[Dovecot] behavior of dovecot with Openldap

[Masaharu Kawada]

Dear all,

Thank you very much for your time and your big help.

I really appreciated all of you.


Best Regards,


Masaharu Kawada

Timo Sirainen wrote:
> On Fri, 2009-01-23 at 15:17 +0900, Masaharu Kawada wrote:
>   
>>> Any idea what Dovecot version? rhel4 had 1.0.rc15 I think? I know there
>>> were some LDAP bugs in it, but I don't really remember anymore. Did
>>> Dovecot really try to access the server2, or was it simply unable to
>>> reconnect to the LDAP server at all? If the latter, it's probably just 
>>> rc15 bug.
>>>       
>> Since the customer has been using RHEL4.3, Dovecot version should be
>> something in between dovecot-0.99.11-2.EL4.1 and 0.99.11-9.EL4. These
>> are all for RHEL4. I'm sorry that I have not been provided the version.
>>     
>
> Like Charles said, from my point of view v0.99 is dead and buried. It's
> simply too old version to waste any time on its bugs.
>
>   
>> 1. About the specification of dovecot for reconnection
>>
>> In case Dovecot switch to server2 due to server1 gets some problems
>> such as service down, does the server2 never reconnect to the server1
>> even the server1 become available to respond again? Even if so,
>> is it sure that if the server2 is down, then does Dovecot normally try to
>> connect to the server1?
>>     
>
> All of this is handled by OpenLDAP library internally and I don't know
> how it works. But my GUESS is that it always simply connects to the
> first working server and never disconnects from it by itself.
>
>   
>> 2. Configuration by 'hosts' and 'uris' parameter in dovecot-ldap.conf
>>
>> Is there any differences for the way to reconnectionś  behavior between
>> those parameter? I believe that both parameter can specify sevral ldap
>> server, then I would like to know whether each parameter does the action
>> for reconnection in the same way.
>>     
>
> Again this is handled by OpenLDAP internally. And again my GUESS is that
> there's no difference between their reconnection handling.
>   


-- 
-------------------
Masaharu Kawada
Associate Global Support Engineer
Red Hat K K
Ebisu Neonato 8F
1-18 Ebisu 4-chome, Shibuya-ku
Tokyo 150-0013, Japan
Direct: +81-3-5798-8482