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Groups > linux.debian.user > #187254

Re: dd to clone a drive

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Le 26/09/2017 à 15:57, Jack Dangler a écrit :
> I have an existing drive near EOL (judging from the sounds). I got a 
> replacement drive for it (same size).
> 
> I plugged the replacement into a USB port and started a byte-for-byte 
> copy with
> 
> dd if=/dev/sda of=/dev/sdc

dd is not the best tool to copy a failing disk. Other tools such as 
ddrescue and dcfldd have useful features to deal with flaky sectors.

Also, you are not doing this while any filesystem or anything on the 
disk is mounted or in use, are you ? Otherwise the copy could be in an 
inconsistent state.

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dd to clone a drive Jack Dangler <tdldev@gmail.com> - 2017-09-26 16:00 +0200
  Re: dd to clone a drive Roberto C. Sánchez <roberto@debian.org> - 2017-09-26 16:20 +0200
  Re: dd to clone a drive Michael Stone <mstone@debian.org> - 2017-09-26 16:20 +0200
  Re: dd to clone a drive "Thomas Schmitt" <scdbackup@gmx.net> - 2017-09-26 16:40 +0200
    Re: dd to clone a drive Michael Stone <mstone@debian.org> - 2017-09-26 17:30 +0200
  Re: dd to clone a drive Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-09-26 16:50 +0200
  Re: dd to clone a drive Gene Heskett <gheskett@shentel.net> - 2017-09-26 17:40 +0200
    Re: dd to clone a drive Jack Dangler <tdldev@gmail.com> - 2017-09-29 13:40 +0200

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