# DRBD Reactor **URL:** https://forums.linbit.com/c/drbd-reactor/8.md [Latest](https://forums.linbit.com/latest.md) · [Categories](https://forums.linbit.com/categories.md) · [Tags](https://forums.linbit.com/tags.md) --- ## [About the DRBD Reactor category](https://forums.linbit.com/t/about-the-drbd-reactor-category/19)
**Author:** [@michael](https://forums.linbit.com/u/michael)\ **Replies:** 0
DRBD Reactor is a daemon consisting of a core that handles DRBD events processing, and plugins that can react on changes in a DRBD resource. A popular use for DRBD Reactor is as an alternative cluster resource manager (C… --- ## [Former primary node stuck in emergency mode after reboot](https://forums.linbit.com/t/former-primary-node-stuck-in-emergency-mode-after-reboot/1106)
**Author:** [@pawalan](https://forums.linbit.com/u/pawalan)\ **Replies:** 6\ **Last updated:** [December 17, 2025, 11:33pm UTC](https://forums.linbit.com/t/former-primary-node-stuck-in-emergency-mode-after-reboot/1106 "2025-12-17T23:33:54Z")
Hey Linstor community, my first post after setting up my first Linstor cluster - please bear with me… :slight\_smile: Setting My cluster consists of 3 nodes (each one a Debian 12 VM in Incus) and everything works fine … --- ## [How to add a TieBreaker node](https://forums.linbit.com/t/how-to-add-a-tiebreaker-node/947)
**Author:** [@pikulinka](https://forums.linbit.com/u/pikulinka)\ **Replies:** 18\ **Last updated:** [July 30, 2025, 7:33pm UTC](https://forums.linbit.com/t/how-to-add-a-tiebreaker-node/947 "2025-07-30T19:33:34Z")
I want to create a cluster of two nodes in which I want to organize HA for the linstor controller (all from the official instructions). I want to use the third node purely to form a quorum, but this node will be located … --- ## [Optimize NFS Client "reconnect" with DRBD reactor HA setup?](https://forums.linbit.com/t/optimize-nfs-client-reconnect-with-drbd-reactor-ha-setup/766)
**Author:** [@Yathus](https://forums.linbit.com/u/Yathus)\ **Replies:** 0\ **Last updated:** [April 29, 2025, 4:56am UTC](https://forums.linbit.com/t/optimize-nfs-client-reconnect-with-drbd-reactor-ha-setup/766 "2025-04-29T04:56:18Z")
Hello, I have a two nodes DRBD with reactor (and one arbiter) based on Ubuntu 24, i followed guide NFS High Availability on RHEL 9 with DRBD Reactor: A How-To Technical Guide - LINBIT My clients are Proxmox Host with d… --- ## [VIP not working](https://forums.linbit.com/t/vip-not-working/757)
**Author:** [@Hiu](https://forums.linbit.com/u/Hiu)\ **Replies:** 8\ **Last updated:** [April 24, 2025, 1:53pm UTC](https://forums.linbit.com/t/vip-not-working/757 "2025-04-24T13:53:55Z")
I would be thankful for your help. I rebuilt my 3-node Proxmox cluster with Linstor GUI and followed the instructions in the blog. This time I installed the controller as HA on all three nodes according to the instructi… --- ## [Reactor on Ubuntu 24](https://forums.linbit.com/t/reactor-on-ubuntu-24/738)
**Author:** [@Yathus](https://forums.linbit.com/u/Yathus)\ **Replies:** 2\ **Last updated:** [April 14, 2025, 11:31pm UTC](https://forums.linbit.com/t/reactor-on-ubuntu-24/738 "2025-04-14T23:31:48Z")
Hello, I try to use reactor on Ubuntu 24.04 after a successful test with Ubuntu 22.04 My test consist to create 2 nodes + arbitrer (diskelss) and a NFS Server in HA Mode. I used NFS High Availability Clustering Using… --- ## [Drbd-reactor and virtual ip](https://forums.linbit.com/t/drbd-reactor-and-virtual-ip/678)
**Author:** [@youzersef](https://forums.linbit.com/u/youzersef)\ **Replies:** 8\ **Last updated:** [March 25, 2025, 4:02pm UTC](https://forums.linbit.com/t/drbd-reactor-and-virtual-ip/678 "2025-03-25T16:02:41Z")
Hello everybody, am trying to setup a proxmox cluster with drbd. I am using drbd-reactor on the productive nodes to have the controller as HA. In my /etc/pve/storage.cfg file drbd: drbd\_storage content rootdir,… --- ## [Error: unknown systemd FreezerState](https://forums.linbit.com/t/error-unknown-systemd-freezerstate/546)
**Author:** [@ggq](https://forums.linbit.com/u/ggq)\ **Replies:** 19\ **Last updated:** [February 11, 2025, 3:28am UTC](https://forums.linbit.com/t/error-unknown-systemd-freezerstate/546 "2025-02-11T03:28:24Z")
Running drbd-reactorctl status get err message when use ha linstor Follow the documentation https://linbit.com/drbd-user-guide/linstor-guide-1\_0-cn/#s-linstor\_ha --- ## [DRBD-Reactor warning](https://forums.linbit.com/t/drbd-reactor-warning/423)
**Author:** [@danielu](https://forums.linbit.com/u/danielu)\ **Replies:** 3\ **Last updated:** [November 14, 2024, 8:13am UTC](https://forums.linbit.com/t/drbd-reactor-warning/423 "2024-11-14T08:13:01Z")
After installing and configuring DRBD-Reactor, the guide (https://linbit.com/drbd-user-guide/linstor-guide-1\_0-en/#s-linstor\_ha) says: …After that restart drbd-reactor and enable it on all the nodes you configured it s… --- ## [Editing DRBD Reactor Promoter Plugin Configurations on Running Systems](https://forums.linbit.com/t/editing-drbd-reactor-promoter-plugin-configurations-on-running-systems/161)
**Author:** [@michael](https://forums.linbit.com/u/michael)\ **Replies:** 0\ **Last updated:** [July 8, 2024, 3:43pm UTC](https://forums.linbit.com/t/editing-drbd-reactor-promoter-plugin-configurations-on-running-systems/161 "2024-07-08T15:43:05Z")
If you need to edit a DRBD Reactor promoter plugin configuration that currently manages high availability services in your cluster, this knowledge base article guides you through the process. You can also adapt the work… --- ## [Troubleshooting DRBD Reactor Promoter Plugin Resources](https://forums.linbit.com/t/troubleshooting-drbd-reactor-promoter-plugin-resources/40)
**Author:** [@michael](https://forums.linbit.com/u/michael)\ **Replies:** 0\ **Last updated:** [March 26, 2024, 1:17pm UTC](https://forums.linbit.com/t/troubleshooting-drbd-reactor-promoter-plugin-resources/40 "2024-03-26T13:17:18Z")
Just published an article to the LINBIT knowledge base: Troubleshooting DRBD Reactor Promoter Plugin Services. If you have a promoter plugin resource that is not coming up, the article walks you through some steps that …