3) Login to Secondary Node (s) and issue command: >> utils system restart 4) Wait for Secondary Node server (s) to come up. These cookies do not store any personal information. This command forces a subscriber to have its data restored from data on the publisher. 0 InitializationStateReplication is in the process of setting This command can be run on all subscribers at the same time but needs to complete on all subscribers prior to being run on the publisher. If the broadcast sync is not updated with a recent date, run the In 6.x and later, because of the fully meshed topology, it is necessary to check replication between every node in the cluster. If the Rhosts files are mismatched along with the host files, Logical connections are established and the tables are matched with the other servers on the cluster. The show network clustercommand checks for authentication of all nodes. This is an important step. Then choose "Database Status Report", and generate a new report. Remove database replication (utils uccx dbreplication teardown) Setup database replication (utils uccx dbreplication setup) Initiate a data repair process for all the databases (utils uccx dbreplication repair all). !" if errors or mismatches are detected on the UCCX platform database replicates. i have follow Manish instructor and do all the step , but still got the same results , if i type the command " show cuc cluster status" on both CUC servers i getting an error of. 1- Share the output of "utils dbreplication runtimestate" command from the CLI of the publisher node. Click on System Reports > Click on Unified CM Database Status > Click on Generate a new report, Once the report is generated > You will be able to see the Replication Status > Please refer to below screenshot. Step 7. flagged as anerror. Error, Intra-cluster communication is broken, as shown in database replicationStep 8. only the Rhosts files are mismatched, run the commands from Sets the "process" value within Informix. For IM and Presence Service , enter the command on the database publisher node if you have more than one node in your deployment. subscriber), utils dbreplication reset (Only on the publisher ). If the RTT is unusally There can be many problems that basically represent the unexpected behavior of CUCM. If after this is done we still were unable to fix the issue we may default back to the procedure on the previous page. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Run the utils dbreplication runtimestate command to check the status again. NOTE: THESE COMMANDS SHOULD BE RUN FROM THE PUBLISHER. In RTMT, Choose CallManager->Service->Database Summary. Ensure that the Unified CM Hosts, Rhosts and Sqlhosts are equivalent on all the nodes. You can also look in the informix log on that box to confirm this. Same as above, but may need to be used in cases where above command fails. As shown in this image, the Unified CM Hosts, the Rhosts and the Sqlhosts are equivalent on all the nodes. server a, Cluster Manager ( utils service restart Cluster Manager), A Cisco DB ( utils service restart A Cisco DB). Last modified October 10, 2018, Your email address will not be published. Good explanation about this command, but I would like to know how many time the CUCM database can save logs, fox example If I can see logs 2 days before or 5 days before , because I had some problems with my cucm database and I need to obtain this logs for checking what happened. Learn more about how Cisco is using Inclusive Language. admin:utils dbreplication runtimestate If theCisco Database Replicator (CDR) list is empty for some nodes, refer to Step 8. Once completed, follow Step 3. I wanted to ensure that we reset the replication connections and do a broadcast of all the tables. Recommended to set to 40 for large clusters (10+ nodes). Also make sure that your user's have the last name field filled in . utils dbreplication stop all (Only on the publisher), utils dbreplication dropadmindb (First on all the subscribers "REPL. Collect the CM If no, contact Cisco TAC. states of the Real Time Monitoring Tool (RTMT) for the replication. Inside each of those files you should see the define end with [64] which means it ended successfully. We now do some other checks to prepare to fix replication. on the network. Command utils service list displays the services and its status in CUCM node. Reset the database replication from scratch, Unified Communications Manager (CallManager). status from all the nodes and ensure they are authenticatedStep 6. In order to verify its progress, use utils dbreplication runtimestate command. Consult the Cisco TAC before proceeding with Step 7 and 8 in 09:32 AM. that the nodes havenetwork connecitivty well under 80 ms. The best command to verify DNS is utils diagnose test. Cisco Bug: CSCue41922 - UCCX runtimestat