'Help with check_disk is required'

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List:       nagiosplug-help
Subject:    Help with check_disk is required
From:       Itai Ganot <itai.g () matomy ! com>
Date:       2014-06-25 10:25:20
Message-ID: B66093CD8D1F154EB57F11D0F4C1F576CDD5F9 () MATOMY-IL-EX1 ! Matomy ! local
[Download RAW message or body]

Hi,

I'm using check_disk to monitor our DB server:
I'm running the command like so:, but I don't understand when it returns me Warning \
or Critical... as the disk is almost full but the notifications I receive are shown \
as "Disk OK":

[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c \
check_disk -a '-W 90% -C 95% -p /' DISK OK - free space: / 8681 MB (89% inode=95%); \
/var/lib/mysql 62617 MB (54% inode=99%); /dev 8191 MB (99% inode=99%); /dev/shm 8192 \
MB (100% inode=99%);| /=967MB;;;0;10078 /var/lib/mysql=52190MB;;;0;120951 \
/dev=0MB;;;0;8192 /dev/shm=0MB;;;0;8192 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 80 -c 100% \
-p /' DISK CRITICAL - free space: / 8681 MB (89% inode=95%);| /=967MB;9998;0;0;10078
[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c \
check_disk -a '-w 80 -c 100 -p /' DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;9998;9978;0;10078 [root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe \
-H 10.200.248.11 -c check_disk -a '-w 90 -c 100 -p /' DISK OK - free space: / 8681 MB \
(89% inode=95%);| /=967MB;9988;9978;0;10078 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 95 -c 100 \
-p /' DISK OK - free space: / 8681 MB (89% inode=95%);| /=967MB;9983;9978;0;10078
[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c \
check_disk -a '-w 96 -c 100 -p /' DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;9982;9978;0;10078 [root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe \
-H 10.200.248.11 -c check_disk -a '-w 10 -c 20 -p /' DISK OK - free space: / 8681 MB \
(89% inode=95%);| /=967MB;10068;10058;0;10078 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 80 -c 90 \
-p /' DISK OK - free space: / 8681 MB (89% inode=95%);| /=967MB;9998;9988;0;10078
[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c \
check_disk -a '-w 80% -c 90% -p /' DISK CRITICAL - free space: / 8681 MB (89% \
inode=95%);| /=967MB;2015;1007;0;10078 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 20% -c 10% \
-p /' DISK OK - free space: / 8681 MB (89% inode=95%);| /=967MB;8062;9070;0;10078
[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c \
check_disk -a '-W 20% -C 10% -p /' DISK OK - free space: / 8681 MB (89% inode=95%); \
/var/lib/mysql 62617 MB (54% inode=99%); /dev 8191 MB (99% inode=99%); /dev/shm 8192 \
MB (100% inode=99%);| /=967MB;;;0;10078 /var/lib/mysql=52190MB;;;0;120951 \
/dev=0MB;;;0;8192 /dev/shm=0MB;;;0;8192 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 20% -c 10% \
-p /' DISK OK - free space: / 8681 MB (89% inode=95%);| /=967MB;8062;9070;0;10078
[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c \
check_disk -a '-M -w 20% -c 10% -p /' DISK OK - free space: /dev/ploop18793p1 8681 MB \
(89% inode=95%);| /dev/ploop18793p1=967MB;8062;9070;0;10078 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 20% -c 10% \
-p /' DISK OK - free space: / 8681 MB (89% inode=95%);| /=967MB;8062;9070;0;10078
[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c \
check_disk -a '-w 80 -c 90 -p /' DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;9998;9988;0;10078 [root@nagios plugins]#
[root@nagios plugins]#
[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c \
check_disk -a '-W 89 -c 90 -p /' DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;;9988;0;10078 [root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-w 89 -c 90 -p /' DISK OK - free space: / 8681 MB \
(89% inode=95%);| /=967MB;9989;9988;0;10078 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 89 -C 95 \
-p /' DISK OK - free space: / 8681 MB (89% inode=95%); /var/lib/mysql 62617 MB (54% \
inode=99%); /dev 8191 MB (99% inode=99%); /dev/shm 8192 MB (100% inode=99%);| \
/=967MB;9989;;0;10078 /var/lib/mysql=52190MB;120862;;0;120951 /dev=0MB;8103;;0;8192 \
/dev/shm=0MB;8103;;0;8192 [root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe \
-H 10.200.248.11 -c check_disk -a '-w 89 -c 95 -p /' DISK OK - free space: / 8681 MB \
(89% inode=95%);| /=967MB;9989;9983;0;10078 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 89 -c 95 \
-p /var/lib/mysql' DISK OK - free space: /var/lib/mysql 62617 MB (54% inode=99%);| \
/var/lib/mysql=52190MB;120862;120856;0;120951 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 50 -c 95 \
-p /var/lib/mysql' DISK OK - free space: /var/lib/mysql 62617 MB (54% inode=99%);| \
/var/lib/mysql=52190MB;120901;120856;0;120951 [root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 50 -c 80 \
-p /var/lib/mysql' DISK OK - free space: /var/lib/mysql 62617 MB (54% inode=99%);| \
/var/lib/mysql=52190MB;120901;120871;0;120951 [root@nagios plugins]#

