Le 02/04/2013 16:18, Ulrich Windl a écrit :
>>>> "[email protected]" <[email protected]> schrieb am 02.04.2013 um
> 16:05 in Nachricht <[email protected]>:
>> Le 20/03/2013 00:51, Andreas Kurz a écrit :
>>> On 2013-03-18 16:53, [email protected] wrote:
>>>> Hello,
>>>>
>>>> I'll try for a week to make a cluster with 2 servers for slapd HA.
>>>> ldap01 is the master slapd server, ldap02 is a replica server. All is ok
>>>> with Debian and /etc/ldap/slapd.conf configuration.
>>>>
>>>> So now I wants if ldap01 fail that ldap02 became master for continue
> to
>>>> add data in ldap database. And if ldap01 failback I wants it became
>>>> slave of ldap02 for resync data.
>>>>
>>>> So I'll try this configuration with pacemaker multi-state with this
>>>> configuration :
>>>>
>>>> # crm configure show
>>>> node ldap01 \
>>>> attributes standby="off"
>>>> node ldap02 \
>>>> attributes standby="off"
>>>> primitive LDAP-SERVER ocf:custom:slapd-ms \
>>>> op monitor interval="30s"
>>>> primitive VIP-1 ocf:heartbeat:IPaddr2 \
>>>> params ip="10.0.2.30" broadcast="10.0.2.255" nic="eth0"
>>>> cidr_netmask="24" iflabel="VIP1" \
>>>> op monitor interval="30s" timeout="20s"
>>>> ms MS-LDAP-SERVER LDAP-SERVER \
>>>> params config="/etc/ldap/slapd.conf" lsb_script="/etc/init.d/slapd" \
>>>> meta clone-max="2" clone-node-max="1" master-max="1"
>>>> master-node-max="1" notify="false" target-role="Master"
>>>> colocation LDAP-WITH-IP inf: VIP-1 MS-LDAP-SERVER
>>>> order LDAP-AFTER-IP inf: VIP-1 MS-LDAP-SERVER
>>>> property $id="cib-bootstrap-options" \
>>>> dc-version="1.1.7-ee0730e13d124c3d58f00016c3376a1de5323cff" \
>>>> cluster-infrastructure="openais" \
>>>> expected-quorum-votes="2" \
>>>> stonith-enabled="false" \
>>>> no-quorum-policy="ignore" \
>>>> last-lrm-refresh="1363619724"
>>>>
>>>> I use a ocf slapd-ms script provided by this article :
>>>>
>>
> http://foaa.de/old-blog/2010/10/intro-to-pacemaker-part-2-advanced-topics/tra
>
>> ckback/index.html#master-slave-primus-inter-pares
>>>>
>>>
>>> "interesting" setup and resource agent .... you should really go with
>>> the well tested slapd resource agent that comes with the resource-agent
>>> package, use slapd as a clone resource and setup slapd to run in
>>> mirror-mode.
>>>
>>> Regards,
>>> Andreas
>>>
>>
>> Hello,
>>
>> thanks for the slapd mirror idea it's works but I hava got one
> problem,
>> when one server stop I can continue to add information in the first one,
>> and when the second server failback It doesn't resync data automaticaly.
>>
>> I have to manualy done that :
>>
>> crn node standby ldap01-server
>> cd /var/lib/ldap
>> rm -rf __db.00* log.* *.bdb
>> crm node online ldap01-server
>
> Hi!
>
> I'm not sure, but I think those files are needed to recover the LDAP database
> after non-graceful termination. I have no experience with a dual-master LDAP
> configuration, but I think the node's clocks have to be in sync for it to work
> well (among other issues).
>
> Regards,
> Ulrich
>
>>
>>
>> Sincerely
>> --
>> ''~``
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>> +------------------.oooO--(_)--Oooo.---------------------+
>> | Guillaume Chéramy - Guidtz |
>> | French open source system administrator |
>> | E-Mail : [email protected] |
>> | Website : http://blog.cheramy.name |
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>
>
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>
Sorry It's my mstake, I forgot to add serverID x in slapd configuration.
Now when my server failback the sync is ok.
I think this is good for me.
Thanks
--
''~``
( o o )
+------------------.oooO--(_)--Oooo.---------------------+
| Guillaume Chéramy - Guidtz |
| French open source system administrator |
| E-Mail : [email protected] |
| Website : http://blog.cheramy.name |
| |
| ( ) |
+---------------------\ (----( )-----------------------+
\_) ) /
(_/
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