The Longhorn Knowledge Base

TitleCategoriesApplicable VersionsAuthorDate
Troubleshooting: NoExecute taint prevents workloads from terminatingtaint
allEric Weber2024-07-02
Troubleshooting: Orphan ISCSI Session Erroriscsi
All versionsPhan Le2024-06-28
Failure to Attach Volumes After Upgrade to Longhorn v1.5.xvolume attach detachSee Applicable VersionsPhan Le2024-05-31
Kubernetes resource revision frequency expectationsinstruction
See Applicable VersionsEric Weber2024-02-23
SELinux and Longhorninstruction
allEric Weber2023-11-21
Troubleshooting: RWX Volume Fails to Be Attached Caused by `Protocol not supported`RWX volume
Linux kernel
allDerek Su2023-10-27
Troubleshooting: fstrim doesn't work on old kernelfilesystem trim
Linux kernel
>= v1.4.0Phan Le2023-10-06
Troubleshooting: Failed RWX mount due to connection timeoutNFS
RWX volume
allEric Weber2023-09-05
Space consumption guidelineinstruction
all, but some features are introduced in v1.4.0 or v1.5.0Shuo Wu2023-08-25
Troubleshooting: Unexpected expansion leads to degradation or attach failureexpansion
See Applicable VersionsEric Weber2023-07-26
Troubleshooting: Failure to delete orphaned Pod volume directorycsiallRay Chang2023-07-20
Troubleshooting: Volume attachment fails due to SELinux denials in Fedora downstream distributionsiscsi
allEric Weber2023-06-07
Troubleshooting: Volumes Stuck in Attach/Detach Loop When Using Longhorn on OKDiscsiallJack Lin2023-02-09
Troubleshooting: Velero restores Longhorn PersistentVolumeClaim stuck in the Pending state when using the Velero CSI Plugin version before v0.4.0restoreallRay Chang2022-12-15
Analysis: Potential Data/Filesystem Corruptiondata integrityv1.1.x
v1.2.x that are < v1.2.6
v1.3.x that are < v1.3.2
Derek Su
Phan Le
Instruction: How To Migrate Longhorn Chart Installed In Old Rancher UI To The Chart In New Rancher UIinstruction
Phan Le2022-06-23
Troubleshooting: Unable to access an NFS backup targetbackupallJames Lu2022-05-27
Troubleshooting: Pod with `volumeMode: Block` is stuck in terminatingHAallPhan Le2022-04-06
Troubleshooting: Instance manager pods are restarted every hourinstance manager>= v1.0.1Phan Le2022-02-25
Troubleshooting: Open-iSCSI on RHEL based systemsiscsiallKeith Lucas2022-02-22
Troubleshooting: Upgrading volume engine is stuck in deadlocklonghorn upgradeThis happens when users upgrade Longhorn from version <= v1.1.1 to a newer version.Phan Le2022-01-03
Tip: Set Longhorn To Only Use Storage On A Specific Set Of Nodestip
allPhan Le2021-11-15
Troubleshooting: Some old instance manager pods are still running after upgradelonghorn upgrade>= v0.8.0Derek Su2021-11-09
Troubleshooting: Volume cannot be cleaned up after the node of the workload pod is down and recoveredpod cleanupallDerek Su2021-11-08
Troubleshooting: DNS Resolution FaileddnsallJenTing Hsiao2021-10-26
Troubleshooting: Generate pprof runtime profiling datapprof>= v1.1.2Derek Su2021-10-18
Troubleshooting: Pod stuck in creating state when Longhorn volumes filesystem is corrupteddata integrityallChin-Ya Huang
Derek Su
Troubleshooting: None-standard Kubelet directorycsiallChin-Ya Huang2021-06-18
Troubleshooting: Longhorn default settings do not persistsetting< v1.3.0Chin-Ya Huang2021-04-29
Troubleshooting: Recurring job does not create new jobs after detaching and attaching volumerecurring joballChin-Ya Huang2021-04-21
Troubleshooting: Use Traefik 2.x as ingress controllerlonghorn-uiSee Applicable VersionsJenTing Hsiao2021-04-20
Troubleshooting: Create Support Bundle with cURLsupport bundleallChin-Ya Huang2021-04-12
Troubleshooting: Longhorn RWX shared mount ownership is shown as nobody in consumer PodRWX volumev1.1.0Chin-Ya Huang2021-03-31
Troubleshooting: `MountVolume.SetUp failed for volume` due to multipathd on the nodecsi
allClark Hsu2021-03-16
Troubleshooting: Longhorn-UI: Error during WebSocket handshake: Unexpected response code: 200 #2265longhorn-uiExisting Longhorn versions < v1.1.0 upgrade to Longhorn >= v1.1.0.Clark Hsu2021-03-09
Troubleshooting: Longhorn volumes take a long time to finish mountingcsiallPhan Le2021-02-26
Troubleshooting: `volume readonly or I/O error`HAallShuo Wu2021-01-08
Troubleshooting: `volume pvc-xxx not scheduled`scheduling
allSheng Yang2020-10-22

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