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  8. Improved data reliability combined with Oracle DB DB (Data Base) Data Guard

Improved data reliability combined with Oracle DB - DB (Data Base) Data Guard

ETERNUS disk storage systems check data security using Data Block Guard technology.
While this is very important, it does not cover situations where data corruption occurs in the interfaces between systems. This is because Data Block Guard only verifies data after it has reached the storage device.
That is why Fujitsu also uses another data protection mechanism called "DB (Data Base) Data Guard". This combination of data security measures Oracle Data Base, means ETERNUS disk storage systems are able to deliver very robust data integrity.

As data is written into the disk storage system, the database adds check codes. The disk storage system has knowledge of the logic of these check codes and where the codes are placed enabling it to verify the data using the check codes.
If an ETERNUS disk storage system identifies any data corruption, it will stop further operation and notify the administrator; thereby preventing the use of data known to be corrupt.

Data Guard

Benefit

  • Prevents use of corrupted data and improves data reliability

Product Requirements

Supported Disk Storage Systems ETERNUS DX500 S3/DX600 S3
ETERNUS DX8700 S3/DX8900 S3
ETERNUS DX400/DX400 S2 series,
ETERNUS DX8000 series/DX8700 S2
ETERNUS4000, ETERNUS8000
Supported Servers UNIX Server