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

RE: syncrepl questions

Howard Chu writes:
> I had considered this design once before; it would be pretty easy to
> implement using back-ldap in an overlay in serial form. Concurrently
> updating multiple targets would be a bit more effort. This simple
> approach using back-ldap would have no resilience; if any target
> servers are unavailable then you lose...

No good.  While load balancing will be one reason for multiple servers,
another is to have fail-over when one of the servers goes down.

> Though the basic "update everyone" concept is simple enough, we'd
> still need LDAP transactions to make it clean, which would allow for
> consistent multimastering.

Well, we'll probably write it so that one daemon on one host will do all
the updates.  So that daemon will handle consistency issues.