[plug] BadBlocks
Denis Brown
dsbrown at cyllene.uwa.edu.au
Thu Jan 11 09:40:54 WST 2001
Mike (Earnshaw) had a query about bad blocks and how to tell Linux to avoid
them...
The Debian man page for badblocks describes an option (-o outputfile) which
writes the bad block list to that file. Subsequently the e2fsck or mke2fs
programmes can make use of this file either by appending it to the existing
bad blocks table or clearing the table and using the file information
instead. "man badblocks", "man e2fsck" and "man mke2fs" will provide some
guidance.
Alternatively, The Linux Administrators Guide (Linux Documentation Project)
contains a section with an example for just this topic. Chapter 4 "Using
Disks and Other Storage Media" is relevant. Interestingly their example
avoids the use of the -o option, preferring to use output redirection (>
filename) instead. This may be due to the -o option being distribution
specific or perhaps it was added later. Gurus' comments please?
HTH,
Denis
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