# \#cluster **URL:** https://community.icinga.com/tag/cluster/13.md [Latest](https://community.icinga.com/latest.md) · [Categories](https://community.icinga.com/categories.md) · [Tags](https://community.icinga.com/tags.md) --- ## [Own CA for Icinga Cluster/API communication?](https://community.icinga.com/t/own-ca-for-icinga-cluster-api-communication/243)
**Author:** [@dnsmichi](https://community.icinga.com/u/dnsmichi)\ **Replies:** 12\ **Last updated:** [December 16, 2024, 9:50am UTC](https://community.icinga.com/t/own-ca-for-icinga-cluster-api-communication/243 "2024-12-16T09:50:00Z")
Every now and then you may be required to answer the question on “why not use the company’s CA certificates” or “The REST API is not trusted in my browser, fix it”. Here’s some ideas and pros and cons. Please discuss yo… --- ## [Understanding cluster-zone check with 2 Root-(Parent)-Nodes](https://community.icinga.com/t/understanding-cluster-zone-check-with-2-root-parent-nodes/12778)
**Author:** [@mrdsam](https://community.icinga.com/u/mrdsam)\ **Replies:** 4\ **Last updated:** [October 30, 2023, 11:48pm UTC](https://community.icinga.com/t/understanding-cluster-zone-check-with-2-root-parent-nodes/12778 "2023-10-30T23:48:35Z")
Hi, I’m using the cluster-zone command in 2 ways: On the satellites, it checks whether the satellite is connected to the parent-zone (consisting of 2 nodes) → this works perfectly as I expect: If only 1 parent node i… --- ## [Director Background Service in two Server Cluster - Can it cause problems when running twice?](https://community.icinga.com/t/director-background-service-in-two-server-cluster-can-it-cause-problems-when-running-twice/9751)
**Author:** [@ChrissK](https://community.icinga.com/u/ChrissK)\ **Replies:** 1\ **Last updated:** [February 10, 2023, 3:56pm UTC](https://community.icinga.com/t/director-background-service-in-two-server-cluster-can-it-cause-problems-when-running-twice/9751 "2023-02-10T15:56:29Z")
Hi there, I’m building up a Icinga2 / IcingaWeb2 Cluster at the moment. For IcingaWeb2 I got a two server cluster (behind loadbalancer) with shared volumes (/etc/icingaweb2 & /usr/share/icingaweb2/) to ensure same vers… --- ## [Remote Icinga Instance (Satellite) Not Connected to Masters](https://community.icinga.com/t/remote-icinga-instance-satellite-not-connected-to-masters/10211)
**Author:** [@kalaniakahi](https://community.icinga.com/u/kalaniakahi)\ **Replies:** 0\ **Last updated:** [July 19, 2022, 8:14pm UTC](https://community.icinga.com/t/remote-icinga-instance-satellite-not-connected-to-masters/10211 "2022-07-19T20:14:54Z")
Hello Icinga community, At my job our Icinga setup has two masters and two satellites. Lately we have been unable to receive service checks from Satellite 1 because the endpoint is not connected to Master 1 and Master 2… --- ## [Migrate from single master to multiple master does not work](https://community.icinga.com/t/migrate-from-single-master-to-multiple-master-does-not-work/9465)
**Author:** [@rafi01010](https://community.icinga.com/u/rafi01010)\ **Replies:** 2\ **Last updated:** [March 29, 2022, 8:59am UTC](https://community.icinga.com/t/migrate-from-single-master-to-multiple-master-does-not-work/9465 "2022-03-29T08:59:36Z")
Hello Community, I have a distributed monitoring setup with a single master node and about 300 Endpoints and 16k Hosts. now I wanted to extend my setup with another master server for HA. I’m no using the Icinga Directo… --- ## [IC2 API Persistence Question in Cluster Scenario](https://community.icinga.com/t/ic2-api-persistence-question-in-cluster-scenario/8827)
**Author:** [@subgenius](https://community.icinga.com/u/subgenius)\ **Replies:** 2\ **Last updated:** [December 13, 2021, 11:10am UTC](https://community.icinga.com/t/ic2-api-persistence-question-in-cluster-scenario/8827 "2021-12-13T11:10:21Z")
Hi, Can somebody give me a hint on how API persistence works in a cluster scenario (2 x masters)? What I mean is there is a safe way to create objects (ex. Scheduled downtimes) and persistent them during cluster confi… --- ## [Second master in HA intermitently disconnected from (random) child zones](https://community.icinga.com/t/second-master-in-ha-intermitently-disconnected-from-random-child-zones/6213)
