Technology Other News 07 Jan 2019 Dear departed data: ...

Dear departed data: Cloud storage is the way to go

DECCAN CHRONICLE. | ANAND PARTHASARATHY
Published Jan 7, 2019, 12:25 pm IST
Updated Jan 7, 2019, 12:25 pm IST
Create your own personal archive — but don't tie yourself to today's technology.
Hard disks and USB Flash storage is what comes to mind — but be warned, they don't last forever. Today's thinking is: they are good for 10-15 years max. Then what?
 Hard disks and USB Flash storage is what comes to mind — but be warned, they don't last forever. Today's thinking is: they are good for 10-15 years max. Then what?

If you are over 50 and were a desktop computer user in the 1980s, chances are you have a few floppy disks lying around — with photos or documents that you saved, every time you changed your PC. Today, chances are you can no longer open the floppy — and the contents are as good as lost.

Don't make the mistake of your elders: We all have precious memories we want to leave our children — in a form they can enjoy. Free cloud storage is as good as it goes — but capacity is usually limited to 20 GB or so and it is difficult to 'hand over' an email account. Your own physical storage hardware is still a good option, but there are a few caveats:

 

Hard disks and USB Flash storage is what comes to mind — but be warned, they don't last forever. Today's thinking is: they are good for 10-15 years max. Then what?

Millennial Disc

A recent option is the M Disk (M for millennial). It looks like any DVD. It can be read by any DVD drive ( though you need an M Disk drive to write data the first time). The beauty is, the M Disk will last indefinitely: The inventors say, a 1000 years, but even if that is an exaggeration, it is a good choice even if good for 100 years. It uses a form of hard carbon as the recording layer, that will not corrode due to the air around it — and data is written by a high power laser. More importantly, it is not too pricey. You can buy a box of 5M Disks for around Rs 2,000.

Archival PDF

PDF is the de facto standard for storing documents, in a way that cannot be modified — and we tend to store important images and docs using the Adobe Acrobat tool. But here's the hitch: Who knows, 10-20 years from now, what shape Acrobat will take — and whether the version prevalent then, can read a file written to an earlier standard? That is why archivists use a format called PDF/A (for archiving) . This is a subset of the common PDF format, but it contains within it, all the information needed to read it, in effect future proofing the file. Think of it as packing a bottle opener along with that bottle of fizzy, just in case. If you haven't noticed before, look now, there is a 'Save as PDF/A' option in Adobe Acrobat. And there are many third party tools to save all manner of text and image formats as PDF/A files. Start to save for posterity!

—IndiaTechOnline

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