Yeah. Because we check and send alerts per-device, its pretty hard for us to have aggregate emails including multiple devices.
Aggregate emails including multiple alerts from the same device is significantly easier, since all alerts for one host are sent by the same script execution.
Adam.
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On 22 December 2014 11:00:39 "Hamilton, Kent" KHamilton@exegy.com wrote:
I've asked about that before since I have hundreds of remote firewalls with our systems behind them at customer locations. Firewall/VPN tunnel/etc. drops, and I get 50 alerts. I was given the response that it was too big a change.
-----Original Message----- From: observium [mailto:observium-bounces@observium.org] On Behalf Of Pedersen, Sean Sent: Thursday, December 18, 2014 7:03 AM To: Observium Network Observation System Subject: Re: [Observium] aggregate alert emails?
Device polling supersedes entity polling. I’ve had multiple device down alarms with no trailing port or other entity alarms associated with that device.
However, if you have a bunch of devices connected to “switch-a” and it goes down, you’re going to get alerts from all of those downstream device ports, assuming you have a port up/down alert configured. Maybe that’s what the OP was referring to?
Some large (arguably, bloated) commercial NMS tools will map inter-device connections and silence alarms for downstream ports connected to a device that went down.
On 12/17/14, 3:17 PM, "Tom Laermans" tom.laermans@powersource.cx wrote:
Yup, it only gets to alert when it's polling the entity configured in your alert checker, but if the device is not polled (due to being down) it will not run the checkers and as such not alert.
Tom
On 17/12/2014 23:16, Zhenhui Liang wrote:
Say my alert condition is ifAdmin up ifOper down. Observium send out alerts on both conditions true.
If a device is down, it receives no answer. I guess my question is, if it get no answer for configured conditions, would it alert?
Seems your answer is no it won¹t alert. If that¹s the case, then we are good.
On 12/17/14, 2:01 PM, "Adam Armstrong" adama@memetic.org wrote:
It isn't, and it won't.
Alerts are only generated when things are polled. If a device goes down, only a device status alert is generated.
Adam.
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On 17 December 2014 15:56:01 Zhenhui Liang ZhenhuiLiang@eharmony.com wrote:
Hi, Is it possible to aggregate alert emails? When a switch does fail, it might generate thousands of alerts. For our case maybe even thousands of txt messages to a pager. Is it possible to configure observium to detect such kind of massive alerts and aggregate them to only send a few alerts out?
Thanks.
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