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Old 08-24-2007, 10:47 PM   #1
lazlow
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Centos 5 DVD+RW problem


Hey Guys

I am trying Centos 5 for my media server. I have seen a couple of strange things. If I leave a DVD+RW in the drive during shutdown it will format the disk before shutdown. Fortunately it was nothing of any importance.

I have also noticed that it will do the same thing with any disk it is having a problem with. I pulled the drive and switched it to my F7 box without any issue. The disks play fine in my stand alone player and on my F7 box but the C5 box eats them. Other DVD+RW disks play fine on the C5 box. It will eat or play ntsc,pal or regular data DVD+RWs. If it ate them all or ate all of a certain format I would understand, but picking and choosing amongst them makes little sense. It does seem to be tied to certain ISOs. Burning the same ISO to another disk does not help, it eats the second disk too. All the media is from the same lot so that should not enter into the problem.

32bit C5 fully updated.

Any ideas?

Thanks
Lazlow
 
Old 08-25-2007, 07:18 PM   #2
lazlow
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Whatever C5 did to these disks, they seem to be unusable now. I keep getting a invalid capacity error. Again these disks were fine until C5 decided to get mad at them.
 
Old 08-27-2007, 02:36 AM   #3
fotoguy
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You might be able to rescue the DvD+RW's by writing zero's to the disc and overwriting the MBR on the disc, try using growisofs:
Code:
growisofs -Z /dev/hdc=/dev/zero
Just change /dev/hdc to whatever your burner is setup as, also this may take quite a while, 20-30 minutes depending on the speed of your burner.
 
Old 08-27-2007, 03:02 AM   #4
lazlow
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Quote:
[herb@localhost ~]$ growisofs -Z /dev/scd0=/dev/zero
:-[ READ DISC INFORMATION failed with SK=3h/ASC=57h/ACQ=00h]: Input/output error

The response is almost immediate.

Thanks for the try.

Lazlow
 
Old 08-29-2007, 04:00 PM   #5
fotoguy
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Quote:
Originally Posted by lazlow View Post
The response is almost immediate.

Thanks for the try.

Lazlow
Maybe the disc might be really dead, this usually helps me out when I get errors on my discs, but a few of mine have had similar errors when the disc is beyond help.
 
  


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