[Xymon] xymon not warning

Ralph Mitchell ralphmitchell at gmail.com
Fri Oct 12 21:14:20 CEST 2018


I wonder if the dot in the string is causing an issue?

     /dev/xvda2  25G  7.0G  17G  31%  /

If I found the right bit in the code, it uses "atol()" to convert ascii
string to long int.  I think maybe the conversion stops when it hits the
non-numeric dot and it never sees the multiplier?

Ralph Mitchell


On Fri, Oct 12, 2018 at 1:29 PM Norbert Kriegenburg <
norbert.kriegenburg at de.ibm.com> wrote:

> sure,
>
> but for a fast check how many GB are available if the disk becomes yellow
> it is much more useful to have human readeable output.
> I cannot see why this
>
> df -hlP /home
> Filesystem Size Used Avail Use% Mounted on
> /dev/xvda2 25G 7.0G 17G 31% /
>
> behaves differently then this
>
> df -lP /home
> Filesystem 1024-blocks Used Available Capacity Mounted on
> /dev/xvda2 25412940 7260876 16854504 31% /
>
> as field NF-1 is the same. And the usage graphs are also not affected.
>
> Norbert
>
> [image: Inactive hide details for Galen Johnson ---10/12/2018 04:49:42
> PM---You can actually check for free space on volume instead of]Galen
> Johnson ---10/12/2018 04:49:42 PM---You can actually check for free space
> on volume instead of percentage. I do this for really large v
>
> From: Galen Johnson <solitaryr at gmail.com>
> To: norbert.kriegenburg at de.ibm.com
> Cc: Steffan <mailinglist at tikklik.nl>, "xymon >> xymon at xymon.com" <
> xymon at xymon.com>
> Date: 10/12/2018 04:49 PM
> Subject: Re: [Xymon] xymon not warning
> ------------------------------
>
>
>
> You can actually check for free space on volume instead of percentage.  I
> do this for really large volumes since multi-terabyte disks still have
> plenty of space when at 95% :-).  I expect that is why the -h arg won't
> work since the parser in Xymon expects a certain format.  For example:
>
> DISK /archive/courses 52428800U 10485760U
>
> (IIRC, those are in KB...check the man page) to turn yellow when 50 GB
> remains and red when 10 GB left on device.
>
> =G=
>
> On Fri, Oct 12, 2018 at 10:40 AM Norbert Kriegenburg <
> *norbert.kriegenburg at de.ibm.com* <norbert.kriegenburg at de.ibm.com>> wrote:
>
>    Ah yes,
>
>    i also recently stumbled over this. Took me some time to find out what
>    is the root cause (as always this mailing list helped).
>    But i wonder why the disk alerting does not work anymore if i change
>    df -Pl to df -hPl, if the disk usage percentage is not affected (by syntax
>    or output field).
>    (Btw: the inode alerting is not affected by the "h" switch).
>
>    I really would like to get this fixed, as for our normally huge disks
>    it is hard to check how much space is available by a normal df...
>
>    Norbert
>
>
>    "Steffan" ---10/12/2018 04:07:05 PM---I completely forgot about that.
>    I changed bin/xymon client-linux.sh More then a year ago to human re
>
>    From: "Steffan" <*mailinglist at tikklik.nl* <mailinglist at tikklik.nl>>
>    To: <*xymon at xymon.com* <xymon at xymon.com>>
>    Date: 10/12/2018 04:07 PM
>    Subject: Re: [Xymon] xymon not warning
>    Sent by: "Xymon" <*xymon-bounces at xymon.com* <xymon-bounces at xymon.com>>
>    ------------------------------
>
>
>
>    I completely forgot about that. I changed bin/xymon client-linux.sh
>    More then a year ago to human readable pages. I change dit back and yes it
