Applicable versions
All Longhorn versions.
Symptoms
PersistentVolumeClaim is stuck in the Pending
state when restoring Longhorn with Velero with Velero CSI Plugin version before v0.4.0.
Reason
For Longhorn versions using …
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 …
© 2019-2023 Longhorn Authors | Documentation Distributed under CC-BY-4.0
© 2023 The Linux Foundation. All rights reserved. The Linux Foundation has registered trademarks and uses trademarks. For a list of trademarks of The Linux Foundation, please see our Trademark Usage page.