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DVD-RAM :: Benefits in all modes ?

DVD-R/W, DVD+R/RW, DVD-RAM

DVD-RAM :: Benefits in all modes ?

Postby Jmnhuj on Mon Jul 03, 2006 8:56 am

wherever you read a description of DVD-RAM, it's being
talked about how you can use it like a hard-disk and how
reliable the defect-management is
well fine...besides they always forget to mention that you need
to format them in FAT or UDF, with the udf requiring additional
software....it's understandable how to use it as 'hard-drive'

now i'm still missing a thorough description of the defect-management
which pretty much is the only reason for the RAM's existence compared
to RWs

so let's say i'm burning a DVD-RAM as ISO9660 maybe even as
Multi-Session
will i still get the benefits of the defect-management because it may be hardware built-in?
or does that only count for packet-writing modes?
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Postby dodecahedron on Mon Jul 03, 2006 3:32 pm

what DVD+RW drive has built-in defenct management ?
One Ring to rule them all, One Ring to find them,
One Ring to bring them all and in the darkness bind them
In the land of Mordor, where the Shadows lie
-- JRRT
M.C. Escher - Reptilien
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Postby Jmnhuj on Mon Jul 03, 2006 7:30 pm

i'm not claiming any unseen capabilities...just asking
about burning DVD-RAMs with a PC internal drive being
able to handle those
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Postby Tinle on Tue Jul 04, 2006 9:00 am

"now i'm still missing a thorough description of the defect-management
which pretty much is the only reason for the RAM's existence compared
to RWs


I agree that defect management is a valuable feature of DVD-RAM.

I would put its ability to record to the DVD-RAM just as if it were a hard drive [drag & drop] as its most appealing feature for me.

The combination of its hard drive emulation together with its defect management, along with a reuse cycle life as high as 100,000 times and that's why there is always a DVD-RAM in one of my burners ready to back up that important file-right now.

Windows XP does not require any additional burning software to do this[with FAT 32 formatted DVD-RAM discs].

No Nero InCd with its eccentricities and failure rates.

For reliable data back-up to DVD, IMHO DVD-RAM is much better than DVD-RW.


From: http://www.afterdawn.com/glossary/terms/dvd-ram.cfm


"The most important thing about blank DVD media is reliability. Consumers have to be sure that their data is safe. Experts have agreed that users are less likely to have technical problems if they choose DVD-RAM over other Re-Writeable formats. There is no need for manual data verification via special software, with DVD-RAM, hardware verification of written data is automatic. If you have accidentally damaged your blank disc and you burn data to it, it is automatically compared with the original data. If it can not be verified, the DVD-RAM drive will use a spare area on the disc to write the unreadable data again and run verification again. This offers the ultimate safety of your data."
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Postby Tinle on Tue Jul 04, 2006 9:13 am

"now i'm still missing a thorough description of the defect-management
which pretty much is the only reason for the RAM's existence compared
to RWs"



Here is a link to a white paper on DVD defect management:

http://www.ramprg.org/en/rel/News/Media ... _Paper.pdf
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