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LPI

201-450 · Question #279

Which single command will simulate a failed device within a RAID 5 array?

The correct answer is D. mdadm --fail /dev/md0 /dev/sdc1. You've hit your weekly limit · resets 5am (America/New_York)

Advanced Storage Device Administration

Question

Which single command will simulate a failed device within a RAID 5 array?

Options

  • Amdadm --remove /dev/md0 /dev/sdd1
  • Bmdadm --zero-superblock /dev/sdf3
  • Cmdadm --force-fault /dev/md2 /dev/sde2
  • Dmdadm --fail /dev/md0 /dev/sdc1
  • Emdadm /dev/md0 --offline /dev/sdc1

How the community answered

(65 responses)
  • A
    15% (10)
  • B
    6% (4)
  • C
    3% (2)
  • D
    74% (48)
  • E
    2% (1)

Explanation

You've hit your weekly limit · resets 5am (America/New_York)

Topics

#mdadm#RAID5#disk failure simulation#--fail

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