1.1 Operating Environment

The Optimization Function can be used in the following environments.

Object	Environment
Platform	Platforms on which the ETERNUS SF Manager can be operated
Required software	ETERNUS SF Storage Cruiser
Required licenses (Software)	ETERNUS SF Storage Cruiser Standard Edition
Optional licenses (Software)	ETERNUS SF Storage Cruiser Optimization Option (when utilizing Automated Storage Tiering) ETERNUS SF Storage Cruiser Quality of Service Management Option (when utilizing Automated QoS function)
Storage devices (*3) (hereinafter referred to as "storage devices")	ETERNUS DX S6/S5/S4/S3 series (excluding the ETERNUS DX60 S5/S4/S3) (1, 6, 7) ETERNUS DX S2 series (excluding the ETERNUS DX60 S2) (1, 4, 5) ETERNUS AF All-Flash Arrays (6, 7)
Form of connection with business servers	There are no conditions.
Target volume (*2)	FTV (Flexible Tier Volume)

*1: The following firmwares are necessary to use Automated Storage Tiering. In addition, Automated Storage Tiering of the storage device should be enabled.

Storage Device	Compatible Firmware Version
ETERNUS DX S6/S5/S4/S3 series (excluding the ETERNUS DX60 S5/S4/S3) ETERNUS AF All-Flash Arrays	Versions supported by the product (Refer to "Supported Devices" in the Installation and Setup Guide for details.)
ETERNUS DX S2 series (excluding the ETERNUS DX60 S2)	V10L54 or later

*2: Open volumes and TPV are not supported.

*3: The following disk types can be used for Tier pool.

Disk Type	Conditions for Use
SAS SSD	None.
SED-SAS	None.
SSD SED	None.
NVMe SSD	None.
NVMe SSD SED	None.
Online SAS	None.
Online SED	None.
Nearline SAS	None.
Nearline SED	None.

*4: Thin Provisioning license is required for the device.

*5: The Automated QoS function is not supported.

*6: Thin Provisioning function of the storage device should be enabled.

*7: For storage devices whose QoS priority mode is enabled, operations that use the Automated QoS function cannot be performed.