Re: [Fedora-directory-users] Consumer initiated replication

[Hariharan R]

Hi,

Thanks for your reply.

Let us take the scenario in which the consumer server is taken off line for 
maintenance purpose. When the consumer server comes back online, how does it 
initialize (update) it's replica? Because in the mean time supplier server may 
have been updated.

If only supplier initiated replication is supported by Fedora Directory Server, 
how does the supplier know that the consumer has come back online ?

Regards,
Hariharan R


>  Hi, 
>  Does the Fedora Directory Server support consumer initiated
> replication. If 
>  not, is there any work around for this ? 
>  No Fedora DS does not support consumer initiated replication. For
> what 
>  reasons do you require CIR? 
>  Please advise. 
---
Hariharan.R

[Fedora-directory-users] Consumer initiated replication

[Rich Megginson]

Hariharan R wrote:
>  Hi,
>
>  Thanks for your reply.
>
>  Let us take the scenario in which the consumer server is taken off 
>  line for maintenance purpose. When the consumer server comes back 
>  online, how does it initialize (update) it's replica? Because in the 
>  mean time supplier server may have been updated. 
The supplier will automatically
update the consumer when it contacts the 
consumer.  The supplier attempts to contact the consumer periodically.  
It uses a backoff strategy that has a maximum time of 5 minutes.  So at 
most, the consumer will be about 5 minutes behind the supplier.
>  If only supplier initiated replication is supported by Fedora 
>  Directory Server, how does the supplier know that the consumer has 
>  come back online ? 
It doesn't.  There is no way for the consumer to contact the
supplier 
directly.  If 5 minutes is too long, there is a way for an operator to 
force sending updates.  You can do this using ldapmodify - modify the 
replication schedule in the replication agreement entry to "close the 
window" e.g. use something like 0000-0001 0 (i.e. replicate between 
midnight and 12:01 Sunday morning).  Then, immediately change the 
schedule back to what it was (usually 0000-2359 * or "* *").  This will 
have the effect of forcing the supplier to send all of its updates 
immediately.
>  Regards,
>  Hariharan R
>
>
> > Hi,
>
> > Does the Fedora Directory Server support consumer initiated 
> > replication. If not, is there any work around for this ?
>
> > No Fedora DS does not support consumer initiated replication. For 
> > what reasons do you require CIR?
>
> > Please advise.
>
>  ---
>  Hariharan.R
>
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