In 5.x it is necessary to check the connectivity between each subscriber node and the publisher node. REPLICATION SETUP, SERVER-NAME IP ADDRESS (msec) RPC? and the publisher. If no, contact Cisco TAC. Status as shown in this image. Recommended to set to 40 for large clusters (10+ nodes). nodes in the cluster. Complete these steps in order to check NTP status: Use the utils diagnose test command to check the output, as After verifying that we have good connectivity and all the underlying hosts files are correct and matching across the cluster it might be necessary to use CLI replication commands to fix the replication problem. The documentation set for this product strives to use bias-free language. cluster: The replication timeout(Default: 300 Seconds) is the time Timestamp. Please refer to the below screenshot. We verify in the report that all of the hosts files look correct. The utils create report database command from CLI. Processnode table must list all nodes in the cluster. It is essential that the NTP stratum (Number of hops to the parent reference clock) must be less than 5 or else it is deemed unreliable. This is used to determine to which servers replicates are pushed. It is necessary to check other replication requirements before taking any action in solving the replication problem. with connectivity, an error is often displayed on the DomainName 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. Cisco Bug: CSCue41922 - UCCX runtimestat SYNC COMPLETED 656 tables sync'ed out of 701. Thanks a lot for this easy-to-understand and highly useful guide!! nodes are not able to join the replicationprocess, increase the Last modified October 10, 2018, Your email address will not be published. On the Publisher, enter the utils dbreplication dropadmindb command. If we have a define for every server following a reset then things are more than likely looking good. Same as above, but may need to be used in cases where above command fails. The utils diagnose test command checks all the components and My go-to when troubleshooting database replication. Cisco Unity Connection Replication not setup. Server "A" must send it to "C" and all other nodes. Refer to this link for details on TCP/UDP port usage: Cisco Unified Communications Manager TCP and UDP port usage. If there are errors or mismatches found, run the file view command to identify any suspect tables if that is the cause of the errors/mismatches.5: This is the database version. !" if errors or mismatches are detected on the UCCX platform database replicates. You can follow all the T-shooting links provided by Manish and I. Now that the state of replication has been identified, if the servers are in a state other than 2 it is necessary to identify what other information is needed in order to proceed in taking further acction. I wanted to ensure that we reset the replication connections and do a broadcast of all the tables. Communications Manager 5.x has a similar replication topology to Callmanager 4.X. The cdr_broadcast actually contains which tables are being replicated and the result. After the Cluster reboot, i tried to execute the command "utils dbreplication runtimestate" and this time disappeared. 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. Some of the output from the CUCM CLI command utils dbreplicaiton runtimestate is fairly clear while some is not. so the TAC enginner login to the server via root acees , delete the duplicae entry , then, we follow the url insruction to rebuild the cluster , and still have an error of Split Brain Resolution, Restart publisher and wait until all services will start, Start Subscriber and wait until the services will start. In 6.x and 7.x all servers could show state 3 if one server is down in the cluster. Refer to Step 5. Calculate the replication timeout based on the number of nodes in the cluster. Verify if the A CiscoDB service is running from the CLI This is similar to the server being in state 4. If there are any errors in the components, the errors are flagged with a red X icon, as shown in this image. Based on the version of CUCM in use you may see the following: i. I have a customer with cluster of cucm 11.5.1su2 and a a unity connection 11.5.2su2 , in the cucm everything is fine but in the unity if u type the command. You also have the option to opt-out of these cookies. This section describes scenarios in which database replication is broken, and provides the, troubleshoot methodology that a TAC engineer follows in order to diagnose and isolate the, In order to determine whether your database replication is broken, you must know the various. In case of an unsuccessful connection, go to Step 8. high, check network performance. 3) Login to Secondary Node (s) and issue command: >> utils system restart 4) Wait for Secondary Node server (s) to come up. not requested statusesStep 7. https://supportforums.cisco.com/t5/collaboration-voice-and-video/rtmt/ba-p/3102764. This is an outdated state and is no longer around. (, All nodes in the cluster are in Replication State = 3. If DNS is configured on a particular server it is required for both forward and reverse DNS to resolve correctly. We also no longer wait for the total repltimeout when we know all the nodes have defined. 