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Dale <rdalek1967@×××××.com> wrote: |
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|
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> bitlord wrote: |
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> > On Mon, 25 May 2015 22:27:39 -0400 |
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> > covici@××××××××××.com wrote: |
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> > |
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> >> Hi. I am trying to burn an iso image to a cd (maybe its actually a |
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> >> dvd disk), and it boots without any errors, and I can mount the iso |
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> >> with the loop option, but if I try to mount the cd, it complains |
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> >> about ufs file systems, and if I try to mount with -t iso9660, it |
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> >> just says bad file type or bad superblock and the disk is unusable. |
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> >> Nothing interesting in the logs, it just says the same about ufs and |
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> >> nothing about iso9660. |
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> >> |
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> >> I am using cdrecord from cdrtools-3.01_alpha28 and I am running the |
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> >> unstable version of gentoo. |
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> >> |
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> >> Any assistance would be appreciated. |
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> >> |
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> > Sorry, I know nothing about standards, optical media and filesystems, |
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> > and don't understand how it works, once I had some issues with mounting |
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> > optical media, also missing a filesystem which I fixed with enabling |
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> > CONFIG_UDF_FS in kernel. I tried to read about UDF... before replying, |
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> > but it is too much for me, if I understand it correctly it is not just |
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> > what is written to the media but also how (different modes, for adding |
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> > more data later ...), so may be some option while burning media that |
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> > allows you to use free space left on the disk. |
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> > If this is not useful just ignore it. ;-) |
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> > |
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> > |
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> |
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> Same boat here. From what I understand, if it is more than 2GBs, it |
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> needs UDF support. No idea if that applies to ISOs to tho. |
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|
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OK, I have a bit more info, I managed to burn the CD on another box and |
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when I tried to mount it using this drive, it gave me in the logs |
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May 26 02:41:59 ccs.covici.com kernel: end_request: I/O error, dev sr0, |
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sector 942680 |
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May 26 02:41:59 ccs.covici.com kernel: Buffer I/O error on device sr0, |
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logical block 117835 |
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May 26 02:42:00 ccs.covici.com kernel: end_request: I/O error, dev sr0, |
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sector 942680 |
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May 26 02:42:00 ccs.covici.com kernel: Buffer I/O error on device sr0, |
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logical block 117835 |
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but it did mount successfully! and I did a diff against the same iso |
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mounted via -o loop and there were no differences. |
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|
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-- |
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Your life is like a penny. You're going to lose it. The question is: |
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How do |
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you spend it? |
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|
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John Covici |
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covici@××××××××××.com |