It says it is an eight-byte signed integer. That’s 2^63 correct? There should be several millennia before a rollover if my interpretation is correct.
Cheers, Michael Vieth
From: observium [mailto:observium-bounces@observium.org] On Behalf Of Phillip Baker Sent: Thursday, May 21, 2015 9:14 AM To: Observium Network Observation System Subject: Re: [Observium] What triggers the 'device rebooted' alert?
This is a standard issue with 32 bit counters and uptimes, so I’d start with google first! ☺
This isn’t an observium/database issue.
Phil
From: observium [mailto:observium-bounces@observium.org] On Behalf Of Michael Vieth Sent: 21 May 2015 15:04 To: Observium Network Observation System Subject: Re: [Observium] What triggers the 'device rebooted' alert?
Right, the graph shows an uptime of ~ 8 hours now, but the device itself says 497 days. Which observium concurs with… until about 8 hours ago.
I’m not great with sql so am getting a co-worker to pull the DB info to see if that sheds any more light on the issue.
Cheers, Michael Vieth
From: observium [mailto:observium-bounces@observium.org] On Behalf Of Spencer Ryan Sent: Thursday, May 21, 2015 8:38 AM To: Observium Network Observation System Subject: Re: [Observium] What triggers the 'device rebooted' alert?
Device-->Graphs-->System tab. One of the graphs will show you uptime.
Spencer Ryan | Senior Systems Administrator | sryan@arbor.netmailto:sryan@arbor.net Arbor Networks +1.734.794.5033 (d) | +1.734.846.2053 (m) www.arbornetworks.comhttp://www.arbornetworks.com/
On Thu, May 21, 2015 at 9:36 AM, Michael Vieth <MVieth@nexatech.commailto:MVieth@nexatech.com> wrote: Right, I checked my config.php and saw it as a 24hour setting.
I’ll look in the database for any uptime count.
Cheers, Michael Vieth
From: observium [mailto:observium-bounces@observium.orgmailto:observium-bounces@observium.org] On Behalf Of Spencer Ryan Sent: Thursday, May 21, 2015 8:25 AM To: Observium Network Observation System Subject: Re: [Observium] What triggers the 'device rebooted' alert?
A device uptime of < 24 hours by default. My guess is the SNMP counter rolled over on whatever device it's monitoring so observium sees it as a reboot.
Spencer Ryan | Senior Systems Administrator | sryan@arbor.netmailto:sryan@arbor.net Arbor Networks +1.734.794.5033tel:%2B1.734.794.5033 (d) | +1.734.846.2053tel:%2B1.734.846.2053 (m) www.arbornetworks.comhttp://www.arbornetworks.com/
On Thu, May 21, 2015 at 9:23 AM, Michael Vieth <MVieth@nexatech.commailto:MVieth@nexatech.com> wrote: I am showing a device reboot alert but the uptime is shown to be over a year. The reboot is reported to happen last night precisely at midnight. Using version 0.15.3.6343
Cheers,
[Description: cid:image001.jpg@01CA15C7.9F525A10]
Michael Vieth | Network Engineer
Nexa Technologies 801 E Campbell Rd. Ste 400 | Richardson, TX 75081 Phone: (972) 590-8669 x1906tel:%28972%29%20590-8669%20x1906 www.nexatech.comhttp://www.nexatech.com/
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