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Apr 17th, 2021
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  1. # vgcreate mirror /dev/nvme[0-1]n1
  2. # lvcreate -n vol1 -l 100%FREE mirror /dev/nvme0n1
  3. # lvcreate -n vol2 -l 100%FREE mirror /dev/nvme1n1
  4. # mdadm --create --verbose --assume-clean /dev/md0 --level=1 --raid-devices=2 /dev/mirror/vol{1,2}
  5. # fio --filename=/dev/md0 ...
  6. Jobs: 32 (f=32): [w(32)][4.9%][w=2261MiB/s][w=579k IOPS][eta 00m:58s]
  7. Jobs: 32 (f=32): [w(32)][6.6%][w=2230MiB/s][w=571k IOPS][eta 00m:57s]
  8. Jobs: 32 (f=32): [w(32)][8.2%][w=2130MiB/s][w=545k IOPS][eta 00m:56s]
  9. Jobs: 32 (f=32): [w(32)][9.8%][w=2131MiB/s][w=546k IOPS][eta 00m:55s]
  10. Jobs: 32 (f=32): [w(32)][11.5%][w=2129MiB/s][w=545k IOPS][eta 00m:54s]
  11. Jobs: 32 (f=32): [w(32)][13.1%][w=2125MiB/s][w=544k IOPS][eta 00m:53s]
  12. Jobs: 32 (f=32): [w(32)][14.8%][w=2112MiB/s][w=541k IOPS][eta 00m:52s]
  13. Jobs: 32 (f=32): [w(32)][16.4%][w=2113MiB/s][w=541k IOPS][eta 00m:51s]
  14.  
  15. IOPS=539k  IOPS=533k IOPS=533k
  16.  
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