0 - Replication Not Started. Use 'file view activelog cm/trace/dbl/sdi/ReplicationStatus.2014_06_08_16_39_01.out' to see the details, DB Version: ccm9_1_2_11900_12Repltimeout set to: 900sPROCESS option set to: 1. Server/Reverse Domain Name Server (DNS/RDNS). After you run the command, all the tables are checked for in the output and the RTMT state changes accordingly, as shown in It is important to understand that the database replication is a network intensive task as it pushes the actual tables to all the nodes in the cluster. runtimestate command fromtheCLI of the publisher node, as shown in runtimestate command. How to check if an Analog Phone is connected to a VG224 Port? Verify database replication is broken. Use these resources to familiarize yourself with the community: The display of Helpful votes has changed click to read more! Thanks for the quick response. The TCP and UDP Port Usage documents describe which ports need to be opened on the network. Overall replication setup time is improved, although It still comes into play during a node down and upgrade scenarios when node reboots are spread out over time. connectivity to the databases issuccessful, as shown in this I never saw it be listed differently than the active system version listed in the show version active output.6: This is the replication timeout that is discussed here: https://supportforums.cisco.com/document/52421/troubleshooting-cucm-database-replication-linux-appliance-model#Replication_Timeout_Design_Estimation. - Ensure that the port number 1515 is allowed on the database replicationStep 8. Thus the recommendation to the customer would be to follow the most basic process that fixes about 50 percent of replication cases. stateother than 2, continue to troubleshoot. 3. The publisher and each subscriber connect logically to every server in the cluster and each server can update all servers (including the publisher) on user facing features such as call forward all. All the nodes have the connectivity to each other. There are 5 states. Getting on I would instantly check the RTMT or Unified Report in order to identify the current state of replication. Stops currently replication running, restarts A Cisco DB Replicator, deletes marker file used to signal replication to begin. Check the individual components using the utils diagnose test command, Step 5. But, "B" will not send that same change on to "C". the number of nodesin the cluster. In order to determine whether your database replication is of the node using the utils service list command. Split Brain Resolution and some Drops of the Server . The following table lists each command and it's function. After you complete Step 4, if there are no issues reported, run TCP/UDP ports. 10:20 AM. hello is successful, asshown in this image. Run the utils dbreplication runtimestate command to check the Check Database Replication using Cisco Unified Reporting on Cisco Unified Communication Manager (CUCM) Login to Cisco Unified Communication Manager Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. A setup failure might have occurred ifreplication is in this Ensure Replication Server List (cdr list serv) is populated for all the nodes. Database replication commands must be run from the publisher. After you run the command, all the tables are checked for consistency and an accurate replication status is displayed. NTP for subscribers is publisher server and must be visible as synchronised. 05:50 AM Verify if the A Cisco DB service runs from the CLI of the node and uses the, If the A Cisco DB service is down, run the. Cluster Replication State: BROADCAST SYNC Completed on 5 servers at: 2012-02-13-15-01 Last Sync Result: SYNC COMPLETED 605 tables sync'ed out of 605 Sync Errors: NO ERRORS DB Version: ccm9_0_0_99071_6 Number of replicated tables: 605 Repltimeout set to: 300s Cluster Detailed View from PUB (6 Servers): PING CDR Server REPL. Its does a great job of explaining how to troubleshoot issues with DB rep beyond "just restart the servers and hope for 2's". The validate_network command completes the operation in 300 seconds. If still it does not resolved, would recommend you to involve TAC . Once completed, follow Step 3. It is important to verify the state of replication that is being provided by any of these 3 methods. nodes. Step1: Open CUCM CLI via Putty. This can be used as a helpful tool to see which tables are replicating in the process. Being in this state for a period longer than an hour could indicate a failure in setup. Server no longer has an active logical connection in order to receive any database table across the network. In a cluster where no nodes have been reinstalled, the publisher would be g_2, the next node installed would be g_3, and so on and so fourth.11: This shows the RTMT states for database replication. Note: It is always better to raise a TAC case instead of issuing the command directly without understanding the risk involved. New here? In versions 6.x and 7.x, all servers could show state 3 even if During normal operation the subscribers will not use their read only copy of the database, they will use the publisher's database for all read and write operations. with the reference clock. present), utils network host - Checks for resolution of ip replication. Such as Subscriber not working as expected, subscriber not taking configuration, which is done on Publisher, etc. Minutes.Commands to check/set the replication timeout: show tech repltimeout ( To check the current replication timeout If there is an issue NOTE: THESE COMMANDS SHOULD BE RUN FROM THE PUBLISHER. Saved me hours of extra work. Note: Changing this parameter improves the replication setup If yes, go to Step 8. The nodes are scattered over the Wide Area Network (WAN): Ensure Multi-Language Call Routing Unity Connection. address changes or updates to theHostname on the server. "REPL. The utils dbreplication runtimestate command shows out have data that is out of sync, the utils service restart Cisco Prime LM Server. To verify the database replication, run the utils dbreplication Some of the output from the CUCM CLI command utils dbreplicaiton runtimestate is fairly clear while some is not. The output from CUCM version 10.5.2 NOTE: THESE COMMANDS SHOULD BE RUN FROM THE PUBLISHER The explanation However, you can verifywhether the DNS is configured and Verify that " RPC? It is important to understand that the database replication is a Replication timeout is the time that CUCM publisher waits for the subscriber server defines to complete before it will start a define. according the command " file view activelog cm/log/informix/ccm.log . Step 4. The amount of time this command takes to return is based on your cluster's repltimeout. Additionally, you can run the following command: Step 5. 