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   alt.os.linux.suse      Suse is actually not that bad      138,051 messages   

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   Message 137,424 of 138,051   
   Carlos E.R. to Aragorn   
   Re: dd from Leap-15.3   
   27 Dec 21 01:50:37   
   
   From: robin_listas@es.invalid   
      
   On 26/12/2021 23.33, Aragorn wrote:   
   > On 26.12.2021 at 17:19, bad sector scribbled:   
   >   
   >> I do a lot of dd to back up or restore partitions but lately I've had   
   >> to avoid doing so from a Leap-15.3 Konsole. While Slackware's   
   >> root login at cLi level has always been the fastest and most   
   >> reliable UI to do this from, it also worked from any terminal in   
   >> GUI environments but in Leap it lately often results in a totally   
   >> locked system. Not so in TW, Slackware, Devuan or Artix.   
   >   
   > According to my information — which may be wrong — openSUSE Leap uses   
   > btrfs by default, and if you're used to other filesystems, then btrfs   
   > is a whole other beast.   
   >   
   > I'm not so sure whether dd would be the right tool to use with btrfs,   
   > among other things because btrfs aggressively caches and buffers, in   
   > combination with that it uses copy-on-write.  And if you're running dd   
   > from a terminal emulator in a graphical environment, then there's a lot   
   > of data being cached and buffered.   
      
   I have been doing dd from partitions to a file residing on btrfs   
   (several disks) with compression and encryption, without snapshooting,   
   and it works fine. However, none using 15.3 yet, and none using plasma   
   nor KDE.   
      
   Now, if you mean that the source partition is formatted as btrfs, that's   
   irrelevant, because the filesystem has to be umounted.   
      
   Now, if you find a situation that crashes the system, you must report it   
   in Bugzilla.   
      
      
   --   
   Cheers, Carlos.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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