[Date Prev][Date Next] [Chronological] [Thread] [Top]

Re: syncrepl skipped entryCSN on openldap-2.4.44 on centos 6



On Feb 18, 2017 05:41, "Quanah Gibson-Mount" <quanah@symas.com> wrote:
>
> --On Friday, February 17, 2017 5:46 PM +0800 Daniel Jung <mimianddaniel@gmail.com> wrote:
>
>>
>> Hi,
>>
>>
>> I see that some entryCSN have not been synced properly with the
>> provider. 
>> I run multimaster setup and with several slaves and sometimes i see that
>> some slaves have old entryCSNs and I am syncing them manually with -c
>> option. 
>
>
> Do you mean contextCSNs?
No. ContextCSN is up to date. But some entries have old entryCSN compared to the master.
>
>
>> I haven't been able to track the cause nor see anything in the log to
>> indicate the problem. However, we have had slapd become non-responsive
>> due to IO blocking on logging. Could this cause syncrepl to miss updating
>> the entries?  Has anyone seen this behaviour? 
>
>
> If slapd gets locked up, hard to say what the side effects could be.  Do you have stats+sync logging enabled on all of the systems?
I do have stats and sync enabled.
>
> --Quanah
>
>
> --
>
> Quanah Gibson-Mount
> Product Architect
> Symas Corporation
> Packaged, certified, and supported LDAP solutions powered by OpenLDAP:
> <http://www.symas.com>
>