Logical unit (LU) settings are configurable at the LU level.
HP StorageWorks EVA LU options and required settings describes the options that must be set for each LU that is accessed by other hosts. LUs that are accessed by hosts can be configured differently.
| Option | HP EVA default setting | Required system setting |
|---|---|---|
| Capacity | None | Any |
| Write cache | Write-through or Write-back | Write-back |
| Read cache | On | On |
| Redundancy | Vraid0 | Any |
| Preferred path | No preference | No preference |
| Write protect | Off | Off |