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  8. Archiving and disk to disk backup using Nearline disk drives

Archiving and disk to disk backup using Nearline disk drives

The use of data and its frequency of use changes over time. This can be roughly divided into "frequently accessed data" and "infrequently accessed data". Data having a high frequency profile will require to be fetched immediately and should be stored on high-performance storage devices. However, storing infrequently accessed data on high-performance storage devices generates unnecessary cost. To meet the growing demand for cost-effective high-capacity storage, for less frequently accessed data, Fujitsu provides high-capacity, highly-reliability, yet low-cost, Nearline disk drive options in its storage systems.
The combination of Onlline disk drives and Nearline disk drives in the same cabinet enables ETERNUS DX to cost effectively handle the following applications.

Nearline disk drive

Disk to disk backup

Backup volumes are generally used as both temporary storage and high-speed recovery storage following any unexpected storage event. Low-cost, high capacity and reliable Nearline disk drives provide the most appropriate storage space for such activities. ETERNUS DX are highly accessible and cost-effective backup environments through the use of ETERNUS Advanced copy functions. Even more cost effective space use and performance is support by "QuickOPC." This function only copies data changed on update, so minimizing the time required for copying.

Long term storage of reference data

Data, such as e-mail archives, image and sound files, CAD, R & D documents, history and regulatory compliance documents have similar requirements. That is the need to be fetched easily and simply on demand, despite having an infrequent access profile. This data is not only rapidly increasing, but also requires long-term retention. So when it comes to selecting the right storage medium, low-cost and high capacity Nearline disk drives are very appropriate.

Product Requirements

Supported Storages ETERNUS DX60 S5/S4/S3
ETERNUS DX100 S5/S4/S3, DX200 S5/S4/S3
ETERNUS DX500 S5/S4/S3, DX600 S5/S4/S3
ETERNUS DX900 S5
ETERNUS DX8700 S3/S2, DX8900 S4/S3
ETERNUS DX60 S2, DX80 S2, DX90 S2
ETERNUS DX400 S2 series
Supported Servers Mission Critical IA/UNIX/Industry Standard Server
Required Software
(when performing disk to disk backup)
ETERNUS SF AdvancedCopy Manager

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

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