I'm trying to set the notification like so:
Check_disk -a '-w 85% -c 90% /'
Then it should return Disk Warning because 89% disk is in use and it's more than 85% \
but instead I receive an OK notification... What could be the cause?

Thanks

Itai

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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">I&#8217;m using check_disk to monitor our DB \
server:<o:p></o:p></p> <p class="MsoNormal">I&#8217;m running the command like so:, \
but I don&#8217;t understand when it returns me Warning or Critical&#8230; as the \
disk is almost full but the notifications I receive are shown as &#8220;Disk \
OK&#8221;:<o:p></o:p></p> <p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-W 90% -C 95% -p /'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: / 8681 MB (89% inode=95%); /var/lib/mysql \
62617 MB (54% inode=99%); /dev 8191 MB (99% inode=99%); /dev/shm 8192 MB (100% \
inode=99%);| /=967MB;;;0;10078 /var/lib/mysql=52190MB;;;0;120951 /dev=0MB;;;0;8192 \
/dev/shm=0MB;;;0;8192<o:p></o:p></p> <p class="MsoNormal">[root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 80 -c 100% \
-p /'<o:p></o:p></p> <p class="MsoNormal">DISK CRITICAL - free space: / 8681 MB (89% \
inode=95%);| /=967MB;9998;0;0;10078<o:p></o:p></p> <p class="MsoNormal">[root@nagios \
plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w \
80 -c 100 -p /'<o:p></o:p></p> <p class="MsoNormal">DISK OK - free space: / 8681 MB \
(89% inode=95%);| /=967MB;9998;9978;0;10078<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-w 90 -c 100 -p /'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;9988;9978;0;10078<o:p></o:p></p> <p class="MsoNormal">[root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 95 -c 100 \
-p /'<o:p></o:p></p> <p class="MsoNormal">DISK OK - free space: / 8681 MB (89% \
inode=95%);| /=967MB;9983;9978;0;10078<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-w 96 -c 100 -p /'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;9982;9978;0;10078<o:p></o:p></p> <p class="MsoNormal">[root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 10 -c 20 \
-p /'<o:p></o:p></p> <p class="MsoNormal">DISK OK - free space: / 8681 MB (89% \
inode=95%);| /=967MB;10068;10058;0;10078<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-w 80 -c 90 -p /'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;9998;9988;0;10078<o:p></o:p></p> <p class="MsoNormal">[root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 80% -c 90% \
-p /'<o:p></o:p></p> <p class="MsoNormal">DISK CRITICAL - free space: / 8681 MB (89% \
inode=95%);| /=967MB;2015;1007;0;10078<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-w 20% -c 10% -p /'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;8062;9070;0;10078<o:p></o:p></p> <p class="MsoNormal">[root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-W 20% -C 10% \
-p /'<o:p></o:p></p> <p class="MsoNormal">DISK OK - free space: / 8681 MB (89% \
inode=95%); /var/lib/mysql 62617 MB (54% inode=99%); /dev 8191 MB (99% inode=99%); \
/dev/shm 8192 MB (100% inode=99%);| /=967MB;;;0;10078 \
/var/lib/mysql=52190MB;;;0;120951 /dev=0MB;;;0;8192 \
/dev/shm=0MB;;;0;8192<o:p></o:p></p> <p class="MsoNormal">[root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 20% -c 10% \
-p /'<o:p></o:p></p> <p class="MsoNormal">DISK OK - free space: / 8681 MB (89% \
