[Observium] Re: Device Showing Down in Alerts but Device is online

Wed, 27 Sep 2023 07:30:44 -0700 

Did you try... reading the error?

https://docs.observium.org/faq/#poller-or-discovery-exits-with-php-fatal-error-allowed-memory-size-of-x-bytes-exhausted-tried-to-allocate-x-bytes

Sagar Penti via observium wrote on 27/09/2023 15:25:


Hi adam,
When i try to manually pulling it will be showing some error. Please find it below & help us to resolve it.
*Oops! Something went wrong! You may want to report this to the Observium developers.*
*Allowed memory size of 134217728 bytes exhausted (tried to allocate 20480 bytes) in /opt/observium/includes/db/mysqli.inc.php:383* 

*Stack trace:*
*#0: (unknown function) called at [/opt/observium/includes/db/mysqli.inc.php:383]* 
*378:*
*379: $rows = [];*
*380: if ($result instanceof mysqli_result) {*
*381: if (OBS_DB_MYSQLND) {*
*382: // MySQL Native Driver*
*383: $rows = mysqli_fetch_all($result, MYSQLI_ASSOC);*
*384: } else {*
*385: while ($row = mysqli_fetch_assoc($result)) {*
*386: $rows[] = $row;*
*387: }*
*388: }*


-


*Thanks & Regards*
*Sagar Penti*
*7977783978*
*Navkar Supertech Pvt Ltd*

On 2023-09-27 19:41, Adam Armstrong via observium wrote:


Alert creation doesn't require waiting for the discovery process.
All of your entities have been picked up by the alert, but the ones in grey aren't actually being polled.
I suspect if you look at those devices you'll find they don't have populated graphs and are no longer being polled for some reason. 

Do you have a multi-poller system where one poller is broken?

Do you have unnecessary options on the poller entries in crontab?

adam.

Sagar Penti via observium wrote on 27/09/2023 15:06:

    Hi Miller,


    We have created a new alert so it will be taken for some to
    discover. Even after 5-6 hours some devices will be showing
    unknown then we forcefully discovered entire device after that
    also same thing.


    --


    *Thanks & Regards*
    *Sagar Penti*
    *7977783978*
    *Navkar Supertech Pvt Ltd*



    On 2023-09-27 18:28, Ryan, Spencer J. via observium wrote:

        Unknown means the device hasn't been polled yet since the
        alert check was updated, which might mean it's
        offline/unreachable, which might mean your original alert was
        fine. I'm guessing there is an ACL or other issue preventing
        your Observium server from getting ICMP and/or SNMP to these
        devices.

        Try to ping one from the observium server, and do a manual
        discovery on one to see if it can be reached, I'd bet they can't.

        ------------------------------------------------------------------------

        Spencer J. Ryan| Manager, Technology and Infrastructure
        *Miller Canfield***
        *T* +1.313.496.7979 | *F* +1.313.496.7500

        ------------------------------------------------------------------------

        *From:* Sagar Penti via observium
        <[email protected]>
        <mailto:[email protected]>
        *Sent:* Wednesday, September 27, 2023 1:12 AM
        *To:* Observium <[email protected]>
        <mailto:[email protected]>
        *Cc:* Adam Armstrong <[email protected]>
        <mailto:[email protected]>; [email protected]
        <mailto:[email protected]>
        *Subject:* [Observium] Re: Device Showing Down in Alerts but
        Device is online

                

        *Caution:*This is an external email. Do not open attachments
        or click links from unknown or unexpected emails.

        Hi adam,

        as per your said we have created a new alert in that also it
        will be showing unknown. Plese find the attached screenshot.
-- 

        *Thanks & Regards*
        *Sagar Penti*

        *7977783978*
        *Navkar Supertech Pvt Ltd*

        On 2023-09-26 21:49, Adam Armstrong via observium wrote:

            You can delete it and recreate it or just fix the broken
            conditions.

            Adam.

            Sent from my iPhone



                On 26 Sep 2023, at 16:44, Ryan, Spencer J. via
                observium <[email protected]
                <mailto:[email protected]>> wrote:

                Show us the alert conditions for that rule.

                
------------------------------------------------------------------------

                Spencer J. Ryan| Manager, Technology and Infrastructure
                *Miller Canfield***
                *T* +1.313.496.7979 | *F* +1.313.496.7500

                
------------------------------------------------------------------------

                *From:*Sagar Penti via observium
                <[email protected]
                <mailto:[email protected]>>
                *Sent:* Tuesday, September 26, 2023 11:41 AM
                *To:* Observium <[email protected]
                <mailto:[email protected]>>
                *Cc:* Adam Armstrong <[email protected]
                <mailto:[email protected]>>; [email protected]
                <mailto:[email protected]>
                *Subject:* [Observium] Re: Device Showing Down in
                Alerts but Device is online

                        

                *Caution:*This is an external email. Do not open
                attachments or click links from unknown or unexpected
                emails.

                Hi Adam,

                Then what can do for it delete this condition and
                recreate a new alert.
-- 

                *Thanks & Regards*
                *Sagar Penti*

                *7977783978*
                *Navkar Supertech Pvt Ltd*

                <image001.png>

                On 2023-09-26 21:00, Adam Armstrong via observium wrote:

                    This device isn't "showing down", an alert that
                    you've called "device up/down" which may or may
                    not correctly track a device being up/down has
                    failed for these devices, seemingly all of your
                    devices.

                    It's most likely that your alert conditions are
                    broken and are just always returning failed.

                    adam.

                    Sagar Penti via observium wrote on 26/09/2023 16:01:

                        Hi Team,

                        We have problem with device alerts. Due to
                        this we can't monitor our network. Actually,
                        our devices are online but, in the alerts, it
                        will be showing down. I have tried to
                        forceful discover but still same. I think it
                        will be software bug then i will update to
                        latest version but at here also same issue.
                        If anyone have solution, please let me know.
                        Thanks in advance.
-- 

                        *Thanks & Regards*
                        *Sagar Penti*

                        *7977783978*
                        *Navkar Supertech Pvt Ltd*

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