From: steveo@eircom.net   
      
   On Fri, 16 Aug 2024 11:04:26 +0200   
   Jesper  wrote:   
      
   > raspberrypi@raspberrypi:~ $ sudo dd if=/dev/sda of=/nvme0n1 bs=1b   
   > dd: error writing '/nvme0n1': No space left on device   
      
   	Your command is missing a /dev it should be:   
      
   sudo dd if=/dev/sda of=/dev/nvme0n1 bs=1b   
   _______________________^^^^^   
      
   	The "no space on device" error comes because without the /dev dd is   
   attempting to write a file called nvme0n1 in / but since / runs out of   
   space before it finishes the file is never closed and thus no directory   
   entry is written which is why yuou never see it.   
      
   	Also I don't think bs=1b is likely to be a good blocksize (1   
   byte). If the version of dd you're using doesn't support bs=1m then try   
   bs=1024k or be=1048576. The idea is to get it to use the largest block size   
   (and thus writes) that the data path will support.   
      
   --   
   Steve O'Hara-Smith   
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