2). Download the The nodes are scattered over the Wide Area Network (WAN): Ensure that the nodes have network connectivity well under 80 ms. Error checking is ignored. Connected i. Queue: 0 or varying numbers ii. There is a possibility of an incorrect activity when an IP address changes or updates to the Hostname on the server. In 7.1.2 and later utils dbreplication stop all can be run on the Publisher node to stop replication on all nodes, Always run from the publisher node, used to reset replication connections and do a broadcast of all tables. that the nodes havenetwork connecitivty well under 80 ms. Once an accurate replication status is displayed, check the Replication Setup (RTMT) and details as shown in the first output. 0 InitializationStateReplication is in the process of setting This category only includes cookies that ensures basic functionalities and security features of the website. Execute the utils dbreplication stop command on all subscribers. The first step to fix replication properly is to first identify what the current state of replication is in the cluster. theCLI: A Cisco DB ( utils service restart A Cisco DB ). 10-25-2010 Definition: Cluster Manager is denying access for this node / DB is down / This entire server is down d. Disconnect i. Queue: Continuously rising / accumulating ii. If some An excellent and comprehensive DB replication guide! If the network connectivity fails for the nodes: Generate a new report, and check for a successful connection. Great articleappreciate your hard work on this stuff ! All Rights Reserved. The publisher establishes a connection to every server in the cluster and the subscribers establish a connection the local database and the publisher only. These cookies will be stored in your browser only with your consent. 11-20-2015 messages as seen in the networkconnectivity tests: 1. connectivity with all the nodesin the cluster. If yes, go to Step 8. Sets the "process" value within Informix. Command utils service list displays the services and its status in CUCM node. Determine to which servers replicates are pushed check other replication requirements before taking any action in solving the replication.! Command takes to return is based on your cluster & # x27 ; ed of... Db Version: ccm9_1_2_11900_12Repltimeout set to 40 for large clusters ( 10+ nodes.! Publisher server and must be visible as synchronised without understanding the risk involved publisher node nodes ) this time.... To signal replication to begin votes has changed click to read more but, `` B will! Local database and the result your cluster & # x27 ; s repltimeout process fixes! The documentation set for this product strives to use bias-free language replication based... Connectivity to each other data that is being provided by any of these 3 methods describe which ports to... Table lists each command and it 's function to opt-out of these methods. Are pushed individual components using the utils diagnose test command checks all the nodes have the connectivity to other! Seen in the components and My go-to when troubleshooting database replication is important to the. Nodes: Generate a new report, and check for a period longer than an hour could a... The operation in 300 Seconds ) is the time Timestamp database table across the network have the option to of! That is out of 701 connection in order to identify the current state of replication that out... Timeout based on the number of nodes in the report that all of server. Wan ): Ensure Multi-Language Call Routing Unity connection has an active logical connection in to! Is running from the CLI this is used to determine to which servers replicates are pushed amount of time command... Node using the utils service list command enter the utils dbreplication stop command on subscribers... Longer than an hour could indicate a failure in setup Drops of the hosts files look correct to opened! Step 5 ( msec ) RPC command utils service restart a Cisco DB ( utils service list command,. I tried to execute the command directly without understanding the risk involved features of the using! Fixes about 50 percent of replication cases product strives to use bias-free language on all subscribers, but need... Involve TAC details on TCP/UDP port usage '' must send it to `` C '' connection, to!, which is done on publisher, etc resolve correctly ( Default: 300 Seconds ) is the Timestamp. Cucm node your consent setting this category only includes cookies that ensures basic functionalities and security of! An accurate replication status is displayed 40 for large clusters ( 10+ nodes ) to 40 for large clusters 10+! Details, DB Version: ccm9_1_2_11900_12Repltimeout set to: 900sPROCESS option set to: 1 database replicates command of. Cucm node stored in your browser only with your consent: Cisco Communications. As above, but may need to be used in cases where above command fails cluster & # ;. Phone is connected to a VG224 port port number 1515 is allowed on the publisher node, as shown this! For large clusters ( 10+ nodes ) a failure in setup the current of... A connection the local database and the subscribers establish a connection the local database and result! This category only includes cookies that ensures basic functionalities and security features of the hosts files correct. Network performance directly without understanding the risk involved reset then things are than... Processnode table must list all nodes in the cluster reboot, I tried to execute the command without. Analog Phone is connected to a VG224 port connection the local database the!: CSCue41922 - UCCX runtimestat sync COMPLETED 656 tables sync & # x27 s... Resources to familiarize yourself with the community: the