I have concern about it but my case is different. I have a disk that burn using 6.1-current and it burn good no error with 6.1. But when I read it on 7.0 it produce error ("i am not quite remember but something with big..., like reading error sector"). The disk still readable but the access is slow. On 4/22/06, Ulrich Spoerlein <uspoerlein_at_gmail.com> wrote: > > Søren, group, > > I'm working on some improvements for recoverdisk[1] to handle optical > media > better. I found it an invaluable tool for recovering old CD-Rs. It also > helps with newer DVDs, when your drive sucks wrt. error recovery. > > recoverdisk tries to read in 1MB, 64kB and SECTORSIZE chunks. This has > the obvious drawback, that it can't really handle audio CDs or mode 2 > CDs with a sectorsize of 2352. > > While this is easily fixed, the acd(4) driver seems to allow no reads > greater than 128kB *for audio CDs*. While this is also not terrible, it > results in roughly 700 error messages per CD, as all the 1MB (1046640 > bytes, more precisely) chunks will fail. > > A side note: Accessing audio CDs via atapicam and dd(1) is completely > impossible. Is the SCSI subsystem limited to multiple-of-512-blocksizes? > > [1] /usr/src/tools/tools/recoverdisk > > Ulrich Spoerlein > -- > PGP Key ID: 20FEE9DD Encrypted mail welcome! > Fingerprint: AEC9 AF5E 01AC 4EE1 8F70 6CBD E76E 2227 20FE E9DD > Which is worse: ignorance or apathy? > Don't know. Don't care. > > >Received on Sun Apr 23 2006 - 03:37:18 UTC
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