HBA parameters for connecting to Hitachi VSP
The minimum requirements for configuring the adapters for operation with the Hitachi RAID storage system are
I/O timeout value (TOV)
The disk I/O timeout value (TOV) is 60s for the Hitachi storage system.
Queue depth
The queue depth requirements for the Hitachi storage devices are listed below. We can change the queue depth to optimize the I/O performance of the devices within the specified range.
| Queue depth | Recommended value: VSP Gx00, VSP Fx00, HUS VM, VSP | Required value for USP V/VM |
|---|---|---|
| Queue depth/ LU | 32 per LU | ≤ 32 per LU |
| Queue depth/port | 2048 per port | ≤ 2048 per port |