SYNC COMPLETED 656 tables sync'ed out of 701. If the A Cisco DB service is down, run the utils service start A the proper functioning of the database replication are: The validate_network command checks all aspects of the network This error is caused when one or more nodes in the cluster have a network connectivity problem. shown in this image.1. Proceed to Step 8, if the status does not change. NTP for subscribers is publisher server and must be visible as synchronised. , by replication states seem to be good, as i know these command but purposely i didnt execute them becz the cause here is something else. Ensure that the network connectivity is successful between the If this is above 80 ms then the network is not in compliance the SRND.8: This lets you know if the DB, RPC, and DBMon services are working fine DB = A Cisco DB RPC = A Cisco DB Replicator DbMon = Cisco Database Layer Monitor 9: This shows how many bytes of replication data in queue to be sent to a particular node. New here? If yes, go toStep 8. We verify in the report that all of the hosts files look correct. CUCM Database Replication is an area in which Cisco customers and partners have asked for more in-depth training in being able to properly assess a replication problem and potentially resolve an issue without involving TAC. All of the devices used in this document started with a cleared (default) configuration. Below is a list of some user facing features that can be updated by the subscriber and therefore updated while the publisher is down. The common error messages as seen in the network connectivity tests: 1. This can be used as a helpful tool to see which tables are replicating in the process. For clusters with 5 nodes or less, the default repltimeout configuration of 300s is optimal. Thanks for creating this Patrick. If any node has a state other than 2, continue to troubleshoot. At this point this is when I would first take a step back and make sure all the services are running correctly on our SubscriberB. REPLICATION SETUP, SERVER-NAME IP ADDRESS (msec) RPC? To confirm that replication is setting up in a single batch, run utils dbreplication stop all followed by utils dbreplication reset all from the CUCM publisher, and then verify the sequence of logs using file list activelog cm/trace/dbl/* date detailed from the publisher CLI. We verify in the report that all of the hosts files look correct. Thanks, if I do a manual back up I reserve it for early morning activity. all the nodes. If we have a define for every server following a reset then things are more than likely looking good. If you recieve Cannot send TCP/UDP packets as an error Make sure the IP, OU and DC are correct and that no firewall is blocking the connection. Step 1. The publisher is in Replication State = 3, All subscribers in the cluster are in Replication State = 4. the utils networkconnectivity command on all the nodes to check the This document describes the details in order to verify the current status of Cisco Unified Communications Manager (CUCM) database replication; and the expected outputs for each of the parameters. It is possible to determine where in the process the replication setup is using commands, log files, and the database status report. We now do some other checks to prepare to fix replication. value ), utils dbreplication setrepltimeout ( To set the replication and the publisher. In this case CUCM will broadcast the tables to the servers that defined in under 5 seconds, and will need to do a 2nd (or more) define and broadcast cycle to complete replication setup with all nodes. nd check if the mismatch is cleared. 09:20 AM *Note*: Publisher define not listed here. Cisco Database Replicator (CDR) list of servers is in no way related to Call Detail Records (also known as CDR). The most important components for database replication functionality are validate_network, ntp_reachability,and ntp_stratum. If yes, go to Step 8. https://supportforums.cisco.com/t5/collaboration-voice-and-video/rtmt/ba-p/3102764. In UCCX, the 'utils dbreplication runtimestate' command may show "Errors or Mismatches Were Found!! In other words, a change made on "A" will be sent to "B" by "A". status again. Very detailed. up. That has slowed me down fixing some DB replication issues. flagged as an errorStep 4. This command can be run on each server to verify forward and reverse DNS under the validate network portion of the command (will report failed dns if error). If this fails, contact the Refer to the sequence to reset the database replication for a Cisco Unified Communications Manager (CallManager), View with Adobe Reader on a variety of devices, View in various apps on iPhone, iPad, Android, Sony Reader, or Windows Phone, View on Kindle device or Kindle app on multiple devices. The publisher is in Replication State = 3, SubscriberA is in Replication State =3 and SubscriberB is in Replication State = 4. 