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shchuko

qemu-dd

Feb 12th, 2021
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C++ 0.79 KB | None | 0 0
  1. disk0 - virtio
  2. a123456@123456s-Mac ~ % sudo dd if=/dev/zero of=/dev/disk0 bs=4096 count=100000; sync
  3. 100000+0 records in
  4. 100000+0 records out
  5. 409600000 bytes transferred in 3.717606 secs (110178437 bytes/sec)
  6. a123456@123456s-Mac ~ % sudo dd if=/dev/zero of=/dev/disk3 bs=4096 count=100000; sync
  7. 100000+0 records in
  8. 100000+0 records out
  9. 409600000 bytes transferred in 16.407716 secs (24963865 bytes/sec)
  10. a123456@123456s-Mac ~ % sudo dd of=/dev/zero if=/dev/disk0 bs=4096 count=100000; sync
  11. 100000+0 records in
  12. 100000+0 records out
  13. 409600000 bytes transferred in 29.220649 secs (14017485 bytes/sec)
  14. a123456@123456s-Mac ~ % sudo dd of=/dev/zero if=/dev/disk3 bs=4096 count=100000; sync
  15. 100000+0 records in
  16. 100000+0 records out
  17. 409600000 bytes transferred in 45.164097 secs (9069151 bytes/sec)
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