Tritonio

RAID cheat sheet

Aug 10th, 2021 (edited)
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  1. mdadm --create /dev/md1 -l 5 -n 3 /dev/sdc1 /dev/sde1 missing
  2.  
  3. mdadm --add /dev/md0 /dev/sdf1
  4.  
  5. echo "check" > /sys/block/md0/md/sync_action
  6.  
  7. mdadm --assemble --uuid UUID /dev/md0
  8.  
  9. mdadm --assemble --uuid UUID --force /dev/md0
  10.  
  11. mdadm --assemble --scan -v
  12.  
  13. mdadm --re-add /dev/md0 /dev/sdf1
  14.  
  15. mdadm --stop /dev/md0
  16.  
  17. mdadm --examine /dev/sdb1
  18.  
  19. watch cat /proc/mdstat
  20.  
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