is it unusual or has anyone ever seen a box of dvd+rw in effect go bad one after another? like over a few weeks, maybe a few days after each other another disc starts to have problems? I'm up to 5/6 out of a box of 10 and just had another 'go bad' last night. the discs are verbatim MKM/A02. they had all been working fine the past year or two since I got them, the trouble started just recently.
the discs have been reburnt anywhere from 10-20 times each for some up to a couple hundred for others but don't know if the ones w/highest rewrites are the ones failing. I have a trusty old pioneer DVR-111D (fairly up-to-date firmware) I've burnt many thousands of cd/dvd with, cleaned the lens a few months ago. I added a new samsung SH-224BB a few months ago. the pioneer is pata/ide and samsung is sata. nothing I'm aware of on my system has changed recently, I've used the same setup to burn many thousands of discs.
what happens is I burn an mpeg2 on either drive, burn seems to go ok. I put it in my tv's dvd player and it barfs it back out. I pop that disc into one of the drives and get these (I use linux so can monitor this in the system log):
I realize it says "medium error" but I've done a lot of searching and have seen the cause can be software related too so aren't sure atm the discs are bad.klogd: sr 8:0:0:0: [sr1] Unhandled sense code
klogd: sr 8:0:0:0: [sr1]
klogd: Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
klogd: sr 8:0:0:0: [sr1]
klogd: Sense Key : Medium Error [current]
klogd: Info fld=0x20
klogd: sr 8:0:0:0: [sr1]
klogd: Add. Sense: L-EC uncorrectable error
klogd: sr 8:0:0:0: [sr1] CDB:
klogd: Read(10): 28 00 00 00 00 20 00 00 02 00
klogd: end_request: I/O error, dev sr1, sector 128
klogd: Buffer I/O error on device sr1, logical block 16
those msgs keep looping about once every few seconds for up to 5 - 10 minutes during which time the drive is essentially locked up.
then often as not if I wait long enough I can do dvd+rw-mediainfo (linux tool) and get disc type and whatnot. but I can no longer mount it, if I try I just start getting the above messages all over again. a couple times I waited it out for the messages to come to a stop and was able to reburn it/run in dvd player like nothing is wrong.
I've been using both drives for burning/mounting, I'm not sure they have anything do to w/the trouble. so logically this seems to indicate the discs themselves? but I've never had a package where many/all started to fail one after another, has anyone else?
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I gave up on RW discs about a year after they became affordable. They are junk.
Even when I planned to rip the disc to my computer and never touch the DVD again, I'd use +R disc, finalize it, rip it then throw it away. It's 1000% better than missing the recording altogether. -
DVD+RW doesn't last long. DVD-RW was better.
There's no such thing as a "batch" of media, unless you mean 100,000+ discs. That's batch.Want my help? Ask here! (not via PM!)
FAQs: Best Blank Discs • Best TBCs • Best VCRs for capture • Restore VHS
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