Which of the following commands should be used to rescan the entire SCSI bus?

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

View Answer

Answer: A

Explanation:

Reference: https://geekpeek.net/rescan-scsi-bus-on-linux-system/