Which single command simulates a failed device within a RAID 5 array?
Which single command simulates a failed device within a RAID 5 array?
To simulate a failed device within a RAID 5 array using the mdadm command, you can mark the device as faulty. The appropriate command for this is 'mdadm --fail /dev/md0 /dev/sdc1'. This command tells mdadm to mark the specified device (/dev/sdc1) within the specified RAID array (/dev/md0) as failed, which simulates a device failure.
Do you know if this dump cover all the program of exam? Is it valid?
Is correct D
D - 100%
-f, --fail : The former will cause any device that has been detached from the system to be marked as failed. It can then be removed.
The correct answer is D Here from the man page; -f, --fail Mark listed devices as faulty. As well as the name of a device file, the word detached or a set name like set-A can be given. The former will cause any device that has been detached from the system to be marked as failed. It can then be removed.
The answer is D. There is no --force-faulty option, but we have --set-faulty which works the same way as --fail option
D Is correct
The man page for mdadm states -f --force. There is no --fail . I
Not true. Both --force and --fail exist, but --force doesn't do what the question suggest. D is correct.
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