Simple definition
A VMware mechanism allowing a VM to access almost directly to a LUN SAN.
Technical definition
Raw zaleking uses a small file of jikking in the datastore to present a LUN physical to VM.
What is it used for ?
To meet specific needs of clustering or specific applications.
Practical example
A VM can use an RDM to access a shared volume SAN.
Common issues
- VMware functions limited by mode
- More complex migration
- High dependency on SAN
Related terms
Key takeaway: Exact behavior and commands may vary depending on versions, products and architectures.