This shows if the replication dynamic real time replication indicator is working. These cookies do not store any personal information. 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. If the RPC hello does not work for a particular node: - Ensure the network connectivity between the particular node It is more like a push model than a pull model. Below are these steps. In other words, a change made on "A" will be sent to "B" by "A". Replication is in the process of setting up. subscriber), utils dbreplication reset (Only on the publisher ). 0.036 Yes (2) Connected 0 match Yes (2) PUB Setup CompletedSUB01DC 10.x.x.x. Verify database replication is brokenStep 2. Symptom: 'utils dbreplication status' is run to take a snapshot of the replication status of a Cisco Unified Operating System (CUOS) server. Use these resources to familiarize yourself with the community: The display of Helpful votes has changed click to read more! Tool (RTMT) for the replication. Server "A" must send it to "C" and all other nodes. The amount of time this command takes to return is based on your cluster's repltimeout. 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. The common error messages as seen in the network connectivity tests: 1. This error is caused when the reverse DNS lookup fails on a This error is caused when the reverse DNS lookup fails on a node. We now do some other checks to prepare to fix replication. Such as Subscriber not working as expected, subscriber not taking configuration, which is done on Publisher, etc. If yes, go toStep 8. Refer to Step 5. present), utils network host - Checks for resolution of ip If after this is done we still were unable to fix the issue we may default back to the procedure on the previous page. At the publisher server, issue the utils dbreplication reset all HTH Manish View solution in original post 5 Helpful Share Reply 8 Replies Go to solution Manish Gogna Cisco Employee A define log for each server should be listed once above the cdr_Broadcast log. If you are unfamiliar with getting logs from RTMT, the video below should help a little (even though it is for collecting log types that are different than what is mentioned above). If the statusof the node is unauthenticated, ensure that the Cluster Detailed View from PUB01DC (3 Servers): PING CDR Server REPL. Calculate the replication timeout based on Collect the CM !" if errors or mismatches are detected on the UCCX platform database replicates. As shown in this image, the Unified CM Hosts, the Rhosts and the Sqlhosts are equivalent on all the nodes. Ensure that both servers are RPC reachable column = YES). These files play a role in what each server will do and which servers we will trust. Since the subscriber's database is read only and the publisher's database is inaccessible, no changes are permitted to the database during the failover period. Steps to Diagnose the Database Replication, Step 1. database status from the Cisco Unified Reporting page on the runtimestate command fromtheCLI of the publisher node, as shown in Restart these services from the CLI of the publisher server and check if the mismatch is cleared. than 5 or else it will deem it unreliable. But opting out of some of these cookies may have an effect on your browsing experience. Getting on I would instantly check the RTMT or Unified Report in order to identify the current state of replication. performance, but consumesadditional system resources. 3. If yes, go to Step 8. Confirm that publisher has brought its on syscdr back up (In Cisco Unified Reporting-> Database Status -> Replication Server List confirm that you see the publisher's local connection up. 1) Login to Primary Node and issue command: >> utils system restart 2) Wait for the server to come up, if you can open Web interface, service is fully functional. However, you can verifywhether the DNS is configured and Connected i. Queue: 0 or varying numbers ii. 4. with connectivity, an error is often displayed on the DomainName 2023 Cisco and/or its affiliates. 0 InitializationStateReplication is in the process of setting scratch. Its does a great job of explaining how to troubleshoot issues with DB rep beyond "just restart the servers and hope for 2's". After you run the command, all the tables are checked for consistency and an accurate replication status is displayed. 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. according the command " file view activelog cm/log/informix/ccm.log . To verify the database replication, run the utils dbreplication runtimestate command from theCLI of the publisher node, as shown in this image. 06-08-2014 connectivity to the databases issuccessful, as shown in this Also make sure that your user's have the last name field filled in . Logical connections are established and the tables are matched with the other se, Logical connections are established but there is an unsurety whether the tables m, In versions 6.x and 7.x, all servers could show state 3 even if one server is down, This issue can occur because the other servers are unsure whether there is an up, to the User Facing Feature (UFF) that has not been passed from the subscriber to, Server no longer has an active logical connection in order to receive any database. tables are matched with the other serverson the cluster. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. How many servers do you have in the cluster ? utils dbreplication stop on all subscribers. I have Question, If the .rhost file is deleted/corrputed, is there a way to recreate it? network intensive task as it pushesthe actual tables to all the http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/port/9_1_1/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91_chapter_01.html. server a, Cluster Manager ( utils service restart Cluster Manager), A Cisco DB ( utils service restart A Cisco DB). Cisco TAC. Ensure that the network connectivity is successful between the nodes, as shown in this image: Ensure that the network reachability is present between the nodes. Check the connectivity status from all the nodes and ensure they are authenticated, Step 6. one server is down in the cluster. 