Re: disk repair?

[p035631b@pb.seflin.org (Joe Cairnes)]

Steve's advice is good.

If there are files you need in the bad blocks try reading them from drives
with different alignments and speeds.  Some copy programs will extract
part of bad sectors/blocks.  You might be able to fill in whatever is lost.

To directly answer the basic question:  Certifix isolates bad sectors, but
it initializes diskettes.  I do as Steve suggested, but I save trashy
diskettes in case my drives and complete system outlast new diskette
availability; you may want to too. 

ground.ecn AppleII Librarian (apple2pd@garp3.icaen.uiowa.edu) wrote:
: In article <9bjnq5$lqp$1@news.fas.harvard.edu>,
: Ben Zotto  <zotto.NO@SPAM.fas.harvard.edu> wrote:
: >Hey all,
: >Does any utility exist for the Apple II (ProDOS) that can validate/
: >verify a disk and mark bad blocks as bad?  I have some floppies
: >with a bad block or two and I want to have them marked like that so
: >I can still use the rest of the disk.  PC utilities (Norton, etc-- even
: >MSDOS to some extent) have done this kind of thing for a long time,
: >but GS/OS and CopyIIPlus don't seem to-- they can flag it but not
: >fix it.  
: >
: >Is there anything out there?
: >

: Big Bad Block Buncher (BBBB) by Jawaid Bazyar, 1989.  Formerly shareware,
: but now freeware.  ground.ecn.uiowa.edu apple2 archives
: apple2/apple8/Utils/bbbb.bsq

: Works great on ANY (write-able) Prodos block volume (5.25, 3.5, harddisk)

: The Finder under GS/OS will test for bad blocks, but not mark them in the
: VTOC.

: Good luck!  (A word of advice for disks with bad block(s):  copy
: every file you can to a second disk.  Reformat the old disk.  If reformat
: fails - throw the old disk away!  It will only get worse :-) )

:   --Steve

: -- 

:  --Steve  (apple2pd@ground.ecn.uiowa.edu)



--
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Joe			electron icmail - p035631b@pb.seflin.org

Now surfing the world at 2400 bits/second with more than one megahertz of
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