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Antw: Re: trouble when switching from bdb to mdb database



>>> Howard Chu <hyc@symas.com> schrieb am 13.11.2013 um 22:45 in Nachricht
<5283F2E7.6050201@symas.com>:
> Aleksander DzierÅanowski wrote:
>> Hi.
>>
>> I have properly runnig setup of three multimaster OpenLDAP servers (version

> 2.4.36 from ltb project) with bdb database backend. Everything was working 
> flawless so I decided to try out ânew shiny' mdb database with the same 
> configuration - the only thing I changed was removing âcacheâ settings and

> adding âmaxsizeâ.
>>
>> What Iâm doing and observing:
>> - clear all config and database on all masters. Generate new configuration

> from slapd.conf using âslaptestâ tool.
>> - on master1 I add three base organizations letâs say o=test1 + o=test2 +

> o=test3 using slapadd [without -w switch]
>> - on master1 I add some entries using ldapadd command so all organizations

> have now contextCSN attribute.
>> - starting master1 - everything OK
>> - starting master2 - everything OK, including succesfull replication from 
> master1
>> - starting master3 - everything OK and including replication, butâ some or

> all other master are dying unexpectedly.
>>
>> strace of dying process show:
>> ---
>> write(2, "slapd: id2entry.c:509: mdb_opinfo_get: Assertion `!rc'
failed.\n", 
> 63) = 63
> 
> This is ITS#7662. It was fixed a while ago but the fix was accidentally 
> omitted from releases. Fix will be in 2.4.38.

Hmm: Do you run any test-suite before release?

>> â
>>
>> debug log last lines:
>> â
>> => mdb_entry_get: ndn: âo=test1â
>> => mdb_entry_get: oc: "(null)", at: âcontextCSN"
>> â
>>
>> But when I do âslapcatâ I can clearly see contextCSN for all o=test[123]

> databases...
>>
>> Is it bug or some possible replication configuration issue?
>> â
>> Olo
>>
>>
> 
> 
> -- 
>    -- Howard Chu
>    CTO, Symas Corp.           http://www.symas.com 
>    Director, Highland Sun     http://highlandsun.com/hyc/ 
>    Chief Architect, OpenLDAP  http://www.openldap.org/project/