blob: fd207fbc1461cea9c2723e02c9c511ddf4f4403f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
# you can disable an alarm notification by setting the 'to' line to: silent
# -----------------------------------------------------------------------------
# low disk space
# checking the latest collected values
# raise an alarm if the disk is low on
# available disk space
template: disk_space_usage
on: disk.space
class: Utilization
type: System
component: Disk
os: linux freebsd
hosts: *
families: !/dev !/dev/* !/run !/run/* *
calc: $used * 100 / ($avail + $used)
units: %
every: 1m
warn: $this > (($status >= $WARNING ) ? (80) : (90))
crit: $this > (($status == $CRITICAL) ? (90) : (98))
delay: up 1m down 15m multiplier 1.5 max 1h
info: disk ${label:mount_point} space utilization
to: sysadmin
template: disk_inode_usage
on: disk.inodes
class: Utilization
type: System
component: Disk
os: linux freebsd
hosts: *
families: !/dev !/dev/* !/run !/run/* *
calc: $used * 100 / ($avail + $used)
units: %
every: 1m
warn: $this > (($status >= $WARNING) ? (80) : (90))
crit: $this > (($status == $CRITICAL) ? (90) : (98))
delay: up 1m down 15m multiplier 1.5 max 1h
info: disk ${label:mount_point} inode utilization
to: sysadmin
# -----------------------------------------------------------------------------
# disk fill rate
# calculate the rate the disk fills
# use as base, the available space change
# during the last hour
# this is just a calculation - it has no alarm
# we will use it in the next template to find
# the hours remaining
# template: disk_fill_rate
# on: disk.space
# os: linux freebsd
# hosts: *
# families: *
# lookup: min -10m at -50m unaligned of avail
# calc: ($this - $avail) / (($now - $after) / 3600)
# every: 1m
# units: GB/hour
# info: average rate the disk fills up (positive), or frees up (negative) space, for the last hour
# calculate the hours remaining
# if the disk continues to fill
# in this rate
# template: out_of_disk_space_time
# on: disk.space
# os: linux freebsd
# hosts: *
# families: *
# calc: ($disk_fill_rate > 0) ? ($avail / $disk_fill_rate) : (inf)
# units: hours
# every: 10s
# warn: $this > 0 and $this < (($status >= $WARNING) ? (48) : (8))
# crit: $this > 0 and $this < (($status == $CRITICAL) ? (24) : (2))
# delay: down 15m multiplier 1.2 max 1h
# info: estimated time the disk will run out of space, if the system continues to add data with the rate of the last hour
# to: sysadmin
# -----------------------------------------------------------------------------
# disk inode fill rate
# calculate the rate the disk inodes are allocated
# use as base, the available inodes change
# during the last hour
# this is just a calculation - it has no alarm
# we will use it in the next template to find
# the hours remaining
# template: disk_inode_rate
# on: disk.inodes
# os: linux freebsd
# hosts: *
# families: *
# lookup: min -10m at -50m unaligned of avail
# calc: ($this - $avail) / (($now - $after) / 3600)
# every: 1m
# units: inodes/hour
# info: average rate at which disk inodes are allocated (positive), or freed (negative), for the last hour
# calculate the hours remaining
# if the disk inodes are allocated
# in this rate
# template: out_of_disk_inodes_time
# on: disk.inodes
# os: linux freebsd
# hosts: *
# families: *
# calc: ($disk_inode_rate > 0) ? ($avail / $disk_inode_rate) : (inf)
# units: hours
# 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 inodes, if the system continues to allocate inodes with the rate of the last hour
# to: sysadmin
# -----------------------------------------------------------------------------
# disk congestion
# raise an alarm if the disk is congested
# by calculating the average disk utilization
# for the last 10 minutes
template: 10min_disk_utilization
on: disk.util
class: Utilization
type: System
component: Disk
os: linux freebsd
hosts: *
families: *
lookup: average -10m unaligned
units: %
every: 1m
warn: $this > 98 * (($status >= $WARNING) ? (0.7) : (1))
delay: down 15m multiplier 1.2 max 1h
info: average percentage of time ${label:device} disk was busy over the last 10 minutes
to: silent
# raise an alarm if the disk backlog
# is above 1000ms (1s) per second
# for 10 minutes
# (i.e. the disk cannot catch up)
template: 10min_disk_backlog
on: disk.backlog
class: Latency
type: System
component: Disk
os: linux
hosts: *
families: *
lookup: average -10m unaligned
units: ms
every: 1m
warn: $this > 5000 * (($status >= $WARNING) ? (0.7) : (1))
delay: down 15m multiplier 1.2 max 1h
info: average backlog size of the ${label:device} disk over the last 10 minutes
to: silent
|
