LPI

117-201 · 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. See the full explanation below for the reasoning.

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

(33 responses)

A
12% (4)
C
3% (1)
D
79% (26)
E
6% (2)

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