Migrating from single processor to dual processor Callmanager

Hi Networkers,
had anyone install a Callmanager 4.1 dual processor version of CM4.1-K9-X345D= before in a single CPU in a dual processor capable server before.
Can it work in the first place?
Had anyone successfully migrate it to a dual-processor later on?

I dont think there is any difference in Callmanager software for a dual processor versus single processor server. For 7845 (dual processor) the hardware detection disks may be different from the one for single processor (7825, 7835)
Migrating from one to another is as easy as taking a BARS backup from one server, build the other server to the same version and restore it. (Make sure server name and ip are the same for both servers)
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I dont think there is any difference in Callmanager software for a dual processor versus single processor server. For 7845 (dual processor) the hardware detection disks may be different from the one for single processor (7825, 7835)
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<Moved from SAP PI Forum>
Edited by: Prateek Raj Srivastava on May 13, 2010 12:27 PM

Hello,
Thank you all for your feedback,
Denny Liao, it is very interesting question you implied, we do have a J2EE directory created under the /usr/sap/SID/D30 directory:
/usr/sap/XQ9/D30
mqaapz28:xq9adm 13% ls -ltr
total 36
drwxr-xr-x   7 xq9adm   sapsys        96 Aug 24 2009 igs
drwxr-xr-x   9 xq9adm   sapsys      1024 Aug 24 2009 j2ee
drwxr-xr-x   2 xq9adm   sapsys      1024 Nov 11 2009 sec
drwxr-xr-x   3 xq9adm   sapsys      1024 Nov 24 10:48 log
obviously this app server does not have any (jlaunch/jcontrol process running) therefore it is not running as dual stacked. but interestingly enough I do see logs in the
/usr/sap/XQ9/D30/j2ee/cluster/server0/log directory created at the time of the initial install. and under:
/usr/sap/XQ9/D30/j2ee/cluster
mqaapz28:xq9adm 29% ls -ltr
total 30
drwxr-xr-x   2 xq9adm   sapsys      1024 Aug 24 2009 bootstrap
-rw-rr   1 xq9adm   sapsys        39 Aug 24 2009 version.bin
-rw-rr   1 xq9adm   sapsys      6339 Aug 24 2009 instance.properties.vmprop
-rw-rr   1 xq9adm   sapsys      3676 Aug 26 2009 instance.properties
drwxr-xr-x   7 xq9adm   sapsys      1024 Aug 26 2009 dispatcher
drwxr-xr-x 11 xq9adm   sapsys      1024 Aug 26 2009 server0
as per the note you mentioned above (741289 ) this explains how to recover a lost J2EE parameter setup, I am guessing this can be simply followed and re-enable the app server to run as a dual stack.
also my system information for the J2EE on the CI is:
System XQ9
Find other systems in SLD... Message Server
Host: mcsapxq9j
Port: 3924
Enqueue Server
Host: mcsapxq9j
Port: 3224
Database
Name: XQ9
Host: mcsapxq9dbx
Type: Oracle (Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - 64bit Production With the Partitioning and Data Mining options)
Software Components all components...
Name Version Applied
sap.com/SAP-JEECOR 7.00 SP21 (1000.7.00.21.0.20091214121410) 20100506125119
sap.com/SAP-JEE 7.00 SP21 (1000.7.00.21.0.20091214121301) 20100506124943
Licenses
Installation Number *** not yet assigned ***
System Number *** not yet assigned ***
Software Product Days Until Expiry
Download system configuration
Instance mqacsz27_XQ9_30 All processes running
Host: mqacsz27
OS: SunOS (sparcv9) 5.10
dispatcher Running
VM system properties...
PID: 21384
Name: Java HotSpot(TM) 64-Bit Server VM
Vendor: Sun Microsystems Inc.
Version: 1.4.2_21-b03
VM Parameters
Cluster
Node ID: 301932700
Kernel Version: 7.00 PatchLevel 76340.450
HTTP Port: 53000
HTTPS Port: 53001
P4 Port: 53004
Telnet Port: 53008
Info for crashes of this node
server0 Running
VM system properties...
PID: 21394
Name: Java HotSpot(TM) 64-Bit Server VM
Vendor: Sun Microsystems Inc.
Version: 1.4.2_21-b03
VM Parameters
Cluster
Node ID: 301932750
Kernel Version: 7.00 PatchLevel 76340.450
Info for crashes of this node
SDM Running
VM
PID: 21400
SDM Port: 53018
So: besides setting up the parameters in the above Note and consider the Load balancing, as there any other major setups required to start this app server as a dual stacked instance?
Thanks in advance.
SAM
Edited by: SAM_ONE on May 14, 2010 3:45 AM
Edited by: SAM_ONE on May 14, 2010 3:55 AM

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Migrating from single processor to dual processor Callmanager

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