3 files changed, 41 insertions, 1 deletions
diff --git a/health/health.d/linux_power_supply.conf b/health/health.d/linux_power_supply.conf
index 27a172a1..745d2c3d 100644
--- a/health/health.d/linux_power_supply.conf
+++ b/health/health.d/linux_power_supply.conf
@@ -1,7 +1,7 @@
 # Alert on low battery capacity.
 
 template: linux_power_supply_capacity
-      on: power_supply.capacity
+      on: powersupply.capacity
     calc: $capacity
    units: %
    every: 10s
diff --git a/health/health.d/mdstat.conf b/health/health.d/mdstat.conf
index 0f5f2837..a53ec7a5 100644
--- a/health/health.d/mdstat.conf
+++ b/health/health.d/mdstat.conf
@@ -25,3 +25,13 @@ template: mdstat_mismatch_cnt
     crit: $this > 0
     info: Mismatch count!
       to: sysadmin
+
+template: mdstat_nonredundant_last_collected
+      on: md.nonredundant
+    calc: $now - $last_collected_t
+   units: seconds ago
+   every: 10s
+    warn: $this > (($status >= $WARNING)  ? ($update_every) : ( 5 * $update_every))
+    crit: $this > (($status == $CRITICAL) ? ($update_every) : (60 * $update_every))
+    info: number of seconds since the last successful data collection
+      to: sysadmin
+\ No newline at end of file
diff --git a/health/health.d/web_log.conf b/health/health.d/web_log.conf
index d8be88b4..031adc2e 100644
--- a/health/health.d/web_log.conf
+++ b/health/health.d/web_log.conf
@@ -85,6 +85,36 @@ families: *
     info: the ratio of HTTP internal server errors (5xx), over the last minute
       to: webmaster
 
+# unmatched lines
+
+# the following alarms trigger only when there are enough data.
+# we assume there are enough data when:
+#
+#  $1m_total_requests > 120
+#
+# i.e. when there are at least 120 requests during the last minute
+
+template: 1m_total_requests
+      on: web_log.response_codes
+families: *
+  lookup: sum -1m unaligned
+    calc: ($this == 0)?(1):($this)
+   units: requests
+   every: 10s
+    info: the sum of all HTTP requests over the last minute
+
+template: 1m_unmatched
+on: web_log.response_codes
+families: *
+  lookup: sum -1m unaligned of unmatched
+    calc: $this * 100 / $1m_total_requests
+   units: %
+   every: 10s
+    warn: ($1m_total_requests > 120) ? ($this > 1) : ( 0 )
+    crit: ($1m_total_requests > 120) ? ($this > 5) : ( 0 )
+   delay: up 1m down 5m multiplier 1.5 max 1h
+    info: the ratio of unmatched lines, over the last minute
+      to: webmaster
 
 # -----------------------------------------------------------------------------
 # web slow