diff --git a/scterc.sh b/scterc.sh
index bd53166..2b76e47 100644
--- a/scterc.sh
+++ b/scterc.sh
@@ -13,10 +13,16 @@
 # error handling. If SCTERC is unsupported, it increases the Linux I/O timeout
 # to 180 seconds. Adjusting timeouts prevents premature I/O failures during
 # extended error recovery, improving reliability.
+#
+# set scterc < timeout <= eh_timeout for predictable and efficient error
+# handling
 ###
 
-sct=70      	# 70=7 seconds
-fallback=180	# 180 seconds
+sct=70           	# 70=7 seconds
+sct_timeout=15   	# 20 seconds
+sct_eh_timeout=25	# 30 seconds
+fb_timeout=180   	# 180 seconds
+fb_eh_timeout=200	# 200 seconds
 
 for i in /dev/sd[a-z] ; do
 	device=$(basename "$i")
@@ -26,10 +32,13 @@ for i in /dev/sd[a-z] ; do
 
 	# Check the output for "SCT Commands not supported"
 	if echo "$output" | grep -q "SCT Commands not supported" ; then
-		echo $fallback > "/sys/block/${device}/device/timeout"
 		printf "%s: no SCTERC support, using fallback.  " "$i"
+		echo $fb_timeout    > "/sys/block/${device}/device/timeout"
+		echo $fb_eh_timeout > "/sys/block/${device}/device/eh_timeout"
 	else
 		printf "%s: SCTERC set ok. " "$i"
+		echo $sct_timeout    > "/sys/block/${device}/device/timeout"
+		echo $sct_eh_timeout > "/sys/block/${device}/device/eh_timeout"
 	fi
 
 	# Show device identification