Applicable versions
Confirmed with:
- K3s
v1.24.8+k3s1
and RKE2v1.24.8+rke2r1
- Longhorn
v1.3.3
- SUSE Linux Enterprise Server 15 SP5
Likely possible with:
- Any Kubernetes distribution running Flannel CNI <
v0.20.2
- Any Longhorn version
- A potential …
The Longhorn Knowledge Base
Troubleshooting: Instance manager pods are restarted every hour
February 25, 2022
v1.0.1 or newer
Each Longhorn volume has one engine and one or more replicas (see more detail about Longhorn architecture at here). When a Longhorn volume is attached, Longhorn launches a process for each engine/replica …
Troubleshooting: Open-iSCSI on RHEL based systems
February 22, 2022
All Longhorn versions.
The iscsi.service
systemd service may add about 2-3 minutes to the boot up
time of a node if the node is restarted with longhorn volumes attached to it.
Longhorn uses open-iscsi to create …
Troubleshooting: Upgrading volume engine is stuck in deadlock
January 3, 2022
This happens when users upgrade Longhorn from version <= v1.1.1 to a newer version.
Upgrading Longhorn system includes 2 steps: first upgrade Longhorn manager to the latest version, then upgrade the Longhorn engine to …
Troubleshooting: Recurring job does not create new jobs after detaching and attaching volume
April 21, 2021
All Longhorn versions.
Recurring job does not create new jobs when the volume is attached after being detached for a long time.
According to Kubernetes CronJob limitations:
For every CronJob, the CronJob Controller …
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