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I have a bunch of disks needing shredding. I also have 6 ports for hard drives on my PC. Shred, even running with brief options takes a while. I read the manpage for shred, but I saw no way to shred multiple hard drives concurrently. Is there an easy way to do that?

j0h
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    You could just run multiple instances of shred concurrently (e.g in different VTs / Terminals), one for each hard drive, or am I missing something ? – Jonas Czech Jun 12 '16 at 17:13

1 Answers1

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Run shred in the background. For example, if the disks are /dev/sdu /dev/sdv, /dev/sdw, /dev/sdx, /dev/sdy, and /dev/sdz: 

for d in sdu sdv sdw sdx sdy sdz ; do
    shred --your-options-here /dev/$d 2>&1 >shred.$d.log &
done
jobs
waltinator
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