08:29 AM Replication in Communications Manager 6.x, 7.x, and 8.x is no longer a hub and spoke topology but is a fully meshed topology as seen in the figure below. This mismatched data is found by issuing a. Ensure that the port number 1515 is allowed on the network. is broken, and provides thetroubleshoot methodology that a TAC This is not an exhaustive list. i have open a TAC case and we have found that there are a. ER: Duplicate entry for server group name g_ciscounity_pub in sqlhosts file. Replication timeout is the time that CUCM publisher waits for the subscriber server defines to complete before it will start a define. Use this command only after the 'utils dbreplication repair' command has been run several times and the 'utils dbreplication status' ouput still shows non-dynamic tables out of sync. Step 8. Additionally, you can run the following command: Step 5. 1: This lets you know the last action performed and the time of the action. Clustering over WAN (CoW) long delays can cause the data sync process to be exponentially longer. In the event the publisher goes down or becomes inaccessible the subscribers will use their local copy of the database. Ensure that: The nodes are in the same Data Center/Site: All the nodes are The publisher establishes a connection to every server in the cluster and the subscribers establish a connection the local database and the publisher only. Love it!!! case of nodes greater than 8. 1: This lets you know the last action performed and the time of the action. If yes, go to Step 8. Example: 12 Servers in Enter " utils dbreplication dropadmindb " and wait for the process to be completed. I have check the system and all networking is fine , the server are fine . Following this command 'utils dbreplication reset all' should be run in order to get correct status information. - Ensure that the appropriate TCP/UDP port numbers are allowed Great document, One thing i would add to the document, is to check the server times are correct and synced (NTP working fine). message, check your network forany retransmissions or block the In the output, ensure that the Cluster Replication State does not contain the old sync information. If the RTT is unusually high, check network performance. show tech network routes. This document discusses the basics needed to effectively troubleshoot and resolve replication issues. A list of hostnames which are trusted to make database connections. the Cisco TAC. whether there is an updateto the User Facing Feature (UFF) that has Once it is generated, download and save the report so that it LDAP Sync Issues. testcommand. (ID) & STATUS QUEUE TABLES LOOP? 11:02 PM, I have deleted one of the subscriber from the CUCM publisher and the database replication showing me as such, how the tables will be sync and how the commonphoneconfigxml tables will move further. If there is an issue After you complete Step 1, choose the Cisco Unified Reporting option from the Navigation drop-down list in the Cisco Unified Communications Manager (CUCM) publisher, as shown in this image. performance, but consumesadditional system resources. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Cisco DB command to startthe service. Always run from the publisher node, used to reset replication connections and do a broadcast of all the tables. tables are matched with the other serverson the cluster. Thus, the only way for a change made on a particular server to get to other servers is for that server to replicate it personally. nodes. TAC engineer on a replication issue case referred me to this link as a helpful education resource. The publisher always syncs the time with the device whose IP is listed as NTP servers; whereas, the subscribers syncs the time with the publisher. NOTE: If the date and time is old, execute a utils dbreplication status to get updated data. Generate a new report that uses the Generate New Report option or click the Generate New Report icon as shown in this image. messages as seen in the networkconnectivity tests: 1. nodes. Processnode table must list all nodes in the cluster. TCP/UDP ports. 03-16-2019 It is important to understand that the database replication is a No replication occurs in this state. Database in CUCM is a fully meshed topology which means that publisher and each subscriber connect logically to every server in the cluster; and all of them have the ability to update the data between them. Required fields are marked *. To verify the database replication, run the utils dbreplication runtimestate command from theCLI of the publisher node, as shown in this image. Find answers to your questions by entering keywords or phrases in the Search bar above. are error/mismatched tables,run the command: https://supportforums.cisco.com/document/65041/how-reset-passwords-cucmhttps://supportforums.cisco.com/document/60721/cucm-operating-system-administrator-password-recovery. There is a possibility of an incorrect activity when an IP address changes or updates to the Hostname on the server. We also have already verified in the link (LINKHERE) that all connectivity is good and DNS is not configured or working correctly. 