The storage tag feature enables only certain nodes or disks to be used for storing Longhorn volume data. For example, performance-sensitive data can use only the high-performance disks which can be tagged as , ssd or , or only the high-performance node tagged as baremetal.

This feature supports both disks and nodes.

  1. Click or +New Disk Tag to add new tags.

All the existing scheduled replica on the node or disk won’t be affected by the new tags.

When multiple tags are specified for a volume, the disk and the node (the disk belong to) must have all the specified tags to become usable.

Kubernetes

Use Kubernetes StorageClass setting to specify tags.

For example: