[389-users] openldap client HA for multimaster replication

[Rich Megginson]

On 07/06/2012 12:33 PM, Ryan Palamara wrote:
>
> Sorry,
>
> If I just stop the dirsrv service on the first server, the ldap 
> clients authenticate against the second server instantly.
>
Like
service dirsrv stop?

> However if the first server is shutdown,
>

Like
telinit 0
or
shutdown
?

> then it take 10-15 seconds for clients to failover authentication to 
> the second server.
>

When you issue the telinit 0 or shutdown command, how long does it take 
until dirsrv is shutdown?  You should be able to tell by looking at the 
errors log at /var/log/dirsrv/slapd-*/errors

> Thank you,
>
> Ryan Palamara
>
> ZAIS Group, LLC
>
> 2 Bridge Avenue, Suite 322
>
> Red Bank, New Jersey 07701
>
> Phone: (732) 450-7444
>
> Ryan.palamara at zaisgroup.com <mailto:Ryan.palamara at zaisgroup.com>
>
> *From:*Rich Megginson [mailto:rmeggins at redhat.com]
> *Sent:* Friday, July 06, 2012 2:30 PM
> *To:* General discussion list for the 389 Directory server project.
> *Cc:* Ryan Palamara
> *Subject:* Re: [389-users] openldap client HA for multimaster replication
>
> On 07/06/2012 12:27 PM, Ryan Palamara wrote:
>
> I am using a mix of CentOS 5 and 6 servers using openldap for client 
> ldap. I have 2 289 Directory servers that are using multi-master 
> replication.
>
> When dirsrv stops working on the first server listed under URI, 
> authentication picks up seamlessly on the second LDAP server listed.
>
> However if the first server is down completely, it then takes a long 
> time for authentication for go to the second server.
>
> Any suggestions on what can be done with openldap, to allow the 
> seamless failover to the second server when the first one is down 
> completely?
>
>
> Can you explain exactly what you mean by "stops working" and "down 
> completely"?  I'm not sure why that would make a difference.
>
>
> Thank you,
>
> Ryan Palamara
>
> ZAIS Group, LLC
>
> 2 Bridge Avenue, Suite 322
>
> Red Bank, New Jersey 07701
>
> Phone: (732) 450-7444
>
> Ryan.palamara at zaisgroup.com <mailto:Ryan.palamara at zaisgroup.com>
>
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