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MQSeries.net Forum Index » IBM MQ Installation/Configuration Support » Failover MQ Server Setup

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srindies
PostPosted: Mon Apr 24, 2006 6:06 am    Post subject: Failover MQ Server Setup Reply with quote

Apprentice

Joined: 06 Jan 2006
Posts: 28
Hi All,

I am trying to setup a fail-over node for MQ Server. This configuration should have 2 MQ Server (MQ Server A and B). Server A will switch to Server B under failure condition. Sample implementation is available in the following link.

http://www-128.ibm.com/developerworks/library/l-halinux2/

I have used NFS mount in Server A to created log files and QManager files in it. I have mounted the same NFS in Server B and configured to point same NFS Directory to load log and QManager data.

I have started QManager successfully in Server A and browse MQ objects in it. Then, I brought down Server A and trying to start Server B. Server B failed to start with lpiRC_LOG_NOT_AVAILABLE. I have checked qm.ini and it points to the right log directory. I am not able to identify the reason for this problem. Can we use NFS to store log and QManager data files?. I am not planning to use shared disk rather than NFS for production.

qm.ini:
Code:

#*******************************************************************#
#* Module Name: qm.ini                                             *#
#* Type       : WebSphere MQ queue manager configuration file      *#
#  Function   : Define the configuration of a single queue manager *#
#*                                                                 *#
#*******************************************************************#
#* Notes      :                                                    *#
#* 1) This file defines the configuration of the queue manager     *#
#*                                                                 *#
#*******************************************************************#
ExitPath:
   ExitsDefaultPath=/var/mqm/exits/
   ExitsDefaultPath64=/var/mqm/exits64/
#*                                                                 *#
#*                                                                 *#
Log:
   LogPrimaryFiles=3
   LogSecondaryFiles=2
   LogFilePages=1024
   LogType=CIRCULAR
   LogBufferPages=0
   LogPath=/mnt/temp/log/ha.queue.manager/log/ha/
   LogWriteIntegrity=TripleWrite
Service:
   Name=AuthorizationService
   EntryPoints=13
ServiceComponent:
   Service=AuthorizationService
   Name=MQSeries.UNIX.auth.service
   Module=/opt/mqm/lib/amqzfu
   ComponentDataSize=0


mqs.ini:
Code:

#* <START_COPYRIGHT>                                                *#
#* Licensed Materials - Property of IBM                             *#
#*                                                                  *#
#* 63H9336                                                          *#
#* (C) Copyright IBM Corporation 1994, 2000                         *#
#*                                                                  *#
#* <END_COPYRIGHT>                                                  *#
#*                                                                  *#
#********************************************************************#
#***********************************************************************#
#* Module Name: mqs.ini                                                *#
#* Type       : WebSphere MQ Machine-wide Configuration File           *#
#* Function   : Define WebSphere MQ resources for an entire machine    *#
#*                                                                     *#
#***********************************************************************#
#* Notes      :                                                        *#
#* 1) This is the installation time default configuration              *#
#*                                                                     *#
#***********************************************************************#
AllQueueManagers:
   #********************************************************************#
   #* The path to the qmgrs directory, below which queue manager data  *#
   #* is stored                                                        *#
   #********************************************************************#
   DefaultPrefix=/var/mqm

ClientExitPath:
   ExitsDefaultPath=/var/mqm/exits

LogDefaults:
   LogPrimaryFiles=3
   LogSecondaryFiles=2
   LogFilePages=1024
   LogType=CIRCULAR
   LogBufferPages=0
   LogDefaultPath=/var/mqm/log
QueueManager:
   Name=ha.queue.manager
   Prefix=/mnt/temp/log/ha.queue.manager/data
   Directory=ha!queue!manager


Thanks & Regards,

Sridhar H
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HubertKleinmanns
PostPosted: Tue Apr 25, 2006 6:38 am    Post subject: Reply with quote

Shaman

Joined: 24 Feb 2004
Posts: 732
Location: Germany
You cannot use NFS, you need shared disks instead.
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Regards
Hubert
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