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authorFederico Ceratto <federico.ceratto@gmail.com>2016-11-23 15:49:10 +0000
committerFederico Ceratto <federico.ceratto@gmail.com>2016-11-23 15:49:10 +0000
commit87649cf32bd0e14d5a903fb85b01e9f41a253540 (patch)
treebbefda6dac074aeb87529592e8e5064f69cbe024 /conf.d/health.d/disks.conf
parentImported Upstream version 1.3.0+dfsg (diff)
downloadnetdata-87649cf32bd0e14d5a903fb85b01e9f41a253540.tar.xz
netdata-87649cf32bd0e14d5a903fb85b01e9f41a253540.zip
New upstream version 1.4.0+dfsgupstream/1.4.0+dfsg
Diffstat (limited to 'conf.d/health.d/disks.conf')
-rw-r--r--conf.d/health.d/disks.conf95
1 files changed, 71 insertions, 24 deletions
diff --git a/conf.d/health.d/disks.conf b/conf.d/health.d/disks.conf
index c38f1a0a0..cc7a47660 100644
--- a/conf.d/health.d/disks.conf
+++ b/conf.d/health.d/disks.conf
@@ -1,18 +1,59 @@
# -----------------------------------------------------------------------------
+# make sure we collect values for each disk
+
+# for mount points
+template: disk_space_last_collected_secs
+ on: disk.space
+ calc: $now - $last_collected_t
+ units: seconds ago
+ every: 10s
+ warn: $this > (($status >= $WARNING) ? (0) : ( 5 * $update_every))
+ crit: $this > (($status == $CRITICAL) ? (0) : (60 * $update_every))
+ delay: down 5m multiplier 1.5 max 1h
+ info: number of seconds since the last successful data collection of the mount point
+ to: sysadmin
+
+# for block devices
+template: disk_last_collected_secs
+ on: disk.io
+ calc: $now - $last_collected_t
+ units: seconds ago
+ every: 10s
+ warn: $this > (($status >= $WARNING) ? (0) : ( 5 * $update_every))
+ crit: $this > (($status == $CRITICAL) ? (0) : (60 * $update_every))
+ delay: down 5m multiplier 1.5 max 1h
+ info: number of seconds since the last successful data collection of the block device
+ to: sysadmin
+
+
+# -----------------------------------------------------------------------------
# low disk space
# checking the latest collected values
# raise an alarm if the disk is low on
# available disk space
-template: disk_full_percent
+template: disk_space_usage
on: disk.space
calc: $used * 100 / ($avail + $used)
- every: 1m
- warn: $this > 80
- crit: $this > 95
units: %
+ every: 1m
+ warn: $this > (($status >= $WARNING ) ? (70) : (80))
+ crit: $this > (($status == $CRITICAL) ? (85) : (95))
+ delay: up 1m down 15m multiplier 1.5 max 1h
info: current disk space usage
+ to: sysadmin
+
+template: disk_inode_usage
+ on: disk.inodes
+ calc: $used * 100 / ($avail + $used)
+ units: %
+ every: 1m
+ warn: $this > (($status >= $WARNING) ? (75) : (80))
+ crit: $this > (($status == $CRITICAL) ? (90) : (95))
+ delay: up 1m down 15m multiplier 1.5 max 1h
+ info: current disk inode usage
+ to: sysadmin
# -----------------------------------------------------------------------------
@@ -20,7 +61,7 @@ template: disk_full_percent
# calculate the rate the disk fills
# use as base, the available space change
-# during the last 30 minutes
+# during the last hour
# this is just a calculation - it has no alarm
# we will use it in the next template to find
@@ -28,25 +69,27 @@ template: disk_full_percent
template: disk_fill_rate
on: disk.space
- lookup: max -1s at -30m unaligned of avail
- calc: ($this - $avail) / ($now - $after)
- every: 15s
- units: MB/s
- info: average rate the disk fills up (positive), or frees up (negative) space, for the last 30 minutes
+ lookup: min -10m at -50m unaligned of avail
+ calc: ($this - $avail) / (($now - $after) / 3600)
+ every: 1m
+ units: GB/hour
+ info: average rate the disk fills up (positive), or frees up (negative) space, for the last hour
# calculate the hours remaining
# if the disk continues to fill
# in this rate
-template: disk_full_after_hours
+template: out_of_disk_space_time
on: disk.space
- calc: $avail / $disk_fill_rate / 3600
- every: 10s
- warn: $this > 0 and $this < 48
- crit: $this > 0 and $this < 24
+ calc: $avail / $disk_fill_rate
units: hours
- info: estimated time the disk will run out of space, if the system continues to add data with the rate of the last 30 minutes
+ every: 10s
+ warn: $this > 0 and $this < (($status >= $WARNING) ? (48) : (8))
+ crit: $this > 0 and $this < (($status == $CRITICAL) ? (24) : (2))
+ delay: down 15m multiplier 1.2 max 1h
+ info: estimated time the disk will run out of space, if the system continues to add data with the rate of the last hour
+ to: sysadmin
# -----------------------------------------------------------------------------
@@ -59,13 +102,15 @@ template: disk_full_after_hours
template: 10min_disk_utilization
on: disk.util
lookup: average -10m unaligned
+ units: %
every: 1m
green: 90
red: 98
- warn: $this > $green
- crit: $this > $red
- units: %
+ warn: $this > $green * (($status >= $WARNING) ? (0.7) : (1))
+ crit: $this > $red * (($status == $CRITICAL) ? (0.7) : (1))
+ delay: down 15m multiplier 1.2 max 1h
info: the percentage of time the disk was busy, during the last 10 minutes
+ to: sysadmin
# raise an alarm if the disk backlog
@@ -76,10 +121,12 @@ template: 10min_disk_utilization
template: 10min_disk_backlog
on: disk.backlog
lookup: average -10m unaligned
- every: 1m
- green: 1000
- red: 2000
- warn: $this > $green
- crit: $this > $red
units: ms
+ every: 1m
+ green: 2000
+ red: 5000
+ warn: $this > $green * (($status >= $WARNING) ? (0.7) : (1))
+ crit: $this > $red * (($status == $CRITICAL) ? (0.7) : (1))
+ delay: down 15m multiplier 1.2 max 1h
info: average of the kernel estimated disk backlog, for the last 10 minutes
+ to: sysadmin