inode=95%);| /=967MB;8062;9070;0;10078<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-M -w 20% -c 10% -p /'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: /dev/ploop18793p1 8681 MB (89% inode=95%);| \
/dev/ploop18793p1=967MB;8062;9070;0;10078<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-w 20% -c 10% -p /'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;8062;9070;0;10078<o:p></o:p></p> <p class="MsoNormal">[root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 80 -c 90 \
-p /'<o:p></o:p></p> <p class="MsoNormal">DISK OK - free space: / 8681 MB (89% \
inode=95%);| /=967MB;9998;9988;0;10078<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# <o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# <o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-W 89 -c 90 -p /'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: / 8681 MB (89% inode=95%);| \
/=967MB;;9988;0;10078<o:p></o:p></p> <p class="MsoNormal">[root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 89 -c 90 \
-p /'<o:p></o:p></p> <p class="MsoNormal">DISK OK - free space: / 8681 MB (89% \
inode=95%);| /=967MB;9989;9988;0;10078<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-w 89 -C 95 -p /'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: / 8681 MB (89% inode=95%); /var/lib/mysql \
62617 MB (54% inode=99%); /dev 8191 MB (99% inode=99%); /dev/shm 8192 MB (100% \
inode=99%);| /=967MB;9989;;0;10078 /var/lib/mysql=52190MB;120862;;0;120951 \
/dev=0MB;8103;;0;8192  /dev/shm=0MB;8103;;0;8192<o:p></o:p></p>
<p class="MsoNormal"><span style="color:red">[root@nagios plugins]# \
/usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w 89 -c 95 \
-p /'<o:p></o:p></span></p> <p class="MsoNormal"><span style="color:red">DISK OK - \
free space: / 8681 MB (89% inode=95%);| \
/=967MB;9989;9983;0;10078<o:p></o:p></span></p> <p class="MsoNormal">[root@nagios \
plugins]# /usr/lib64/nagios/plugins/check_nrpe -H 10.200.248.11 -c check_disk -a '-w \
89 -c 95 -p /var/lib/mysql'<o:p></o:p></p> <p class="MsoNormal">DISK OK - free space: \
/var/lib/mysql 62617 MB (54% inode=99%);| \
/var/lib/mysql=52190MB;120862;120856;0;120951<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-w 50 -c 95 -p /var/lib/mysql'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: /var/lib/mysql 62617 MB (54% inode=99%);| \
/var/lib/mysql=52190MB;120901;120856;0;120951<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]# /usr/lib64/nagios/plugins/check_nrpe -H \
10.200.248.11 -c check_disk -a '-w 50 -c 80 -p /var/lib/mysql'<o:p></o:p></p> <p \
class="MsoNormal">DISK OK - free space: /var/lib/mysql 62617 MB (54% inode=99%);| \
/var/lib/mysql=52190MB;120901;120871;0;120951<o:p></o:p></p> <p \
class="MsoNormal">[root@nagios plugins]#<o:p></o:p></p> <p \
class="MsoNormal"><o:p>&nbsp;</o:p></p> <p class="MsoNormal">I&#8217;m trying to set \
the notification like so:<o:p></o:p></p> <p class="MsoNormal">Check_disk &#8211;a \
&#8216;-w 85% -c 90% /&#8217;<o:p></o:p></p> <p class="MsoNormal">Then it should \
return Disk Warning because 89% disk is in use and it&#8217;s more than 85% but \
instead I receive an OK notification&#8230;<o:p></o:p></p> <p class="MsoNormal">What \
could be the cause?<o:p></o:p></p> <p class="MsoNormal"><br>
Thanks<o:p></o:p></p>
<p class="MsoNormal"><br>
Itai<o:p></o:p></p>
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