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TomBrooklyn
14th September 2007, 04:23
Recently I've found three backup disks that I've made in the last year or so didn't play all the way through. I'm almost certain they were OK when I made them.

What's going on?

blutach
14th September 2007, 04:56
And how is this a DVDRB problem?

More than likely crummy, cheap media. Change to Verbatim or Taiyo Yuden media and never have another problem.

If you want to try to recover the data on your backup disk, try ISOPuzzle.

Regards

mc2man
14th September 2007, 05:49
With apologies to all including A. Cleveland, M. Gaye, R. Benson
What's going on?
Mother, Mother
my backups they have me crying
Brother ,brother, brother
can I stop anymore from dying
You know we've got to find a way
to share some knowledge here today

clean those disks
and store them right
better disks
you'll be alright

that's what's going on ya
what's going on

TomBrooklyn
14th September 2007, 07:43
A couple of the disks are Verbatim DLs. The undisputed and unanimously acclaimed premier DL disk. I didn't even encode those. But I didn't know where else to post about it. I don't remember what the other disk was at the moment. I keep my disks in a wallet and am careful not to let them get scratched.

setarip_old
14th September 2007, 08:55
Temperature and/or moisture can be the bane of burned media...

BTW, what does this mean?:A couple of the disks are Verbatim DLs. The undisputed and unanimously acclaimed premier DL disk. I didn't even encode those.

blutach
14th September 2007, 09:58
Let's move this to DVD Burning where it belongs.

Regards

laserfan
14th September 2007, 14:50
Could be the media, could be the burner, could be the storage/climate conditions, or all of the above.

The first backup I ever made became completely un-readable within 4 years (a DVD-R SL).

I make backups for a couple reasons:

1. To be able to present the movie as *I* want it presented minus trailers, ads, warnings, etc.

2. To enjoy upconverting to 1080i w/my player which otherwise plays DVDs at 480p

Haven't had one fail recently but when it does I'll just have to make another. For critical DATA backups, I just keep the potential for failure in mind, and always have multiple backups in multiple locations.

CWR03
14th September 2007, 20:01
Change to Verbatim or Taiyo Yuden media and never have another problem.
Burned DVDs will all eventually fail, regardless of quality. The dyes aren't stable and will bleed. There are a lot of factors that determine how long it'll take, such as the media, the speed at which they were burned, DL or not, brand, etc. The two ways that make the biggest difference toward longevity is burn speed and not using DL. A lower burn speed makes for a better definition in the burning, which means it'll take longer for the media to bleed together.

jdobbs
15th September 2007, 03:27
Just as a frame of reference so it's clear -- if a disc works immediately after it is burned, and then fails at some point later... it is 100% a media issue, not the burning or authoring software. What is written is written...

In response to the "...will fail, regardless of quality".... uhh.. true to an extent, but not accurate. The expected shelf life is typically over 50 years (depending upon the dye used).

DaChew
15th September 2007, 11:29
Just as a frame of reference so it's clear -- if a disc works immediately after it is burned, and then fails at some point later... it is 100% a media issue, not the burning or authoring software. What is written is written...

I would have to take exception to that, it's not that simple, from my scans and experience over the past few years and media burned since the plex 8x burner came out, I found that many of my 4x dvd+r blanks burned at 8X in the plex were failing. All media deteriorates, some quickly, some slowly.
RitekG05's can go bad quickly.

A marginal burn with higher errors on the same blank as a slower burn with fewer errors is more likely to fail sooner. Whether from aging or abuse. substitute mostly or primarily for 100% and I would agree or qualify about burning speeds and strategy

ojdidit
18th September 2007, 17:15
Tom

are you putting paper labels on the center of these discs? That can cause replay problems.

CWR03
18th September 2007, 22:23
Tom

are you putting paper labels on the center of these discs? That can cause replay problems.
Definitely, I'd forgotten about this issue. The quickest way to check is to place two disks together, "written" sides touching, and hold them by one edge. The disks should lay flat against each other. If you're using paper labels, the shrinking of the label will cause the disk to warp and pull away from the lenses, causing it to misread, and the evidence will be a gap between the disks when you hold them as I described.