Disk Graphs 🔗 link

Hi Henrik/all

I just noticed something interesting with disk graphs.
Last night, one of my disks hit 99% (for a few minutes) which made me look more closely at the history graph
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Dunno what happened there, but it wasn't supposed to send just yet.

Let's try again.

Hi Henrik/all

I just noticed something interesting with disk graphs.
Last night, one of my disks hit 99% (for a few minutes) which made me look more closely at the history graphs for the disk in question.
The 48 hour graph shows Max to be 99% - No worries there.
The 12 day graph shows it to be 95.5%
The 48 day only 65.3, and the 576 day, a tiny 39.9%
However, every night, since I started monitoring, this disk hits over 95% for a few minutes. (An overnight process uses the space then releases it)

Have I found a bug with Hobbit/RRDTool, or am I doing something silly?

Regards
    Vernon

P.S. Running Hobbit 4.0.3 with rrdtool 1.0.49

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NOTICE: This message and any attachments are confidential and may contain copyright material of Australian Finance Group Limited or a third party. It is intended solely for the purpose of the addressee and any other named recipient. If you are not the intended recipient, any use, distribution, disclosure or copying of this message is strictly prohibited. The confidentiality attached
to this message is not waived or lost by reason of the mistaken transmission or delivery to any unintended party. If you have received this message in error, please notify the author immediately or contact Australian Finance Group on +61 8 9420 7888.

On Tue, May 31, 2005 at 08:31:16AM +0800, Vernon Everett wrote:

It's not a bug, but it's a common misunderstanding about how RRDtool
handles data for the graphs.

The min/max values you see on the graphs are not absolute min/max
values. RRDtool doesn't keep any record of these.

What RRDtool does is to compute an average value for each data point,
an average over the amount of time each data point represents in the
graph. And the min/max values you get are the lowest/highest value of
that *average*.

Each graph has 576 data points. For the 48-hour graph this means a data
point is the average over 5 minutes - which happens to match the
frequency that most of the Hobbit tests run. So the 48-hour graph
more or less matches the absolute measurements done (not quite, because
the tests can run at intervals that are not exactly 5 minutes). The 12 
day graph averages over 30 minutes, the 48 day graph over 2 hours, and
the 576 day graph over 24 hours.

So if your disk is 35% full all of the time, except for 5 minutes a day,
then the 576-day graph will come out as being completely flat - because
the average value *over the 24-hour period* will be constant. And you'll
see a max-value of (5*95 + 1435*35)/1440 = 35,2 % (24 hours = 1440
minutes).


Regards,
Henrik

Hi,

is client based configuration fully supported or is it considered
deprecated? Are there some features which do not work using client
based configuration (e.g. logfile monitoring or viewing client data
in the web interface)?

I've noticed that the disk graphs do not show all filesystems reported
by the clients. There is always one filesystem missing (count in the
script URL one too low). However on the trends page the graph shows up
correctly. Is it a bug or configuration issue?

Ciao,
Thomas
-- 
Thomas Kähn                   WESTEND GmbH  |  Internet-Business-Provider
Technik                       CISCO Systems Partner - Authorized Reseller
                              Im Süsterfeld 6          Tel 0241/701333-18
user-02a72cb3f725@xymon.invalid                D-52072 Aachen              Fax 0241/911879
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Die Gesellschaft ist eingetragen im Handelsregister Aachen unter HRB 7608
Geschäftsführer:           Thomas Neugebauer, Thomas Heller, Michael Kolb

Hi,

On Mon, Oct 15, 2007 at 12:09:00PM +0200, Thomas Kaehn wrote:

I've taken a closer look at this problem. It does not occur with
any number of filesystems.

5 filesystems => only 4 are shown in 1 diagram
6 filesystems => only 5 are shown in 1 diagram

1 filesystem => OK, 1 diagram
10 filesystems => OK, 3 diagrams
14 filesystems => OK, 4 diagrams

Additionally the wrong number of graphs is only shown on the disk page
not on the trends page. Is anyone experiencing the same problem?

Ciao,
Thomas
-- 
Thomas Kähn                   WESTEND GmbH  |  Internet-Business-Provider
Technik                       CISCO Systems Partner - Authorized Reseller
                              Im Süsterfeld 6          Tel 0241/701333-18
user-02a72cb3f725@xymon.invalid                D-52072 Aachen              Fax 0241/911879
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Die Gesellschaft ist eingetragen im Handelsregister Aachen unter HRB 7608
Geschäftsführer:           Thomas Neugebauer, Thomas Heller, Michael Kolb

I would like to front end the ack of an outage by having the person call
into an Asterisk PBX-in-a-Flash(PiaF) system.

The user would then be prompted for the associate information.

The script would then ssh (no-password/using cert) to the Xymon system
and issue a command line to ack the outage.

 
Is there a place you can point me to the ack info using the command
line.

I do not currently have any ack functions working other than the web
page.

 
I have already created scripts that use the .call file functions to send
a Text-to-Speech (TTS) message if there are specific problems.

 
I think that the marriage of the two systems can be a very good way to
do out-of-band notification is the Internet or Email are having a
problem.

 
Thanks,

 
Tom Schmitt

Senior IT Staff - R&D

L-3 Communication Systems West

640 North 2200 West

P.O. Box 16850

Salt Lake City, UT  XXXXX

Phone (XXX) XXX-XXXX

Cell      (XXX) XXX-XXXX

eFax    (XXX) XXX-XXXX

user-9c1ae820b621@xymon.invalid

           \\\\||////

             \ ~  ~ /  

             | @  @ |   

--oOo---(_)---oOo--

Hi all.

I have faced proble, described by Thomas Kaehn (2007 October). But still I
am unable to find solution
Some times, some of disk graphs are not displayed, but in trend graphs it
is shown.
Has anyone found solution for that known issue?

Thanks.
Ricardas

----- "d tom schmitt" <user-9c1ae820b621@xymon.invalid> wrote:

Line 110 of web/hobbit-ackinfo.c has the following:

                /* ackinfo HOST.TEST\nlevel\nvaliduntil\nackedby\nmsg */
                bbmsg = (char *)malloc(1024 + strlen(hostname) + strlen(testname) + strlen(ackedby) + strlen(ackmsg));
                sprintf(bbmsg, "ackinfo %s.%s\n%d\n%d\n%s\n%s\n",
                        hostname, testname, level, validity, ackedby, ackmsg);
                res = sendmessage(bbmsg, NULL, NULL, NULL, 0, BBTALK_TIMEOUT);

So, it would appear you should be able to use 'bb' to send an appropriate message, as shown in the comment.

(this could be added to the 'bb' man page if it would be of interest).

Regards,
Buchan