mlh%goathill.org@localhost (MLH) writes: >> I am putting some bits on DVD, and ran mkisofs from sysutils/cdrecord on >> a netbsd-6 i386 machine. The file was 4680359936 bytes, which is less >> than the reported capacity of a single-layer DVD. I was able to mount >> this via vnconfig and read the files. I ran cdrecord without incident. >> Then, I was unable to even read from the disk using dd. On a mac, I >> could dd from it, but not mount the fs. The file is still transferring, >> but indications are I am reading back the file bit-for-bit. >> >> Has anyone else had similar issues? > > Yes. Yesterday I was creating a double-layer backup dvd using > mkisofs and dvdrecord and encountered maybe same problem in that > it won't mount. This has worked for a long time but didn't this > time so I used growisofs and it worked fine. So something appears > to be an issue with dvdrecord and maybe cdrecord. Thanks to everyone for replies. An update: the disc that I wrote read fine in another mac, in another NetBSD (5) system, and on a windows laptop. So the issue seems to be that my drive is in a state where it won't read post-writing, and that there's something odd with my mac (but I put openzfs on it).
Attachment:
pgp466mGBW_PA.pgp
Description: PGP signature