Ensuring long-term reliability of the data storage on optical disc

Ken Chen; Longfa Pan; Bin Xu; Wei Liu

doi:10.1117/12.822497

19 March 2009 Ensuring long-term reliability of the data storage on optical disc

Ken Chen, Longfa Pan, Bin Xu, Wei Liu

Proceedings Volume 7125, Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage; 71251Y (2009) https://doi.org/10.1117/12.822497
Event: Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage, 2008, Wuhan, China

Abstract

"Quality requirements and handling regulation of archival optical disc for electronic records filing" is released by The State Archives Administration of the People's Republic of China (SAAC) on its network in March 2007. This document established a complete operative managing process for optical disc data storage in archives departments. The quality requirements of the optical disc used in archives departments are stipulated. Quality check of the recorded disc before filing is considered to be necessary and the threshold of the parameter of the qualified filing disc is set down. The handling regulations for the staffs in the archives departments are described. Recommended environment conditions of the disc preservation, recording, accessing and testing are presented. The block error rate of the disc is selected as main monitoring parameter of the lifetime of the filing disc and three classes pre-alarm lines are created for marking of different quality check intervals. The strategy of monitoring the variation of the error rate curve of the filing discs and moving the data to a new disc or a new media when the error rate of the disc reaches the third class pre-alarm line will effectively guarantee the data migration before permanent loss. Only when every step of the procedure is strictly implemented, it is believed that long-term reliability of the data storage on optical disc for archives departments can be effectively ensured.

Citation Download Citation

Ken Chen, Longfa Pan, Bin Xu, and Wei Liu "Ensuring long-term reliability of the data storage on optical disc", Proc. SPIE 7125, Eighth International Symposium on Optical Storage and 2008 International Workshop on Information Data Storage, 71251Y (19 March 2009); https://doi.org/10.1117/12.822497

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KEYWORDS

Optical discs

Data storage

Reliability

Manufacturing

Digital recording

Digital video discs

Humidity

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