Logical unit options and settings for HP StorageWorks EVA systems
Logical unit (LU) settings are configurable at the LU level.
Table 1 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 | SAN Volume Controller Required 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 |