Merge multiple improvements to multipath.conf

Signed-off-by: Germano Percossi <germano.percossi@citrix.com>

GitHub: closes #146 on xapi-project/sm

multipath/multipath.conf

@@ -1,8 +1,13 @@
-# For a configuration sample refer to multipath documentation.
-# To check current configuration values `multipathd -k"show conf"`
+# This configuration file is used to overwrite the built-in configuration of
+# multipathd.
+# For information on the syntax refer to `man multipath.conf` and the examples
+# in `/usr/share/doc/device-mapper-multipath-*/`.
+# To check the currently running multipath configuration see the output of
+# `multipathd -k"show conf"`.
 defaults {
 	user_friendly_names	no
 	replace_wwid_whitespace	yes
+	dev_loss_tmo		30
 }
 blacklist {
 	wwid "*"
@@ -11,6 +16,13 @@ blacklist {
 blacklist_exceptions {
 }
 devices {
+	device {
+		vendor			"DataCore"
+		product			"SAN*"
+		path_checker		"tur"
+		path_grouping_policy	failover
+		failback		30
+	}
 	device {
 		vendor			"DELL"
 		product			"MD36xx(i|f)"
@@ -24,6 +36,16 @@ devices {
 		prio			rdac
 		no_path_retry		30
 	}
+	device {
+		vendor			"EQLOGIC"
+		product			"100E-00"
+		path_grouping_policy	multibus
+		path_checker		tur
+		failback		immediate
+		path_selector		"round-robin 0"
+		rr_min_io		3
+		rr_weight		priorities
+	}
 	device {
 		vendor			"IBM"
 		product			"1723*"
@@ -35,10 +57,8 @@ devices {
 		prio			rdac
 	}
 	device {
-		vendor			"DataCore"
-		product			"SAN*"
-		path_checker		"tur"
-		path_grouping_policy	failover
-		failback		30
+		vendor			"NETAPP"
+		product			"LUN.*"
+		dev_loss_tmo    	30
 	}
 }