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Default Linux Rescan SCSI bus to add / remove a SCSI device without rebooting server

Default Linux Rescan SCSI bus to add / remove a SCSI device without rebooting server
For fc host:
Code:

echo "1" > /sys/class/fc_host/host#/issue_lip

For other scsi attached storage:
Code:

echo "- - -" > /sys/class/scsi_host/host#/scan

To add a single device:
Code:

echo "scsi add-single-device " > /proc/scsi/scsi

Replace HBTL and # with actual values as per your setup.

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