Quick Note: Sony, Panasonic Team for 300GB Optical Disc Format
July 29, 2013 8:16 AM
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The duo wants a 300 GB capacity disk by 2015
Sony and Panasonic have announced that they have signed a basic agreement that will see them jointly develop a new standard for professional-use optical discs. The objective of the two companies is to expand their business for long-term digital data storage by developing an optical disc with a capacity of at least 300 GB.
The two companies are directly targeting businesses that need archival storage including motion picture, broadcasting, and cloud service industries.
Optical discs are likely to remain a preferred long-term storage option because the discs are dust- and water-resistant. Another significant benefit of using optical discs is that they allow inter-generational compatibility between different formats -- that means older optical formats can be read on current generation optical drives.
Sony and Panasonic hope to make the 300GB optical disc available by 2015.
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RE: How cute
7/31/2013 12:18:47 AM
Flash is non-volatile in the industry meaning of the term. Remove the power supply and the memory does not change state.
Flash is NOT archival in the industry meaning of the term. The stored data does decay over a period of months to years if not refreshed.
Archival storage is both non-volatile & archival. This means that it is not affected by power loss and retains data without refresh for periods of multiple decades at a minimum.
Currently the preferred archival storage is magnetic tape (9 track being the most popular)
Mag-tape requires a controlled environment storage to prevent media rot (CD, DVD, BD & HVD all share this problem)
A properly managed data warehouse will maintain multiple copies of each piece of stored media and will do error checks and refresh of stored data at intervals based on the experienced decay rate of the stored media. Doing a refresh every 10 years for instance would mean doing a test and copy of approx 0.83% of the stored data per month.
For those who own physical CD, DVD & BD there are image copiers that will create a digital DRM'd disk that retains the publisher's encryption unmodified and can be used to create a new physical 'protected' disk with an ISO burner.
If you are not experienced with this kind of software, you might wish to begin with Slysoft's AnyDVD and related packages. This is an expensive package, but is cheaper than replacing out-of-print disks and is easier than learning to use the free/low cost alternatives (currently there appear to be no free BD solutions, but there are several that are fairly cheap)
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