Recovering data from duff CDROM ?
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From: bb on 3 Nov 2009 08:10 On 2009-11-02 17:05, Pascal Hambourg wrote: > Hello, > > bb a écrit : >> There is a tool named ddrescue that can continue to read even if you get >> block errors, and if you save it to a file, and once you have the file, >> try to play it with mplayer to see if there is any hope at all to get the >> mp3 files back. > > Will mplayer be happy to be fed with a filesystem image ? > If not, you can try to recover files from the filesystem image with > photorec, which is part of the testdisk package. Mplayer is amazing, it can mostly play an iso or image of a complete DVD and with some magic figure out how to play it. What I mean is that _IF_ mplayer find the data and start to play it, it's also possible to save the songs as files. But in any case, a file image of the CD is needed for a recovery, since it can fail and it's good to keep the original copy for a new try. /bb
From: Doug Mitton on 3 Nov 2009 08:28 Mike Jones <Not(a)Arizona.Bay> wrote: >Responding to philo: > >> Mike Jones wrote: >>> Responding to philo: >>> >>>> Mike Jones wrote: >>>>> I burned a CDROM a short while back, and now can't get the damn thing >>>>> to mount (even though it would have been checked as OK prior to >>>>> storage). As its got data on it that is no longer available from >>>>> source, I'm wondering if anybody has any favorite tricks they've used >>>>> to force a mount. >>>>> >>>>> Its a cheapo Memorex thing from some supermarket, and the data was >>>>> originally on an ext2 file system. The data is a collection of MP3 >>>>> lectures, and was burned as data (not as an audioCD) to this CDROM >>>>> using Brasero on a Zenwalk-5.2 OS. >>>>> >>>>> I've tried the usual "auto" and "ext2" mount options, and the "-s" >>>>> sloppy mount flag, but the best I can manage is a lot of disk >>>>> spinning, followed by a report that the resource is read only (its >>>>> not) and a mount screen report about "No such file or directory" >>>>> available. >>>>> >>>>> Just to be sure I'd actually managed a burn in the first place, I >>>>> dropped the disk into a burn process in XFburn (the app I'm currently >>>>> using on Slackware) and, as expected, got a report that the CDROM >>>>> disk was full. >>>>> >>>>> There is no visible evidence of damage on the disk itself. Its shiney >>>>> new. >>>>> >>>>> I'm open to suggestions about now. Clues anyone? >>>>> >>>>> >>>>> >>>> try it on another machine >>> >>> >>> Done that already. >>> >>> >>> >> >> >> there's a windows utility call iso buster that I've used with good >> results. don't know if there is a Linux equiv > > >Doubtless. It might be a combination of things called in one commandline >though. I guess I'm going to end up learning it. ;\ I've used CDFS to rescue a friends photos in the past. It doesn't appear to be supported recently but its located: http://users.elis.ugent.be/~mronsse/cdfs/ Good luck! -- ------------------------------------------------- http://www3.sympatico.ca/dmitton SPAM Reduction: Remove ".invalid" from my domain. -------------------------------------------------
From: Mike Jones on 3 Nov 2009 14:46 Responding to Doug Mitton: > Mike Jones <Not(a)Arizona.Bay> wrote: > >>Responding to philo: >> >>> Mike Jones wrote: >>>> Responding to philo: >>>> >>>>> Mike Jones wrote: >>>>>> I burned a CDROM a short while back, and now can't get the damn >>>>>> thing to mount (even though it would have been checked as OK prior >>>>>> to storage). As its got data on it that is no longer available from >>>>>> source, I'm wondering if anybody has any favorite tricks they've >>>>>> used to force a mount. >>>>>> >>>>>> Its a cheapo Memorex thing from some supermarket, and the data was >>>>>> originally on an ext2 file system. The data is a collection of MP3 >>>>>> lectures, and was burned as data (not as an audioCD) to this CDROM >>>>>> using Brasero on a Zenwalk-5.2 OS. >>>>>> >>>>>> I've tried the usual "auto" and "ext2" mount options, and the "-s" >>>>>> sloppy mount flag, but the best I can manage is a lot of disk >>>>>> spinning, followed by a report that the resource is read only (its >>>>>> not) and a mount screen report about "No such file or directory" >>>>>> available. >>>>>> >>>>>> Just to be sure I'd actually managed a burn