Joep van Steen
Leading Member
Nothing you said is relevant to this thread.
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Is flash memory unreliable due to exFAT?
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Joep van Steen
Leading Member
However if you need the data then in general it's a bad idea to run any tool that tries to make in-place repairs.
Chris Noble
Veteran Member
You are probably right!
But one of the posters described how he lost data on recordable optical media. Which happens a lot. As unreliable as thumb drives, and just as much to be avoided.
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Sean Nelson
Veteran Member
That article is literally talking about streaming over the internet, where for example the player can detect transmission errors and slowdowns and switch to an alternate, lower resolution stream. That has nothing whatsoever to do with DVDs.
Happily, as long as you stop implying that video's tolerance for lower fidelity has something to do with with DVDs being poor choices for data storage. I agree with you that video can loose data with less impact, and I agree with you that writable disks are less robust than factory pressed disks. None of that has any bearing on whether or not the DVD file system is appropriate for data storage.
(Sorry, folks
)
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David Lal
Veteran Member
Sean & Chris, maybe time to agree to disagree - life is too short to spend time arguing. A chacun son goût I often say.
No, there's a big difference.
With USB flash memory, you have no hope that the data will last longer than several years.
With DVD+R it might, with BluRay it is likely, and with M-Disc there's an excellent chance.
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Sean Nelson
Veteran Member
Agreed, thanks David.
Agreed, with the caveat that flash memory from several to tens of years ago was more robust and could indeed hold data for potentially decades. Some folks use that as an example of why flash media can be trusted, but that's a very dangerous inference to make for modern high density flash memory.
Why?
One person is right, and the other is wrong.
It's fine to be wrong....if you keep it to yourself.
Chris Noble
Veteran Member
Sean, you seem obsessed by the file system, which you refer to multiple times and which I have never made a reference to... It's the media itself that is unreliable. My only comment relative to the file system was "recordable optical disks can't be used to store data files reliably -- and that has nothing to do with the file system."I agree with you that video can loose data with less impact, and I agree with you that writable disks are less robust than factory pressed disks. None of that has any bearing on whether or not the DVD file system is appropriate for data storage.
(Sorry, folks
Same for thumb drives (which started this thread ). Almost all of the ones made today are unreliable, not because of the file system (FAT32, NTFS, exFAT) but because of the media.
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And you seem quite intent of dodging what you wrote:Sean, you seem obsessed by the file system, which you refer to multiple times and which I have never made a reference to... It's the media itself that is unreliable. My only comment relative to the file system was "recordable optical disks can't be used to store data files reliably -- and that has nothing to do with the file system."I agree with you that video can loose data with less impact, and I agree with you that writable disks are less robust than factory pressed disks. None of that has any bearing on whether or not the DVD file system is appropriate for data storage.
(Sorry, folks
"The topic of DVDs for data storage has come up repeatedly. The DVD format was specifically developed for movies, which can handle high error rates because of the benign requirements of our eyesight."
So where is the bit about 'recordable optical disks' here?
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