
>>> contacting the server, for some reason, then re-syncs everything.
>>> So the activesync logs look fine, because they are. What I'm not
>>> clear on is what might be causing this... it's also a guess as to
>>> what's actually going on.
>>>
>>> Unfortunately this is making calendars unreliable so I'd love to get
>>> to the bottom of this.
>>>
>>> Any pointers are welcome.
>>>
>>> Matt
>>>
>>> --
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>>> mail: horde-unsubscribe at lists.horde.org
>>
>> Matthew,
>>
>> I have also the impression that the cendar sometimes resybcs and
>> forgets so dates. I was unable to get logs of this since I always
>> discoverey he missing appointments when I missed an event. I‘m very
>> interested in your investigations!
>>
>> -> correction edit: oops lots of typos. I meant "I have also the
>> impression that the calendar resyncs and forgets some dates"
>
> If it's strictly calendar data, might be related to parsing MAPI  
> data in meeting invitations coming from MS clients. Try installing  
> the bcmath php extension, which improves performance over PEAR's  
> (sometimes buggy) Math_BigInteger package.
>
>
>
> It is already installed...
>
> Torben


I can also confirm that calendar entries are getting lost. It's hard  
to pin down what and when, but certainly entries added on an iOS  
device to a calendar shared between users will disappear. It's all  
very unreliable but I can find no errors anywhere.