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Groups > comp.os.linux.hardware > #898

Recover zonked USB sticks

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I am in the habit of putting an ISO on a USB stick to netinst install
the Debian Squeeze system. However, when I try to do it with a custom
ISO and installer combo, the # zcat command destroys the stick. After
doing it, I now plug the stick in (with automount) I get:

  $ dmesg
  ...
  [250357.735511] sd 28:0:0:0: [sdb] Assuming drive cache: write through 
  [250357.735514]  sdb:
  
  $ df -k
  ...
  /dev/sdb        489208     25408    463800   6% /media/usb0

  $ mount 
  ...
  /dev/sdb on /media/usb0 type vfat
    (rw,noexec,nodev,sync,noatime,nodiratime)

With the custom boot image I do: 

  # zcat boot-i386-0808.img.gz > /dev/sdb

  $ ls /media/usb0
  adgtk.cfg    f2.txt f8.txt     initrd.gz   rqtxt.cfg     vesamenu.c32
  adtxt.cfg    f3.txt f9.txt     ldlinux.sys setup.exe  win32-loader.ini 
  disk.lbl     f4.txt g2ldr      linux       splash.png
  exithelp.cfg f5.txt g2ldr.mbr  menu.cfg    stdmenu.cfg
  f10.txt      f6.txt gtk.cfg    prompt.cfg  syslinux.cfg
  f1.txt       f7.txt initrdg.gz rqgtk.cfg   txt.cfg
  
However these files are probably remnants of a prior run of zcat on
a stock ISO, but they are not in /dev/sdb1 for some reason.

  # cfdisk /dev/sdb
  FATAL ERROR: Bad primary partition 0: Partition begins after
         end-of-disk 

I've done this to two sticks. Although they are old, small and cheap, it
would be nice to recover them. Any suggestions?

Haines Brown
 

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Thread

Recover zonked USB sticks Haines Brown <haines@HistoricalMaterialism.info> - 2011-12-05 11:37 -0500
  Re: Recover zonked USB sticks Lew Pitcher <lpitcher@teksavvy.com> - 2011-12-05 12:24 -0500
    Re: Recover zonked USB sticks Haines Brown <haines@HistoricalMaterialism.info> - 2011-12-06 13:03 -0500
      Re: Recover zonked USB sticks "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2011-12-06 16:01 -0500
      Re: Recover zonked USB sticks Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2011-12-06 23:13 +0100
        Re: Recover zonked USB sticks Haines Brown <haines@HistoricalMaterialism.info> - 2011-12-07 10:42 -0500
  Re: Recover zonked USB sticks Richard Kettlewell <rjk@greenend.org.uk> - 2011-12-06 19:29 +0000
    Re: Recover zonked USB sticks Haines Brown <haines@HistoricalMaterialism.info> - 2011-12-07 10:39 -0500
    Re: Recover zonked USB sticks Haines Brown <haines@HistoricalMaterialism.info> - 2011-12-07 12:13 -0500
      Re: Recover zonked USB sticks Richard Kettlewell <rjk@greenend.org.uk> - 2011-12-07 17:25 +0000

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