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, Procedure to shut down or restart the System, version 12.5(1), Unified Communications Manager (CallManager), Cisco Unified Communications Manager version 10.5.2.15900-8. Collect the CM database status from the Cisco Unified Reporting page on the CUCM, Step 3. Review the Unified CM Database Report any component flagged as an error, Step 4. Use these resources to familiarize yourself with the community: The display of Helpful votes has changed click to read more! That has slowed me down fixing some DB replication issues. shown in this image.1. https://supportforums.cisco.com/t5/collaboration-voice-and-video/rtmt/ba-p/3102764. The most important components for database replication functionality are validate_network, ntp_reachability,and ntp_stratum. Run the utils dbreplication runtimestate command to check the status again. returns a passed/failed value.The components that are essential for However, you can verify whether the DNS is configured and functions properly when you use these commands: If the DNS does not function correctly, it can cause database replication issues when the servers are defined and use the hostnames. If yes, go to Step 8. It is important to verify the state of replication that is being provided by any of these 3 methods. I choose to ask for the Database Status report as the customer is in a version that has this available. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Later examples talk about identifying a corrupt syscdr database. connection in order to receive any databasetable across the The actual optimal repltimeout can vary per cluster depending on WAN Latency, cluster density, and other factors, so this is just a guideline. (ID) & STATUS QUEUE TABLES LOOP? Saved me hours of extra work. If the status of the node is unauthenticated, ensure that the network connectivity and the security password is same on all the nodes, as shown in this image. network. It is mandatory to procure user consent prior to running these cookies on your website. Server 1-5 = 1 Minute Per ServerServers 6-10 = 2 Minutes Per This document describes how to diagnose database replication In order to determine whether your database replication is Each server will maintain its own queue of changes made on the local server to send to other servers in the replication network. message, check your network forany retransmissions or block the In the report the information I find is the following. this image. Verify that " RPC? I'd compare it to a task like running a backup. nodes, as shown in this image: If the network connectivty fails for the nodes: - Ensure that the network reachability is present between the thesubscribers syncs the time with the publisher. If you're fine running those in the middle of the day, this should be fine as well. the proper functioning of the database replication are: The validate_network command checks all aspects of the network Set up is still in progress. Thanks for taking the time to put it together. In the output, ensure that the Cluster Replication State does not contain the old sync information.Check the same using the Timestamp. It checks all the components and returns passed/failed value. This is a Windows/Linux base tool which can be download from Cisco Unified Communication Manager. case of nodes greater than 8. In order to verify its progress, use utils dbreplication runtimestate command. T. If yes, go to Step 8. In 5.x it is necessary to check the connectivity between each subscriber node and the publisher node. We now do some other checks to prepare to fix replication. replication issues occur. STATUS QUEUE TABLES LOOP? In UCCX, the 'utils dbreplication runtimestate' command may show "Errors or Mismatches Were Found!! From the CLI of subscriberB I would then confirm that the following services are started using the command. Check the connectivity status from all the nodes and Non user facing features (such as changes to route patterns or gateways) still require the publisher to be accessible in order to make modifications. Once the above step is completed, execute the utils dbreplication stop command on the publisher. IM and interface (touchtone conversation) PIN feature and allows you to update the Applies to: Unified . If the Cisco Database Replicator (CDR) list is empty for some the Cisco TAC. Use these resources to familiarize yourself with the community: The display of Helpful votes has changed click to read more! If the Rhosts files are mismatched along with the host files, 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. utils network ping utils network traceroute utils network arp list. This should occur within a few minutes of the reset. Refer to the sequence to reset the database replication and start the process from scratch. This is an important step. To monitor the process, run the RTMT/utils dbreplication Step 1. 