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Disaster Recovery.

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Aarti

Posted: Thu Nov 07, 2002 12:10 pm Post subject: Disaster Recovery.

Newbie

Joined: 07 Nov 2002
Posts: 2
Location: Dallas

Hi all,

We have two MQ series servers in a cluster. QM1 and QM2 is full repository queue manager on each MQ server. We have queue manager QM3 and QM4 in a cluster on each MQ server. QM3 and QM4 each have a shared Queue Q1.

Now say if there is a disk failure on MQ server 1 having QM1 and QM3 and only way is to format the drive install OS and MQ series server. IS there any way we can add this MQ server back into the cluster with same queue managers and Queue with original configuration.

Any suggestion is highly appreciated.

Thanks in advance.

Aarti.

blowbeat

Posted: Fri Nov 08, 2002 12:28 am Post subject:

Apprentice

Joined: 02 Apr 2002
Posts: 49

I think you'll have a problem because a Qmgr joining a cluster is identified not only by name. It has an identifier that includes a date/timestamp of its creation date.

For example MQD3.B7B42AC159ED61C1 (on OS/390).

If you recreate the qngr and it will (re-)join the cluster, I think it will be seen as a completely new one.

There will probably remain information on the 'old' qmgr in the repositories and I'm not sure how that will be handled.

Cheers, Jan.

mfeenstra

Posted: Tue Nov 12, 2002 12:27 pm Post subject:

Novice

Joined: 03 Jul 2002
Posts: 12

Aarti,

I would issue the following command on the remaining repository manager:

reset cluster(CLUSTER) QMID(QMID_FOR_QM1) ACTION(FORCEREMOVE)

That should purge all old records for the destroyed repo server. When you re-introduce the repo server, all the data should be repopulated.
_________________
Matt Feenstra
IBM Certified Specialist - MQSeries

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