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database replication

can any one provide a detailed document of  database replication.

as well as issues u have faced with database replications and solution for that problem.

y because i want know in detailed about database replication

4 REPLIES 4
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VIP Advisor

check one i made earlier:

 

 

http://ciscoshizzle.blogspot.com/2013/10/cucm-database-replication-how-it-works.html

 

from experience i can honestly say, if your DB replication brakes, and rebooting boxes is not fixing it, yoou are on to TAC. DB replication is delicate and hard to troubleshoot.

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Also use “utils diagnose test” to validate the platform basics; both NTP and DNS issues can torpedo DB replication.
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Cisco Employee

hi,

 

although the previous two replies covers almost everything. but you can use cisco reporting tool as one of the navigation option on the CCM and then go to the replication option. you can generate  the report and troubleshoot accordingly.

basic requiremnts are :

1) NTP

2) good communication between the sub and pub

3)rhost and sqlhost files which may corrupt by changing hostname.

 

follow :

 

https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/200396-Steps-to-Troubleshoot-Database-Replicati.html

 

regards.

 

 

 

 

 

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Cisco Employee

You can check this document for a detailed explanation about Database replication on CUCM and troubleshooting as well. 

 

https://community.cisco.com/t5/collaboration-voice-and-video/troubleshooting-cucm-database-replication-in-linux-appliance/ta-p/3111185