2. 0.474 Yes (5) Connected 0 match Yes (2) Setup Completedsub03dc 10.x.x.x. This cdr list serv is the command that would be used under root access by Cisco TAC to check the current list of replication connections. They both follow a hub and spoke topology. After you complete Step 4, if there are no issues reported, run With this you should be able to follow and fix replication cases. This enables multithreading and improves replication setup time at the slight cost of processing power. according the command " file view activelog cm/log/informix/ccm.log . If only All rights reserved. This document will explain a little about the output to assist people in their learning and in their troubleshooting efforts. You also have the option to opt-out of these cookies. .tar file using a SFTPserver. IM and interface (touchtone conversation) PIN feature and allows you to update the Applies to: Unified . One thing I would like to know is after nodes complete replication how often do they replicate there after? Each server will maintain its own queue of changes made on the local server to send to other servers in the replication network. the Cisco TAC. If the intra-cluster communication is broken, database (, All nodes in the cluster are in Replication State = 3. Lets begin by documenting the places that you could check to see the replication state. order to avoid any databasereplication issues. Use show network cluster command in order to confirm that nodes are authenticated between each other. LOOP?" This can be run on each node of the cluster by doing utils dbreplication stop. Navigate to System Reports and click Unified CM Database In Saved me hours of extra work. 3. Select Generate a new report. replication issues occur. Cisco Database CLI Output Cisco Database Installation Service Cisco Database Layer Monitor Cisco Database Library Trace Cisco Database Notification Service Cisco Database Replicator Server, Cisco Informix Database Service Event Viewer-Application Log Event Viewer-System LogYou can also take a look in the ccm.log files on the different servers via the CLI:"file search activelog cm/log/informix/ccm.log error""file search activelog cm/log/informix/ccm.log fail". Download Putty if you dont already have it, Launch Putty > Enter the IP Address of Cisco Unified Communication Manager under Hostname or IP Address>, Enter the OS Administrator Username and Password once prompted, Login to Cisco Unified Communication Manager. With clusters larger than 5 nodes, a 300s repltimeout configuration may not be sufficient. Cisco Unified Reporting on Cisco Unified Communication Manager (CUCM). nodes, refer to Step 8. This is an outdated state and is no longer around. Ensure that the appropriate TCP/UDP port numbers are allowed on the network. The report will display 'replication server list' and will show 'cdr list serv'. The utils diagnose test command checks all the components and returns a passed/failed value. Below are these steps. Troubleshooting CUCM Database Replication in Linux Appliance Model, Customers Also Viewed These Support Documents. Database replication commands must be run from the publisher. case of an unsuccessfulconnection, go to Step 8. 7: This is the ping time between the servers. their defined messages. This is likely the best summary of dbreplication I've found yet. DBver& REPL. connectivity to the databases issuccessful, as shown in this Its does a great job of explaining how to troubleshoot issues with DB rep beyond "just restart the servers and hope for 2's". further to troubleshoot. Step 3. Review the Unified CM Database Report any component Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. runtimestate command. The full list of user facing features is located on the following slide. No replication is occurring in this state. Find answers to your questions by entering keywords or phrases in the Search bar above. If no, contact Call Forward All (CFA)Message Waiting Indication (MWI)Privacy Enable/DisableDo Not Disturb Enable/Disable (DND)Extension Mobility Login (EM)Monitor (for future use, currently no updates at the user level)Hunt Group LogoutDevice MobilityCTI CAPF status for end users and application usersCredential hacking and authentication. This state is rarely seen in versions 6.x and 7.x; in versi. 10:20 AM. Server "A" must send it to "C" and all other nodes.
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