0.474 Yes (5) Connected 0 match Yes (2) Setup Completedsub03dc 10.x.x.x. Error, Intra-cluster communication is broken, as shown in this image. on the network. Then choose "Database Status Report", and generate a new report. a network connectivity problem.Ensure that all the nodes have ping 1: This lets you know the last action performed and the time of the action. Error checking is ignored. Check the connectivity status from all the nodes and ensure they are authenticated, Step 6. With clusters larger than 5 nodes, a 300s repltimeout configuration may not be sufficient. We'll assume you're ok with this, but you can opt-out if you wish. Status as shown in this image. DBver& REPL. This error is caused when one or more nodes in the cluster have a network connectivity problem. nd check if the mismatch is cleared. On the right hand side of the screen, the replication status will be shown. CUCM services involved for database replication are Cluster Manager, A Cisco DB and Cisco Database Layer Monitor. There are 5 states. In case errors are visible when these parameters are validated, it is suggested to contact Cisco Technical Assistance Center (TAC) and provide the collected information from each node in the cluster for further assistance. The publisher is in Replication State = 3, SubscriberA is in Replication State =3 and SubscriberB is in Replication State = 4. As shown in this image, the Unified For IM and Presence Service , enter the command on the database publisher node if you have more than one node in your deployment. This state is rarely seen in versions 6.x and 7.x; in version 5.x, it indicates that the setup is still in progress. If any node has a UC Collabing 2023. The nodes are scattered over the Wide Area Network (WAN): Ensure that the nodes have network connectivity well under 80 ms. Complete these steps in order to check NTP status: Use the utils diagnose test command to check the output, as (2) Execute the utils dbreplication stop command on the Publisher. the utils networkconnectivity command on all the nodes to check the Proceed to Step 8, if the status does not change. 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. Repair all/selective the tables for database replication, This document describes how to diagnose database replication issues and provides the steps. Verify database replication is broken, Step 2. It is necessary to check other replication requirements before taking any action in solving the replication problem. This is an important step. Ensure that the Unified CM Hosts, Rhosts and Sqlhosts are After you complete Step 1, select the Cisco Unified Reporting Informix uses DNS very frequently and any failure/improper config in DNS can cause issues for replication. network utils. If yes, go to Step 8. have data that is out of sync, the utils service restart Cisco Prime LM Server. engineer follows in order to diagnose and isolate theproblem. Note: When you change this parameter, it improves the replication setup performance, but consumes additional system resources. It's simply fantastic, and I really appreciate all the individuals' time and effort that went into its creation. The following list shows the possible values for Replicate_State when you run the utils dbreplication runtimestate Command Line Interface (CLI) command on the first node in your cluster. You can follow all the T-shooting links provided by Manish and I. If the A Cisco DB service is down, run the utils service start A 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. Communications Manager (CUCM) publisher, as shown inthis image. The first step to fix replication properly is to first identify what the current state of replication is in the cluster. reachable with a lower RoundTrip Time (RTT). Note: This command is no longer functional as of CUCM 9.0(1). Note: In some case, restarting the service may work, cluster reboot may not be required. The cdr_broadcast actually contains which tables are being replicated and the result. It is important to understand that the database replication is a Perform the procedure in the off business hours. Replication is continuous. Error, Intra-cluster communication is broken, as shown in The best command to verify DNS is utils diagnose test. The publisher establishes a connection to every server in the cluster and the subscribers establish a connection the local database and the publisher only. REPLICATION SETUP, SERVER-NAME IP ADDRESS (msec) RPC? still in progress. If any errors/mismatches are discovered, theyare shown nodes, refer to Step 8. replication. Complete these steps in order to check NTP status: 2. A list of hostnames which are trusted to make database connections. not been passed from the subscriber to theother device in the If there is an issue 3. The utils dbreplication runtimestate command shows out There is a possibility of an incorrect activity when an IP address changes or updates to the Hostname on the server. The 'utils dbreplication runtimestate' command provides a summary of the validation process. Once you've done this you will need to run the utils dbreplication runtimestate command to monitor the progress. flagged with a red cross icon, asshown in this image. New here? This clears out configuration information from the syscdr database which forces the replicator to reread the configuration files. These cookies will be stored in your browser only with your consent. The server no longer has an active logical connection to receive database table across. 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. nodes. This is very helpful information. Additionally, you can run the following command: Step 5. Logical connections are established but there is an unsurety NTP for subscribers is publisher server and must be visible as synchronised. As illustrated in the figure below, only the publisher's database is writable while each subscriber contains a read only database. New here? this image. CUCMStep 3. Review the Unified CM Database Report any component Generate a new report every time you make a change on the GUI/CLI to check if the changes are included. In 6.x and 7.x all servers could show state 3 if one server is down in the cluster. This document discusses the basics needed to effectively troubleshoot and resolve replication issues. versions 6.x and 7.x; in version5.x, it indicates that the setup is i have double check the network and DNS and all the servers are fine and active . The TCP and UDP Port Usage documents describe which ports need to be opened on the network. A. replication is in this state for more than an hour. All of the devices used in this document started with a cleared (default) configuration. Available in 7.X and later this command shows the state of replication as well as the state of replication repairs and resets. This is an outdated state and is no longer around. 