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On 12/14/18 3:31 AM, Joerg Schilling wrote: |
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> Steve Dibb <beandog@g.o> wrote: |
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> |
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>> On 12/3/18 9:27 AM, Pouru Lasse wrote: |
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>>> I've got a bunch of scratched disc-based games (PS2, Xbox 360) that I'd |
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>>> like to check for errors. Is there any program for Linux that does this? |
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>>> I found and tried dvdisaster, but it only works for CDs, not |
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>>> DVDs. Everything else seems to be Windows-only. |
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>>> |
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>>> - Lasse |
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>>> |
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>> For DVDs, I use ddrescue. Keep a log of it as well in case you want to |
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>> do a second pass or just see where it's puking. Use its blocksize of 2048: |
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>> |
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>> ddrescue -b 2048 /dev/sr0 dvd.iso ddrescue.log |
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> readcd is better for any optical media as it is able to directly send SCSI |
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> commands. Note that readcd implements the error recovery from sdd(1), that |
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> exists since 35 years and I also prefer for normal disks. |
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That's way cool to know. MakeMKV does the same thing - it rips stuff |
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directly using SCSI commands, and you have to have SCSI generic driver |
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support (/dev/sg*) enabled in the kernel for it to work. |
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> |
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> With software that operates at block driver level, you depend on the error |
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> recovery features from the OS driver. |
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|
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OS driver, do you mean for SCSI in Linux or the driver for that ATA chipset? |
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