[Storage]RPM series linux rescan disk / RPM系Linux重新扫描硬盘

 echo "- - -" > /sys/class/scsi_host/host0/scan
 echo "- - -" > /sys/class/scsi_host/host1/scan
 echo "- - -" > /sys/class/scsi_host/host2/scan

https://blog.51cto.com/chinahao/1880943