The prior work necessary for using this function is explained below.
When Performing Data Protection Operation
No prior work is required.
When Performing Standby Operation
In the case where the device for REC is used as a device in the standby side, introduction of NAS management is necessary as in the device in the operation side. For the prior setting and introduction procedures for NAS operation, refer to "NAS Management" in the Storage Cruiser Operation Guide or Express Operation Guide.
Note
The devices in the operation and standby sides must be in one-to-one relation. Use of one device in the standby side for multiple devices in the operation side is not possible.
If the operation side device and the standby side device are any of the following, the firmware version of both devices must be the same.
ETERNUS DX100 S4/S3
ETERNUS DX200 S4/S3
ETERNUS DX500 S4/S3
ETERNUS DX600 S4/S3
For the operation side device and the standby side device, if either or both are an ETERNUS DX S5 series (excluding the ETERNUS DX60 S5), refer to "Backup" in "NAS Functions" in the ETERNUS DX S5 series Hybrid Storage Systems Design Guide and confirm the notes and cautions.