in the first place, I >>>>>> dropped the disk into a burn process in XFburn (the app I'm >>>>>> currently using on Slackware) and, as expected, got a report that >>>>>> the CDROM disk was full. >>>>>> >>>>>> There is no visible evidence of damage on the disk itself. Its >>>>>> shiney new. >>>>>> >>>>>> I'm open to suggestions about now. Clues anyone? >>>>>> >>>>>> >>>>>> >>>>> try it on another machine >>>> >>>> >>>> Done that already. >>>> >>>> >>>> >>>> >>> >>> there's a windows utility call iso buster that I've used with good >>> results. don't know if there is a Linux equiv >> >> >>Doubtless. It might be a combination of things called in one commandline >>though. I guess I'm going to end up learning it. ;\ > > I've used CDFS to rescue a friends photos in the past. It doesn't > appear to be supported recently but its located: > http://users.elis.ugent.be/~mronsse/cdfs/ > > Good luck! Another useful looking tool that relies on something actually booting in some way. There does seem to be a few options to look at though. Cheers. I'm thinking this disk is a write off though, including the data on it. -- *===( http://www.400monkeys.com/God/ *===( http://principiadiscordia.com/ *===( http://www.slackware.com/
From: Doug Mitton on 3 Nov 2009 15:15 Mike Jones <Not(a)Arizona.Bay> wrote: >Responding to Doug Mitton: > >> Mike Jones <Not(a)Arizona.Bay> wrote: >> >>>Responding to philo: >>> >>>> Mike Jones wrote: >>>>> Responding to philo: >>>>> >>>>>> Mike Jones wrote: >>>>>>> I burned a CDROM a short while back, and now can't get the damn >>>>>>> thing to mount (even though it would have been checked as OK prior >>>>>>> to storage). As its got data on it that is no longer available from >>>>>>> source, I'm wondering if anybody has any favorite tricks they've >>>>>>> used to force a mount. >>>>>>> >>>>>>> Its a cheapo Memorex thing from some supermarket, and the data was >>>>>>> originally on an ext2 file system. The data is a collection of MP3 >>>>>>> lectures, and was burned as data (not as an audioCD) to this CDROM >>>>>>> using Brasero on a Zenwalk-5.2 OS. >>>>>>> >>>>>>> I've tried the usual "auto" and "ext2" mount options, and the "-s" >>>>>>> sloppy mount flag, but the best I can manage is a lot of disk >>>>>>> spinning, followed by a report that the resource is read only (its >>>>>>> not) and a mount screen report about "No such file or directory" >>>>>>> available. >>>>>>> >>>>>>> Just to be sure I'd actually managed a burn in the first place, I >>>>>>> dropped the disk into a burn process in XFburn (the app I'm >>>>>>> currently using on Slackware) and, as expected, got a report that >>>>>>> the CDROM disk was full. >>>>>>> >>>>>>> There is no visible evidence of damage on the disk itself. Its >>>>>>> shiney new. >>>>>>> >>>>>>> I'm open to suggestions about now. Clues anyone? >>>>>>> >>>>>>> >>>>>>> >>>>>> try it on another machine >>>>> >>>>> >>>>> Done that already. >>>>> >>>>> >>>>> >>>>> >>>> >>>> there's a windows utility call iso buster that I've used with good >>>> results. don't know if there is a Linux equiv >>> >>> >>>Doubtless. It might be a combination of things called in one commandline >>>though. I guess I'm going to end up learning it. ;\ >> >> I've used CDFS to rescue a friends photos in the past. It doesn't >> appear to be supported recently but its located: >> http://users.elis.ugent.be/~mronsse/cdfs/ >> >> Good luck! > > >Another useful looking tool that relies on something actually booting in >some way. > >There does seem to be a few options to look at though. Cheers. > >I'm thinking this disk is a write off though, including the data on it. I don't think this requires the disk to "boot" (mount). But it may not fit your needs. I use it to recover data from a muti-session data disk that has had a newer session write "junk" over a previous "good" session. I don't think it relies on the actual master file system. But, Ive been incorrect before. -- ------------------------------------------------- http://www3.sympatico.ca/dmitton SPAM Reduction: Remove ".invalid" from my domain. -------------------------------------------------
From: jellybean stonerfish on 3 Nov 2009 16:12
On Tue, 03 Nov 2009 19:46:19 +0000, Mike Jones wrote: > I'm thinking this disk is a write off though, including the data on it. What happened when you tried ddrescue? |