On 6/13/05, jim branagan <fedora@xxxxxxxxxxxxxxxxxxxx> wrote: > Paul wrote: > > >Hi, > > > > > > > >>Use "dumpe2fs -b >/tmp/badblocks" to get a list of the bad blocks in > >>/tmp/badblocks. > >> > >> > > > >All that returns is Couldn't find valid filesystem superblock in the > >file. > > > > > > > >>Edit that file and add an entry for block 1, then > >>run "badblocks -i /tmp/badblocks" to mark the block as bad. > >> > >> > > > >Given the above error, how am I supposed to add an entry for that? The > >man page for badblocks isn't exactly revealing much. > > > >TTFN > > > >Paul > > > > > The ext2/3 file system seems to be able to bypass bad blocks only in > 'normal' places, not in superblocks or group descriptors. I have an old > '80Gb' drive with 5G of bad blocks on it I am able to use successfully > only by creating an unused partition to shift the superblock into a good > block, and formatting the remaining 70Gb with 'mke2fs -c -c ...' (of > course I don't rely on it; it's in a USB enclosure I use for large > off-net file transfers). > Have you tried using the drive manufacturer's low level formatting utility to remap the bad sectors?
