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Longhorn

Check that Longhorn is healthy


The longhorn analyzer runs several checks to detect problems with a longhorn installation.

Paramaters

namespace: (Optional) Namespace where longhorn is installed. Will default to longhorn-system if not set.

Example Analyzer Definition

apiVersion: troubleshoot.sh/v1beta2
kind: SupportBundle
metadata:
  name: longhorn
spec:
  collectors:
    - longhorn: {}
  analyzers:
    - longhorn: {}

Included Analyzers

nodes.longhorn.io

Each nodes.longhorn.io resource in the bundle will be analyzed. Warnings will be generated for problems such as the node not being schedulable.

replicas.longhorn.io

Each replicas.longhorn.io resource in the bundle will be analyzed. Warnings will be generated for problems such as failed replicas or replicas not in the desired state.

engines.longhorn.io

Each engines.longhorn.io resource in the bundle will be analyzed. Warnings will be generated for problems such as the engine not being in the desired state.

Replica checksums

Any difference in the contents of replicas for a single volume will generate a warning. Refer to the longhorn collector docs for information about when replica checksums will be collected for a volume.

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