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  1.  Home
  2. DOMINO400
  3. December 2003

Re: Consolidating Clusters

Lay off the coffee and you wont be so antsy, a 1 minute interval is short.

Just because the NAB is clustered does not mean it will update any faster 
than  replication. Remember the Cluster is only as fast if it is not  busy 
and how many
Cluster Replication jobs you have running. 

We have a similar setup here and we use only 2 servers in an independent 
cluster called HUB to perform NAB changes. We put this in place
to eliminate Replication Conflicts that were all over the place. We have 
over 10,000 person docs and a thousand groups and lots of users
who were given editor access to the groups to manage them. In addition we 
have people updating person doc info all the time.
I have found that using a primary HUB to perform these changes and 
replication between clusters to be effective in controlling replication 
save conflicts.

We also have found that R6 DOC locking is effective as well.

Cheers,

Sean








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Domino400 Digest, Vol 1, Issue 470






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Today's Topics:

   1. Re: Consolidating Clusters (seanmurphy@xxxxxxxxxxx)
   2. Re: Consolidating Clusters (rob@xxxxxxxxx)


----------------------------------------------------------------------

message: 1
date: Tue, 23 Dec 2003 13:22:20 -0500
from: seanmurphy@xxxxxxxxxxx
subject: Re: Consolidating Clusters

No need to redesign the clusters just to keep the NAB in synch. 
We push/pull NAB changes from one cluster to another using a connection 
doc to only one server in each cluster. Set the replication interval to 1 
minute  if necessary to keep everyone happy.
This will minimize rep save conflicts which will occur if you are 
replicating/clustering the NAB.

Happy Holidays,


 Sean





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   1. Consolidating clusters (rob@xxxxxxxxx)


----------------------------------------------------------------------

message: 1
date: Mon, 22 Dec 2003 15:48:28 -0500
from: rob@xxxxxxxxx
subject: Consolidating clusters

Currently we only put like servers in a cluster.  For example we have 
three clusters:

Cluster            Member
NOTES01CLUSTER     NOTES01
                   NOTES02
LDAPCLUSTER        LDAP01
                   LDAP02
SAMETIMECLUSTER    SAMETIME01
                   SAMETIME02

We do clustering for failover reasons.

The problem I am having is that users are strongly encouraged to change 
their internet passwords in the NAB on NOTES01 only.  However, when they 
then access applications that use this internet password such as Sametime, 


or other web based applications using the LDAP server their password isn't 


synced yet.

Does anyone not think that putting this all into one cluster is a good 
idea?

Cluster            Member
NOTES01CLUSTER     NOTES01
                   NOTES02
                   LDAP01
                   LDAP02
                   SAMETIME01
                   SAMETIME02

We would still control what databases get created on what server, and on 
which servers replica copies are made.

I thought about doing connection documents between them all, specifying 
the replication of only names.nsf, and a short interval of just a few 
minutes.  However, to a user, a few minutes is a lifetime.

Rob Berendt
-- 
"All creatures will make merry... under pain of death."
-Ming the Merciless (Flash Gordon)


------------------------------

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End of Domino400 Digest, Vol 1, Issue 469
*****************************************



------------------------------

message: 2
date: Tue, 23 Dec 2003 13:35:54 -0500
from: rob@xxxxxxxxx
subject: Re: Consolidating Clusters

Might do it that way.  However how would that 'minimize rep save 
conflicts'?  If anything I could see where not using the clustering method 

would increase it.  For example, if I make a change on NOTES01, and get 
antsy because it's not on SAMETIME01 in a very timely fashion, then I 
might be tempted to make the change on SAMETIME01 also - thus a 
replication or save conflict.

Rob Berendt
-- 
"All creatures will make merry... under pain of death."
-Ming the Merciless (Flash Gordon)




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Sent by: domino400-bounces@xxxxxxxxxxxx
12/23/2003 01:22 PM
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Fax to

Subject
Re: Consolidating Clusters






No need to redesign the clusters just to keep the NAB in synch. 
We push/pull NAB changes from one cluster to another using a connection 
doc to only one server in each cluster. Set the replication interval to 1 
minute  if necessary to keep everyone happy.
This will minimize rep save conflicts which will occur if you are 
replicating/clustering the NAB.

Happy Holidays,


 Sean





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Sent by: domino400-bounces@xxxxxxxxxxxx
12/23/2003 01:00 PM
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domino400@xxxxxxxxxxxx


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Subject
Domino400 Digest, Vol 1, Issue 469






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                 domino400@xxxxxxxxxxxx

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or, via email, send a message with subject or body 'help' to
                 domino400-request@xxxxxxxxxxxx

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                 domino400-owner@xxxxxxxxxxxx

When replying, please edit your Subject line so it is more specific
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Today's Topics:

   1. Consolidating clusters (rob@xxxxxxxxx)


----------------------------------------------------------------------

message: 1
date: Mon, 22 Dec 2003 15:48:28 -0500
from: rob@xxxxxxxxx
subject: Consolidating clusters

Currently we only put like servers in a cluster.  For example we have 
three clusters:

Cluster            Member
NOTES01CLUSTER     NOTES01
                   NOTES02
LDAPCLUSTER        LDAP01
                   LDAP02
SAMETIMECLUSTER    SAMETIME01
                   SAMETIME02

We do clustering for failover reasons.

The problem I am having is that users are strongly encouraged to change 
their internet passwords in the NAB on NOTES01 only.  However, when they 
then access applications that use this internet password such as Sametime, 



or other web based applications using the LDAP server their password isn't 



synced yet.

Does anyone not think that putting this all into one cluster is a good 
idea?

Cluster            Member
NOTES01CLUSTER     NOTES01
                   NOTES02
                   LDAP01
                   LDAP02
                   SAMETIME01
                   SAMETIME02

We would still control what databases get created on what server, and on 
which servers replica copies are made.

I thought about doing connection documents between them all, specifying 
the replication of only names.nsf, and a short interval of just a few 
minutes.  However, to a user, a few minutes is a lifetime.

Rob Berendt
-- 
"All creatures will make merry... under pain of death."
-Ming the Merciless (Flash Gordon)


------------------------------

_______________________________________________
This is the Lotus Domino on the iSeries / AS400 (Domino400) digest list
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visit: http://lists.midrange.com/mailman/listinfo/domino400
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at http://archive.midrange.com/domino400.



End of Domino400 Digest, Vol 1, Issue 469
*****************************************

_______________________________________________
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------------------------------

_______________________________________________
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End of Domino400 Digest, Vol 1, Issue 470
*****************************************

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