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Top Forums Programming write() issue during a low level hdd access Post 302397641 by Corona688 on Monday 22nd of February 2010 09:58:07 PM
Old 02-22-2010
I haven't been following kernel changes, that I don't know.

I still think the timeout is in the drive, though may be configurable on certain drives. But not all drives. I've used Spinrite on some sick drives now and then, and there's some drives it can spot bad sectors quickly on, and some that still do the clunk-and-whine-45-seconds-per-sector dance. Particularly older drives. Maybe configuring that's an ATA extension?
 

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makefloppies(8) 					      System Manager's Manual						   makefloppies(8)

Name
       MAKEFLOPPIES - Creates the default floppy device nodes.

Note
       This  manpage has been automatically generated from fdutils's texinfo documentation.  However, this process is only approximative, and some
       items, such as cross-references, footnotes and indices are lost in this translation process.  Indeed, these items have no appropriate  rep-
       resentation  in	the  manpage  format.  Moreover, only the items specific to each command have been translated, and the general information
       about fdutils has been dropped in the manpage version.  Thus I strongly advise you to use the original texinfo doc.

       *      To generate a printable copy from the texinfo doc, run the following commands:

		     ./configure; make dvi; dvips fdutils.dvi

       *      To generate a HTML copy,	run:

		     ./configure; make html

	      A pre-made HTML can be found at: `http://www.tux.org/pub/knaff/fdutils'

       *      To generate an info copy (browsable using emacs' info mode), run:

		     ./configure; make info

       The texinfo doc looks most pretty when printed or as HTML.  Indeed, in the info version certain examples are difficult to read due  to  the
       quoting conventions used in info.

Description
	  MAKEFLOPPIES [-tlvng] [drives]

       The  MAKEFLOPPIES  shell  script creates the new floppy block device node.  It uses the floppycontrol program to translate the minor device
       numbers into meaningful names. It also uses these names to decide whether to create a given block device file or not, depending on the type
       of the physical drive (for instance, for a 3 1/2 drive, the formats corresponding to a 5 1/4 drive are not created).

       If  you	have  more  than  two  floppy  drives,	you  need  to  tell  the  kernel  the  CMOS  types  of	those  additional drives using the
       floppy=drive,type,cmos lilo option.

       If the drives  parameter is given, only the device nodes for the listed drives are made. By default, all only  the  two	first  drives  are
       tried.

       MAKEFLOPPIES does not work if you redefine your default formats.

       Caution: MAKEFLOPPIES removes already existing floppy device nodes.

Options
       -t     Use the old naming convention for 3 1/2 devices (e.g. `fd0H720' instead of `fd0u720').

       -m     Base the name for the created devices on the type of the media (e.g. `fd0h720' instead of `fd0u720').

       -l     Local. Creates device nodes in the local directory, not /dev

       -v     Verbose

       -n     Dry run. (just report what would be done, do not do anything)

       -g     Group.  Allow read/write access to floppy devices only for group `floppy'

Bugs
       The MAKEFLOPPIES script does not work on redefined "default" formats, If you redefine default formats, you need to create the needed device
       nodes manually.

See Also
       Fdutils' texinfo doc

fdutils-5.5							      03Mar05							   makefloppies(8)
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