Excluding deallocated VMs from availability alerting (3/3: Alert rule excluding deallocated VMs)

By Christoph Petersen in Azure on

This problem is probably as old as there are monitoring tools on the market. “How can I exclude legitimately deallocated VMs from alerting” is a question that I’ve heard many times. Where most monitoring tools such as System Center Operations Manager have tooling around the concept of maintenance mode where all alerts are suppressed for a duration of time; Azure Monitor has no provisions at this point.…

Excluding deallocated VMs from availability alerting (2/3: Validate VM state)

By Christoph Petersen in Azure on

This problem is probably as old as there are monitoring tools on the market. “How can I exclude legitimately deallocated VMs from alerting” is a question that I’ve heard many times. Where most monitoring tools such as System Center Operations Manager have tooling around the concept of maintenance mode where all alerts are suppressed for a duration of time; Azure Monitor has no provisions at this point.…

Excluding deallocated VMs from availability alerting (1/3: Track VM state)

By Christoph Petersen in Azure on

This problem is probably as old as there are monitoring tools on the market. “How can I exclude legitimately deallocated VMs from alerting” is a question that I’ve heard many times. Where most monitoring tools such as System Center Operations Manager have tooling around the concept of maintenance mode where all alerts are suppressed for a duration of time; Azure Monitor has no provisions at this point.…

Azure Monitor alert time period vs. ago()

By Christoph Petersen in Azure on

Every once in a while you might need to create an alert which runs a Log Analytics or Application Insights query. When designing the alert you need to define some attributes: the query, the time period, the frequency and the threshold.…

Alert on requests/s for Azure App Service

By Christoph Petersen in Azure on

A customer of mine had the following rule configured: It was his expectation that this rule would be triggered when in the last five minutes at some point more that 200 requests/s were being made to the App Service. Unfortunately this is not the case.…

Use Change Tracking to monitor file deployment

By Christoph Petersen in Change Tracking on

Photo by Ilya Pavlov / Unsplash Change Tracking is a versatile feature that allows to monitor changes on a system (both Windows and Linux). Change tracking covers software installation, changes to services, daemons, Registry and the file system. This is available for both cloud based (Azure, AWS, GCP), on-premises and service provider hosted systems (given network connectivity to Azure).…

Azure Monitor Container Health Public Preview

By Christoph Petersen in Azure on

Photo by frank mckenna / Unsplash Monitoring the container infrastructure which is running your applications is important. With the emergence of managed Kubernetes such as Aure Container Service (AKS) this becomes more tricky as part of the infrastructure is managed by somebody else.…