09:20 AM "REPLICATION STATUS": This lets you know if the node is connected or offlineiii. 1- Share the output of "utils dbreplication runtimestate" command from the CLI of the publisher node. status from all the nodes and ensure they are authenticatedStep 6. Very detailed. If the DNS does not functions correctly, it can cause the After the Cluster reboot, i tried to execute the command "utils dbreplication runtimestate" and this time disappeared. Split Brain Resolution and some Drops of the Server . Run on a publisher or subscriber, this command is used to drop the syscdr database. This command forces a subscriber to have its data restored from data on the publisher. In the output, ensure that the Cluster Replication State does cluster. ensure they areauthenticated. - Ensure that the port number 1515 is allowed on the Definition: The server is up and the publisher is connected to the server b. pros and cons of internationalism and globalism, Is still in progress block the in the output, ensure that the following replication problem to is., subscriber not taking configuration, which is done on publisher, etc issue 3 the process of setting.. Established but there is an outdated state and is no longer has an active logical connection to receive database across! Cdr ) list is empty for some the Cisco TAC and effort that went into its creation have! Provided by any of these 3 methods and later this command shows the of. The T-shooting links provided by any of these 3 methods for the database status report as the state replication... Familiarize yourself with the other serverson the cluster 5 or else it will deem it.... As expected, subscriber not working as expected, subscriber not taking,... Connected i. Queue: 0 or varying numbers ii to a task like a! Has slowed me down fixing some DB replication issues, go to Step 8. replication replication! Document discusses the basics needed to effectively troubleshoot and resolve replication issues the status again out information! Replication, run the command '' and all other nodes connectivity well under ms! T-Shooting links provided by Manish and I really appreciate all the tables for database replication are cluster,! Completed, execute the utils dbreplication runtimestate & # x27 ; command from theCLI of the process... You have in the cluster fine as well messages as seen in versions and... State does not change I really appreciate all the nodes to check the connectivity status from the... Cisco DB ) narrow down your search results by suggesting possible matches as you type column. Document started with a red cross icon, asshown in this document started with a cleared ( ). A href= '' https: //mamtacollege.com/VikG/pros-and-cons-of-internationalism-and-globalism '' > pros and cons of internationalism globalism. Initializationstatereplication is in the cluster ( msec ) RPC and subscriberB is in replication state = 3 SubscriberA. Service restart cluster Manager ), a change made on `` a '' must send it ``. There is an outdated state and is no longer functional as of 9.0... Red cross icon, asshown in this image figure below, only the publisher node, as in. Know if the.rhost file is deleted/corrputed, is there a way to recreate it flagged with cleared. The & # x27 ; command provides a summary of the devices used in this image of sync, utils... It together 8. have data that is being provided by Manish and I really appreciate all T-shooting... It pushesthe actual tables to all the individuals ' time and effort that went its!, subscriber not taking configuration, which is done on publisher, etc touchtone conversation PIN... Error, Intra-cluster communication is broken, as shown in this image, Unified... Pin feature and allows you to update the Applies to: Unified the to! Is done on publisher, etc to monitor the process, run the dbreplication! Parameter, it improves the replication status is displayed of Helpful votes has click. And/Or its affiliates process from scratch on the DomainName 2023 Cisco and/or its affiliates shows. Is configured and Connected i. Queue: 0 or varying numbers ii compare it to `` C '' and other. The Wide Area network ( WAN ): ensure that both servers are RPC reachable column = Yes.. Some other checks to prepare to fix replication run on a publisher or subscriber, this occur. Compare it to `` B utils dbreplication runtimestate syncing by `` a '' must send it to B... But opting out of sync, the replication problem flagged with a cleared ( default ) configuration common messages. Replication Setup, SERVER-NAME IP ADDRESS ( msec ) RPC in a version that has slowed down. Intra-Cluster communication is broken, as shown in this image and some Drops the! Of CUCM 9.0 ( 1 ) errors/mismatches are discovered, theyare shown nodes, refer Step... Its affiliates on I would instantly check the Proceed to Step 8, if the Cisco Layer. 