**Author:** [@PedroMSantosD](https://community.icinga.com/u/PedroMSantosD)\ **Replies:** 2\ **Last updated:** [February 18, 2021, 10:51am UTC](https://community.icinga.com/t/second-master-in-ha-intermitently-disconnected-from-random-child-zones/6213 "2021-02-18T10:51:50Z")
Hi, I’m trying to setup HA on master zone in my environment. Once I start the “new master node”, I get an error on nearly half of my child zones, that reads: Icinga 2 Cluster Problem: 1 endpoints are not connected. (ic… --- ## [HA installation - documentation clarification](https://community.icinga.com/t/ha-installation-documentation-clarification/6630)
**Author:** [@PedroMSantosD](https://community.icinga.com/u/PedroMSantosD)\ **Replies:** 3\ **Last updated:** [February 5, 2021, 8:25am UTC](https://community.icinga.com/t/ha-installation-documentation-clarification/6630 "2021-02-05T08:25:35Z")
Hi, I need to install a new node in the master zone of my current setup. I have come across a quiestion about the installation document: It is clear that I need to stop my current monitoring master and then reconfigure … --- ## [Clustering issues and apparently random assignment of Recurring Downtimes](https://community.icinga.com/t/clustering-issues-and-apparently-random-assignment-of-recurring-downtimes/2820)
**Author:** [@rsturm](https://community.icinga.com/u/rsturm)\ **Replies:** 25\ **Last updated:** [November 25, 2019, 12:56pm UTC](https://community.icinga.com/t/clustering-issues-and-apparently-random-assignment-of-recurring-downtimes/2820 "2019-11-25T12:56:27Z")
Moin, when I set a recurring downtime for multiple hosts, the downtime objects are only created for a part of them. Downtime Configuration: author = "rsturm" comment = "Test-Wartungsfenster 2" ranges = { mon… --- ## [Debugging downtimes, acks, comments, etc... not propagated to "empty" nodes in master zone](https://community.icinga.com/t/debugging-downtimes-acks-comments-etc-not-propagated-to-empty-nodes-in-master-zone/1772)
**Author:** [@lesinigo](https://community.icinga.com/u/lesinigo)\ **Replies:** 6\ **Last updated:** [July 26, 2019, 12:54pm UTC](https://community.icinga.com/t/debugging-downtimes-acks-comments-etc-not-propagated-to-empty-nodes-in-master-zone/1772 "2019-07-26T12:54:24Z")
We are setting up a three-node Icinga2 HA cluster (all the nodes in master zone, no other satellites). We are using official packages on CentOS7, but we are currently staying at Icinga version 2.7.2 for a number of reaso… --- ## [One satellite two masters](https://community.icinga.com/t/one-satellite-two-masters/1729)
**Author:** [@abd](https://community.icinga.com/u/abd)\ **Replies:** 1\ **Last updated:** [July 18, 2019, 12:13pm UTC](https://community.icinga.com/t/one-satellite-two-masters/1729 "2019-07-18T12:13:03Z")
Hi, I’m trying to install a lab master who should help us do some tests on the latest versions of icinga2. the goal is to use it as a lab for new checks and tests until it stabilizes and becomes the new main run master… --- ## [Icinga Web in distributed environments](https://community.icinga.com/t/icinga-web-in-distributed-environments/160)
**Author:** [@dnsmichi](https://community.icinga.com/u/dnsmichi)\ **Replies:** 3\ **Last updated:** [May 3, 2019, 9:34am UTC](https://community.icinga.com/t/icinga-web-in-distributed-environments/160 "2019-05-03T09:34:28Z")
Icinga Web on a dedicated host Requirements Central database server or cluster with a virtual IP address (VIP) Icinga 2’s IDO feature is writing to the database on the central server Setup Store the Icinga Web databas… --- ## [Icinga2 - API client disconnected](https://community.icinga.com/t/icinga2-api-client-disconnected/992)
**Author:** [@Spoth](https://community.icinga.com/u/Spoth)\ **Replies:** 8\ **Last updated:** [April 24, 2019, 8:23pm UTC](https://community.icinga.com/t/icinga2-api-client-disconnected/992 "2019-04-24T20:23:46Z")
Hi all, I’m trying to find out why Icinga2 endpoints in my installation keep randomly beeing disconnected. I could find some older posts about issues like this, but no real clue how to handle this. \[2019-04-23 09:11:3… --- ## [Icinga Director in distributed environments](https://community.icinga.com/t/icinga-director-in-distributed-environments/162)
**Author:** [@dnsmichi](https://community.icinga.com/u/dnsmichi)\ **Replies:** 0\ **Last updated:** [January 11, 2019, 10:54am UTC](https://community.icinga.com/t/icinga-director-in-distributed-environments/162 "2019-01-11T10:54:55Z")
Please follow Icinga Web in distributed environments first. For deeper deployment questions, please refer to the following resources: https://icinga.com/docs/director/latest/doc/24-Working-with-agents/