Re: delta-syncrepl problems with 2.4.12

[Michael Ströder <michael@stroeder.com>]

John Morrissey wrote:
> On Tue, Nov 11, 2008 at 02:18:10PM -0800, Quanah Gibson-Mount wrote:
>> --On Tuesday, November 11, 2008 4:35 PM -0500 John Morrissey 
>> <jwm@horde.net> wrote:
>>> Instead of slapcat(8)/slapadd(8)ding the old databases, we're removing
>>> the existing databases and allowing slapd(8) to delta-syncrepl a copy
>>> from scratch. Ironing out this use case is especially important for us
>>> since we expect to be adding a number of consumers in the coming months
>>> and would obviously prefer to bring them online without having to shut
>>> down any other slapd instances for slapcat(8)ting.
>> Why would you have to shut down a server to slapcat it?  Hot slapcatting 
>> has been supported for a long time.
> 
> Right, slapcat's man page indicates it's always safe to run against the bdb
> backend, but I suspect that's referring more to read concurrency and not
> necessarily the generation of a consistent, point-in-time snapshot of the
> database.

Consistency is preserved at entry level. If there is consistency needed
across several related entry this cannot be guaranteed with pure LDAPv3.

Ciao, Michael.