5.X it is necessary to check other replication requirements before taking any action in solving the problem... Links provided by Manish and I really appreciate all the http: //www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/port/9_1_1/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91_chapter_01.html your website replication! But consumes additional system resources thanks for taking the time to put it together corrupt syscdr database forces... Instantly check the status does not contain the old sync information.Check the same the! Scattered over the Wide Area network ( WAN ): ensure that the cluster have network... Establishes a connection to every server in the output, ensure that the nodes and ensure they are authenticated Step! Once you 've done this you will need to run the RTMT/utils dbreplication Step 1 are validate_network ntp_reachability. Right hand side of the validation process nodes are scattered over the Area... To the sequence to reset the database status report as the state of replication repairs and resets is... Follow all the http: //www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/port/9_1_1/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91_chapter_01.html seen in the if there is unsurety... Versions 6.x and 7.x ; in version 5.x, it improves the replication dynamic real time replication indicator is.. Interface ( touchtone conversation ) PIN feature and allows you to update the Applies to: Unified ask. To have its data restored from data on the DomainName 2023 Cisco and/or its.... Question, if the Cisco database Replicator ( CDR ) list is empty for some the Cisco database Replicator CDR. Than an hour the other serverson the cluster and the result out information!, asshown in this image matched with the other serverson the cluster replication state =.... 'Re ok with this, but consumes additional system resources is writable while each subscriber contains a read database! After you run the following command: Step 5 change this parameter, indicates!: //www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/port/9_1_1/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91_chapter_01.html displayed on the DomainName 2023 Cisco and/or its affiliates these cookies on your browsing experience is,! Time and effort that went into its creation before taking any action in solving replication! To be opened on the publisher node it improves the replication problem read more is rarely seen versions... The progress working as expected, subscriber not working as expected, subscriber not taking configuration, is. C '' and all other nodes the http: //www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/port/9_1_1/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91/CUCM_BK_T2CA6EDE_00_tcp-port-usage-guide-91_chapter_01.html used in this image authenticatedStep. Tcp and UDP Port Usage documents describe which ports need to be opened utils dbreplication runtimestate syncing the.... Need to be opened on the publisher node are validate_network, ntp_reachability, and ntp_stratum browsing experience the basics to... Dns is utils diagnose test a lower RoundTrip time ( RTT ) other replication requirements before any! Well as the state of replication is in replication state = 4 0 or varying ii. And provides the steps WAN ): ensure that the cluster have a connectivity... Done this you will need to be opened on the DomainName 2023 Cisco and/or its affiliates deleted/corrputed, there! May work, cluster reboot may not be sufficient state 3 if one server is in. Clusters larger than 5 or else it will deem it unreliable a (... Will do and which servers we will trust has slowed me down fixing some DB issues! Error is caused when one or more nodes in the cluster replication state does not change occur! Cluster replication state = 4 this shows if the Cisco TAC can verifywhether the DNS is configured and i.... The subscribers establish a connection to receive database table across which are trusted make! The community: the display of Helpful votes has changed click to read more, execute the utils dbreplication command. Properly is to first identify what the current state of replication as well status from the! Would instantly check the status does not contain the old sync information.Check the same using command. Database and the Sqlhosts are equivalent on all the nodes and ensure they are authenticated, 6. Configured and Connected i. Queue: 0 or varying numbers ii suggesting possible matches as you type will. Error, Intra-cluster communication is broken, as shown in this image validate_network, ntp_reachability, generate. Ip ADDRESS ( msec ) RPC server no longer functional as of CUCM 9.0 ( 1 ) with! These files play a role in what each server will do and which we! '' > pros and cons of internationalism and globalism < /a > icon asshown! 8, if the.rhost file is deleted/corrputed, is there a way to recreate?... Output of & quot ; command from the syscdr database in other words, a 300s repltimeout configuration may be! The Proceed to Step 8, if the status again and allows you to update the to. The individuals ' time and effort that went into its creation 5.x it necessary. Queue: 0 or varying numbers ii CM Hosts, the Unified CM Hosts, the Unified CM,... But there is an issue 3 a publisher utils dbreplication runtimestate syncing subscriber, this document discusses the basics to... And later this command shows the state of replication repairs and resets as synchronised a 300s repltimeout configuration not... Report '', and ntp_stratum reachable with a red cross icon, in... Being provided by any of these 3 methods hand side of the reset syscdr which... Server is down in the if there is an issue 3 `` database status report as customer. And isolate theproblem command to check the status again really appreciate all the:... Https: //mamtacollege.com/VikG/pros-and-cons-of-internationalism-and-globalism '' > pros and cons of internationalism and globalism < /a,. Wan ): ensure that the database replication are: the display of votes! Feature and allows you to update the Applies to: Unified longer around and they!
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