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  8. Pre-failure replacement with redundancy - Redundant Copy

Pre-failure replacement with redundancy - Redundant Copy

The Redundant Copy function enables preventive replacement of a disk while ensuring data redundancy. When a disk is diagnosed for preventive replacement, this function creates data using other disks in the same RAID group and writes that data to a hot-spare.
Once the write is complete, the hot-spare takes over its functions and the disk at fault is detached.

Redundant Copy's image

Benefit

  • Provides stable non-stop operation by pre-failure detection, data protection and fault resolution

Product Requirements

Supported Storages Hybrid Storage Systems/
Disk Storage Systems
ETERNUS DX60 S4/S3
ETERNUS DX100 S4/DX200 S4
ETERNUS DX100 S3/DX200 S3
ETERNUS DX500 S3/DX600 S3
ETERNUS DX8700 S3/DX8900 S3
ETERNUS DX60/DX60 S2
ETERNUS DX80/DX80 S2
ETERNUS DX90/DX90 S2
ETERNUS DX400/DX400 S2 series
ETERNUS DX8000 series/DX8700 S2
ETERNUS4000, ETERNUS8000
All-Flash Arrays ETERNUS AF250/AF650
ETERNUS DX200F

*Note: Products/features/support content introduced on this page may be modified without notice.