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Avoiding file corruption.

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#1 Pneuma


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Posted 13 August 2009 - 08:02 PM

Sometimes--and it's usually when I am working with large files--during the extraction process I encounter some type of corruption AFTER I have burned it to a disk and copied it back to the hard drive. What I do is, take a large file (usually compressed) and burn it to disk as a data file for future use so that I don't waste space and so that it is accessible for others. The problem is, when I load the disk and copy it back to my hard drive the file becomes corrupted. My question is as follows:

Why is the file becoming corrupted?
Am I burning it too fast?
Is burning the file a bad idea all tohether?

My other option is to transfer the file directly to my external, then plug it into the other computer and transfer it once again.

I guess what I am asking is both Why the corruption and How to avoid it..

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#2 Romeo29


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Posted 14 August 2009 - 03:35 AM

There may be a lot of things -

- You are burning too fast. Compressed files are very fragile, one byte is lost and whole decompression would have problem. So try to burn at a slow speed.

- Also I have seen this happen if your hard disk has some file system error. File burns okay, but since file was read in a wrong way from hard disk, the burned file is corrupted. So do a chkdsk on your hard disks regularly or before you burn.

- Use WinRAR which has an option of saving recovery data in the compressed files. This increases the size of the file a little, but in case of corruption you have a chance of recovering from these errors.

- Some people also advise to create an ISO image and then burn the ISO image to disk, rather than just burning files straight to the cd/dvd. This reduces data loss problem during burning process (as they say).

Well other remote possibilities I can think of are malfunctioning CD/DVD writer, low quality disks and cabling problems :thumbsup:

#3 hamluis



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Posted 14 August 2009 - 11:55 AM


File Corruption & Its Consequences - http://www.smartcomputing.com/Editorial/ar...3.asp&guid=

Hard Drive Data Corruption - http://users.iafrica.com/c/cq/cquirke/baddata.htm

Memory corruption - Wikipedia, the free encyclopedia - http://en.wikipedia.org/wiki/Memory_corruption

Causes of Data Corruption - http://ezinearticles.com/?Causes-of-Data-C...n&id=817785


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