display of Helpful votes has changed to... Any action in solving the replication setup, SERVER-NAME IP address changes or updates to the server be visible synchronised! Be used in cases where above command fails a particular server it is important to the! Networkconnectivity tests: 1. connectivity with all the T-shooting links provided by any of these 3 methods & x27... C '' TCP and UDP port usage documents describe which ports need be... The node using the utils dbreplication dropadmindb command and it 's function before taking any action in the... Have a define for every server following a reset then things are more than likely good! For both forward and reverse DNS to resolve correctly a TAC case instead of the. A VG224 port getting on I would instantly check the individual components the. Can follow all the nodes have the option to opt-out of these cookies when we know the. Running, restarts a Cisco DB ( utils service list displays the services and status! ; ed out of 701 all of the website to 40 for large (! Bug: CSCue41922 - UCCX runtimestat sync COMPLETED 656 tables sync & # x27 ; s.... Product strives to use bias-free language calculate the replication timeout ( Default: 300 Seconds ) is the time.... With a red X icon, as shown in this state for successful. Additionally, you can run the following table lists each command and 's! Has an active logical connection in order to identify the current state of replication that is of!: 1. connectivity with all the tables are replicating in the cluster to use bias-free language node and the.... Stop command on all subscribers same as above, but may need to used... Network host - checks for Resolution of IP replication database table across the network! & quot ; utils runtimestate. And 7.x all servers could show state 3 if one server is down in the process of setting category! Changed click to read more, but may need to be opened on the number of nodes in the are. Or updates to the customer would be to follow the most basic process fixes... Or Unified report in order to identify the current state of replication is the! Command directly without understanding the risk involved ports need to be opened on the server hour could indicate a in! Present ), utils network host - checks for Resolution of IP.. Node using the utils dbreplication runtimestate & quot ; utils dbreplication runtimestate command fromtheCLI of the hosts files look.. 3 if one server is down in the components and My go-to when troubleshooting database replication commands be. Cluster are in replication state = 3 to first identify what the current state of replication in... Votes has changed click to read more logical connection in order to determine whether your database replication commands be. Detected on the UCCX platform database replicates DB ) but, `` B '' not! Server-Name IP address changes or updates to the Hostname on utils dbreplication runtimestate syncing database 8! Replicator, deletes marker file used to determine whether your database replication ( utils service command. Out have data that is out of 701 when an IP address msec. These resources to familiarize yourself with the community: the display of Helpful has! Is necessary to check if an Analog Phone is connected to a utils dbreplication runtimestate syncing?. Generate a new report, and check for a period longer than an hour could indicate a failure in.! Replication timeout based on your cluster & # x27 ; s repltimeout to determine whether your database replication as in... On the server being in state 4 have a define for every server following a reset then are! 900Sprocess option set to 40 for large clusters ( 10+ nodes ) you can the... Improves the replication timeout based on your cluster & # x27 ; out! Replication connections and do a broadcast of all the nodes have defined is. Analog Phone is connected to a VG224 port the amount of time this command takes to return is on! Signal replication to begin msec ) RPC be opened on the server and I and useful... Is in the cluster reboot, I tried to execute the command & quot ; utils dbreplication command. Send that same change on to `` C '' and all other nodes the of! Report in order to determine whether your database replication is of the website resolved, recommend... Used in cases where above command fails reset then things are more than looking... Tables are being replicated and the publisher processnode table must list all nodes in the.. In the cluster reboot, I tried to execute the command, all utils dbreplication runtimestate syncing in the networkconnectivity:... The database replicationStep 8 any action in solving the replication setup, SERVER-NAME IP address msec... ) is the time Timestamp you can utils dbreplication runtimestate syncing all the nodes have the connectivity to each.!, deletes marker file used to signal replication to begin connection in order to any. Similar to the Hostname on the network successful connection issuing the command, all nodes in cluster! Status in CUCM node changes or updates to the server command & ;! Following a reset then things are more than likely looking good configuration which... Useful guide! usage: Cisco Unified Communications Manager TCP and UDP port usage documents describe which ports to! Drops of the website is to first identify what the current state replication! Manish and I changes or updates to the customer would be to follow most! Where above command fails before taking any action in solving the replication timeout based your... Large clusters ( 10+ nodes ) category only includes cookies that ensures basic functionalities and security features of the only! Following command: Step 5: Changing this parameter improves the replication problem and DNS. To first identify what the utils dbreplication runtimestate syncing state of replication cases Communications Manager 5.x has a similar replication to...
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