>    works. To bad that i have to change it.
>
>    Thanx
>
>
> * Van:* Becker Christian <*christian.becker at rhein-zeitung.net*
>    <christian.becker at rhein-zeitung.net>>
> * Verzonden:* vrijdag 12 oktober 2018 15:40
> * Aan:* Steffan <*mailinglist at tikklik.nl* <mailinglist at tikklik.nl>>;
>    *xymon at xymon.com* <xymon at xymon.com>
> * Onderwerp:* AW: [Xymon] xymon not warning
>
>    Hello,
>
>    could this be anything related to the “form” of the reporting of the
>    sizes of the filesystems? …and the result of calculating to the gigabytes /
>    terabytes as in your example?
>
>    On “my” systems the sizes are reported in bytes, not in megabytes,
>    gigabytes, terabytes or whatever:
>
>
>
>    Just a thought…
>
>    Regards
>    Christian
>
>
> * Von:* Xymon <*xymon-bounces at xymon.com* <xymon-bounces at xymon.com>> *Im
>    Auftrag von *Steffan
> * Gesendet:* Freitag, 12. Oktober 2018 15:23
> * An:* *xymon at xymon.com* <xymon at xymon.com>
> * Betreff:* Re: [Xymon] xymon not warning
>
>    It is always green
>    Even if one is 100%
>    Analysis settings are:
>    DISK * 80 97 #YELLOW LOW FOR TESTING
>
>    91% /mnt/node2
>
> * Fri Oct 12 15:21:26 CEST 2018 - Filesystems ok*
>
> * Van:* SebA <*spah at syntec.co.uk* <spah at syntec.co.uk>>
> * Verzonden:* vrijdag 12 oktober 2018 13:48
> * Aan:* Steffan <*mailinglist at tikklik.nl* <mailinglist at tikklik.nl>>
> * CC:* Xymon Mailing List <*xymon at xymon.com* <xymon at xymon.com>>
> * Onderwerp:* Re: [Xymon] xymon not warning
>
>    Is the status green or yellow? If green, check your analysis.cfg will
>    match this host and limits configured appropriately. If yellow, check the
>    info page for this host to see what alerting you have, and configure
>    alerting in alerts.cfg if needed. If configured OK, check the notifications
>    report.
>
>    Kind regards,
>
>    SebA
>
>    On 12 October 2018 at 10:35, Steffan <*mailinglist at tikklik.nl*
>    <mailinglist at tikklik.nl>> wrote:
>    I dont see anything ignored in analysis.cfg
>
> * Van:* Neil Simmonds <*neilsimmonds1808 at gmail.com*
>    <neilsimmonds1808 at gmail.com>>
> * Verzonden:* vrijdag 12 oktober 2018 11:27
> * Aan:* 'Steffan' <*mailinglist at tikklik.nl* <mailinglist at tikklik.nl>>;
>    *xymon at xymon.com* <xymon at xymon.com>
> * Onderwerp:* RE: [Xymon] xymon not warning
>
>    Isn’t /mnt ignored in analysis.cfg?
>
> * From:* Xymon <*xymon-bounces at xymon.com* <xymon-bounces at xymon.com>> *On
>    Behalf Of *Steffan
> * Sent:* 12 October 2018 10:12
> * To:* *xymon at xymon.com* <xymon at xymon.com>
> * Subject:* [Xymon] xymon not warning
>
>    Hello list,
>
>    Xymon is sending warnings from other servers but it does not warn if
>    /mnt is getting filled
>    (yellow level is 90%)
>
>    Eny idees why this is ignored?
>
>
> * Fri Oct 12 11:06:27 CEST 2018 - Filesystems ok*
>    Filesystem Size Used Avail Use% Mounted on
>    udev 12G 0 12G 0% /dev
>    tmpfs 2.4G 266M 2.1G 12% /run
>    /dev/mapper/pve-root 94G 3.5G 86G 4% /
>    tmpfs 12G 19M 12G 1% /dev/shm
>    tmpfs 5.0M 0 5.0M 0% /run/lock
>    tmpfs 12G 0 12G 0% /sys/fs/cgroup
>    /dev/sdb1 1.8T 1.5T 273G 85% /mnt/node1
>    /dev/sdd1 1.8T 1.5T 257G 86% /mnt/node3
>    /dev/sdc1 3.6T 3.1T 343G 91% /mnt/node2
>    tmpfs 2.4G 0 2.4G 0% /run/user/0
>
>
>    Steffan
>
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