A Linux Engineer Is Troubleshooting a Newly Added SCSI Device

question 94

Multiple Choice

A Linux engineer is troubleshooting a newly added SCSI device for a Linux server that needed more disk space without rebooting. The engineer discovers that the new device is not visible by the Linux kernel in fdisk -l output. Which of the following commands should be used to rescan the entire SCSI bus?

• A) echo "- - -" > /sys/class/scsi_host/host0/scan
• B) echo ' ' > /sys/class/scsi_host/host0/scan
• C) echo "- - -" > /sys/scsi/scsi_host/host0/scan
• D) echo "scan" > /sys/class/scsi_host/host0/scan

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Definitions:

Recoverable Amount

The higher of an asset's fair value less costs to sell and its value in use, reflecting the maximum amount that can be recovered through its use or sale.

Expected Benefit Approaches

A method used in actuarial analysis or in benefits planning, projecting the future benefits to be received, often for purposes of pension plan funding or insurance.

Unverifiable

Pertaining to information or data that cannot be confirmed or corroborated through evidence or additional sources.

Unreliable

Lacking consistency, dependability, or accuracy in information, data, or result.