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#21
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Mike Richter's Cockamamie Mumbo Jumbo on DVD+RW (format/erase)
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Mike Richter, were you born with "Scam Artist" emblazoned on your face? -------------------------------------- smh wrote: Mike Richter (Slimy ****) crapped: A disc needs to be formatted before it will permit drag-and-drop. A "virgin" DVD+RW needs to be formatted prior to its use even for mastering. There are two formattings: (udf) formatting and (plain) formatting. DVD+RW needs to be (plain) formatted prior to its use. (udf) formatting is built on top of (plain) formatting. When Nero burns a mastering session on a 'virgin' DVD+RW: "Start formatting disc before burning" "Formatting disc was successful" "Start write address at LBA 0" Erasing is erasing and in itself does not format; in fact, it destroys formatting if present. DVD+RW does not support erasing. DVD+RW formatting does not get destroyed. DVD+RW specification does not support erasing. However, this does not prevent software/burner to implement some sort of "erase" functionality. In any event, the (plain) formatting does not get erased. The rationale behind DVD+RW not supporting erasing is that it is not necessary (as overwriting does it). It only unnecessarily takes away one cycle from the overwritability. . Mikey, is there an end to your spreading misinformation?! . Any program which offers to format a disc should be fed one with nothing recorded. Given the way it is done, formatting s/w will either refuse to work on a disc with data or will make those data unreadable - effectively if not actually erasing the disc. Is this Mikey's wise words of the year? |
#22
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nero discspeed - erase vs format
Eric Gisin wrote:
DiscSpeed is a free download from Nero, which includes an erase function. The dialog has both Erase and Format functions. What is the difference? SCSI MMC has ERASE. One of my DVD+RW has a faint arc scratch, which shows up as hard errors at 3GB. Should erase pick this up? The laser has to switch between read (tracking) and writing, and can detect some flaws during the former. I have read that Liteon produces a DVD drive that has Smart Erase - a function that permanently and completely erases ALL data so that no one would ever be able to extract data from the disk. It could be that Nero takes advantage of capabilities like this when it can. |
#23
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nero discspeed - erase vs format
In comp.sys.ibm.pc.hardware.storage Jack Bauer wrote:
Eric Gisin wrote: DiscSpeed is a free download from Nero, which includes an erase function. The dialog has both Erase and Format functions. What is the difference? SCSI MMC has ERASE. One of my DVD+RW has a faint arc scratch, which shows up as hard errors at 3GB. Should erase pick this up? The laser has to switch between read (tracking) and writing, and can detect some flaws during the former. I have read that Liteon produces a DVD drive that has Smart Erase - a function that permanently and completely erases ALL data so that no one would ever be able to extract data from the disk. Better not believe that. The information on how well you can erase optical media is sketchy. Sure, another plain optical drive will not read erased data. But it may or may not be possible to read it with special hardware. Arno |
#24
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nero discspeed - erase vs format
On Aug 15, 3:13*pm, Arno Wagner wrote:
In comp.sys.ibm.pc.hardware.storage Jack Bauer wrote: Eric Gisin wrote: DiscSpeed is a free download from Nero, which includes an erase function. The dialog has both Erase and Format functions. What is the difference? SCSI MMC has ERASE. One of my DVD+RW has a faint arc scratch, which shows up as hard errors at 3GB. Should erase pick this up? The laser has to switch between read (tracking) and writing, and can detect some flaws during the former. I have read that Liteon produces a DVD drive that has Smart Erase - a function that permanently and completely erases ALL data so that no one would ever be able to extract data from the disk. * Better not believe that. The information on how well you can erase optical media is sketchy. Sure, another plain optical drive will not read erased data. But it may or may not be possible to read it with special hardware. Arno You do not actually need special hardware to recover quick erased disks. I have worked on a technique where DVD-RW (and CD-RW) can be recovered using standard hardware. On a DVD+RW the data is normally easily readable with a standard drive even when the DVD is apparently empty. The only secure erase will take time - probably at least 5 mins for a DVD and probably longer. Anything less, don't trust it. Michael www.cnwrecovery.com |
#26
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nero discspeed - erase vs format
Rod Speed wrote in
wrote: On Aug 15, 3:13 pm, Arno Wagner wrote: In comp.sys.ibm.pc.hardware.storage Jack Bauer wrote: Eric Gisin wrote: DiscSpeed is a free download from Nero, which includes an erase function. The dialog has both Erase and Format functions. What is the difference? SCSI MMC has ERASE. One of my DVD+RW has a faint arc scratch, which shows up as hard errors at 3GB. Should erase pick this up? The laser has to switch between read (tracking) and writing, and can detect some flaws during the former. I have read that Liteon produces a DVD drive that has Smart Erase - a function that permanently and completely erases ALL data so that no one would ever be able to extract data from the disk. Better not believe that. The information on how well you can erase optical media is sketchy. Sure, another plain optical drive will not read erased data. But it may or may not be possible to read it with special hardware. Arno You do not actually need special hardware to recover quick erased disks. I have worked on a technique where DVD-RW (and CD-RW) can be recovered using standard hardware. On a DVD+RW the data is normally easily readable with a standard drive even when the DVD is apparently empty. The only secure erase will take time - probably at least 5 mins for a DVD and probably longer. Anything less, don't trust it. Michael www.cnwrecovery.com Careful, you'll have ****nert frothing at the mouth for sure. Is that an open nerv I hear sounding through, Roddy? It wasn't really your best week, was it. |
#27
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nero discspeed - erase vs format
Squeeze wrote:
Rod Speed wrote in wrote: On Aug 15, 3:13 pm, Arno Wagner wrote: In comp.sys.ibm.pc.hardware.storage Jack Bauer wrote: Eric Gisin wrote: DiscSpeed is a free download from Nero, which includes an erase function. The dialog has both Erase and Format functions. What is the difference? SCSI MMC has ERASE. One of my DVD+RW has a faint arc scratch, which shows up as hard errors at 3GB. Should erase pick this up? The laser has to switch between read (tracking) and writing, and can detect some flaws during the former. I have read that Liteon produces a DVD drive that has Smart Erase - a function that permanently and completely erases ALL data so that no one would ever be able to extract data from the disk. Better not believe that. The information on how well you can erase optical media is sketchy. Sure, another plain optical drive will not read erased data. But it may or may not be possible to read it with special hardware. Arno You do not actually need special hardware to recover quick erased disks. I have worked on a technique where DVD-RW (and CD-RW) can be recovered using standard hardware. On a DVD+RW the data is normally easily readable with a standard drive even when the DVD is apparently empty. The only secure erase will take time - probably at least 5 mins for a DVD and probably longer. Anything less, don't trust it. Michael www.cnwrecovery.com Careful, you'll have ****nert frothing at the mouth for sure. Is that an open nerv I hear sounding through, Roddy? Just another of your pathetic little drug crazed hallucinations, ****nert. |
#28
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Mike Richter - The Slimiest Lying Friggin SOB (UDF)
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Mike Richter, were you born with "Scam Artist" emblazoned on your face? -------------------------------------- The Kat (Dumbass) screamed (8/10/08): WHY in the **** are you both.. B) Leaving the BULL**** subjectline intact?? Dumbass! You did not call Brendan dumbass. Acknowledging "Mike Richter - The Slimiest Lying Friggin SOB (UDF)" is not a bull****! =============================== From: Brendan R. Wehrung Date: 8/7/08 Subject: Mike Richter - The Slimiest Lying Friggin SOB (UDF) =============================== |
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