1WATCHDOG.CONF(5) File Formats Manual WATCHDOG.CONF(5)
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6 watchdog.conf - configuration file for the watchdog daemon
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9 This file carries all configuration options for the Linux watchdog dae‐
10 mon. Each option has to be written on a line for itself. Comments
11 start with '#'. Blanks are ignored except after the '=' sign. An empty
12 text after the '=' sign disables the feature as long as that makes
13 sense.
14
16 interval = <interval>
17 Set the interval between two writes to the watchdog device. The
18 kernel drivers expects a write command every minute. Otherwise
19 the system will be rebooted. Default value is 10 seconds. An
20 interval of more than a minute can only be used with the -f com‐
21 mand-line option.
22 logtick = <logtick>
24 If you enable verbose logging, a message is written into the
25 syslog or a logfile. While this is nice, it is not necessary to
26 get a message every 10 seconds which really fills up disk and
27 needs CPU. logtick allows adjustment of the number of intervals
28 skipped before a log message is written. If you use logtick = 60
29 and interval = 10, only every 10 minutes (600 seconds) a message
30 is written. This may make the exact time of a crash harder to
31 find but greatly reduces disk usage and administrator nerves if
32 you're looking for a particular syslog entry in between of
33 watchdog messages.
34 max-load-1 = <load1>
36 Set the maximal allowed load average for a 1 minute span. Once
37 this load average is reached the system is rebooted. Default
38 value is 0. That means the load average check is disabled. Be
39 careful not to this parameter too low. To set a value less then
40 the predefined minimal value of 2, you have to use the -f com‐
41 mandline option.
42 max-load-5 = <load5>
44 Set the maximal allowed load average for a 5 minute span. Once
45 this load average is reached the system is rebooted. Default
46 value is 3/4*max-load-1. Be careful not to this parameter too
47 low. To set a value less then the predefined minimal value of 2,
48 you have to use the -f commandline option.
49 max-load-15 = <load15>
51 Set the maximal allowed load average for a 15 minute span. Once
52 this load average is reached the system is rebooted. Default
53 value is 1/2*max-load-1. Be careful not to this parameter too
54 low. To set a value less then the predefined minimal value of 2,
55 you have to use the -f commandline option.
56 min-memory = <minpage>
58 Set the minimal amount of virtual memory that has to stay free.
59 Note that this is in pages. Default value is 0 pages which means
60 this test is disabled. The page size is taken from the system
61 include files.
62 max-temperature = <temp>
64 Set the maximal allowed temperature. Once this temperature is
65 reached the system is halted. Default value is 120. There is no
66 unit conversion, so make sure you use the same unit as your
67 hardware. Watchdog will issue warnings once the temperature
68 increases 90%, 95% and 98% of this temperature.
69 watchdog-device = <device>
71 Set the watchdog device name. Default is to disable keep alive
72 support.
73 watchdog-timeout = <timeout>
75 Set the watchdog device timeout during startup. If not set, the
76 default is driver-dependent.
77 temperature-device = <temp-dev>
79 Set the temperature device name. Default is to disable tempera‐
80 ture checking.
81 file = <filename>
83 Set file name for file mode. This option can be given as often
84 as you like to check several files.
85 change = <mtime>
87 Set the change interval time for file mode. This options always
88 belongs to the active filename, that is when finding a 'change
89 =' line watchdog assumes it belongs to the most recently read
90 'file =' line. They don't neccessarily have to follow each
91 other directly. But you cannot specify a 'change =' before a
92 'file ='. The default is to only stat the file and don't look
93 for changes.
94 pidfile = <pidfilename>
96 Set pidfile name for server test mode. This option can be given
97 as often as you like to check several servers.
98 ping = <ip-addr>
100 Set IP address for ping mode. This option can be used more than
101 once to check different connections.
102 interface = <if-name>
104 Set interface name for network mode. This option can be used
105 more than once to check different interfaces.
106 test-binary = <testbin>
108 Execute the given binary to do some user defined tests.
109 test-timeout = <timeout in seconds>
111 User defined tests may only run for <timeout> seconds. Set to 0
112 for unlimited.
113 repair-binary = <repbin>
115 Execute the given binary in case of a problem instead of shut‐
116 ting down the system.
117 admin = <mail-address>
119 Email address to send admin mail to. That is, who shall be noti‐
120 fied that the machine is being halted or rebooted. Default is
121 'root'. If you want to disable notification via email just set
122 admin to en empty string.
123 realtime = <yes|no>
125 If set to yes watchdog will lock itself into memory so it is
126 never swapped out.
127 priority = <schedule priority>
129 Set the schedule priority for realtime mode.
130 test-directory = <test directory>
132 Set the directory to run user test/repair scripts. Default is
133 '/etc/watchdog.d' See the Test Directory section in watchdog(8)
134 for more information.
135
137 /etc/watchdog.conf
138 The watchdog configuration file
139 /etc/watchdog.d
141 A directory containing test-or-repair commands. See the Test
142 Directory section in watchdog(8) for more information.
143
145 watchdog(8)
1464th Berkeley Distribution January 2005 WATCHDOG.CONF(5)