2019-kvm-forum/4000-case-study-baseline.term

   1 #!/bin/bash
   2
   3 source functions
   4
   5 # Title.
   6 export title="Case Study: copying sparse images"
   7
   8 # History.
   9 remember 'qemu-img create -f qcow2 src.qcow2 100m'
  10 remember 'for i in $(seq 0 2 99); do qemu-io -f qcow2' \
  11          '-c "w ${i}m 1m" src.qcow2; done >/dev/null'
  12 remember 'cat ./convert'
  13 remember './convert zeromode=none'
  14
  15 pushd $talkdir/fastzero.d >/dev/null
  16 echo "Based on https://www.redhat.com/archives/libguestfs/2019-August/msg00322.html"
  17 echo
  18 terminal
  19 popd >/dev/null