diff -Nur sg3_utils-1.37_old/scripts/rescan-scsi-bus.sh sg3_utils-1.37/scripts/rescan-scsi-bus.sh

--- sg3_utils-1.37_old/scripts/rescan-scsi-bus.sh	2017-03-14 14:45:43.312032787 +0800

+++ sg3_utils-1.37/scripts/rescan-scsi-bus.sh	2017-03-14 14:47:06.997039234 +0800

@@ -964,8 +964,8 @@

     echo "--issue-lip:     same as -i"

     echo "--wide:          same as -w"

     echo "--multipath:     same as -m"

-    echo "--forcerescan:   Rescan existing devices"

-    echo "--forceremove:   Remove and readd every device (DANGEROUS)"

+    echo "--forceremove:   Remove stale devices (DANGEROUS)"

+    echo "--forcerescan:   Remove and readd existing devices (DANGEROUS)"

     echo "--nooptscan:     don't stop looking for LUNs if 0 is not found"

     echo "--color:         use coloured prefixes OLD/NEW/DEL"

     echo "--hosts=LIST:    Scan only host(s) in LIST"