BAOI · RESEAU
IT Supervisory Centre
Build an effective IT monitoring plan
Ping alone is not enough. Monitor server health, storage, backups, email, telephony and business applications with service-specific checks.
Monitoring plan
- Inventory assets, service dependencies and business criticality.
- Track useful metrics such as disk, load, certificates, backup jobs, latency and application probes.
- Set thresholds, escalation contacts, maintenance windows and alert deduplication.
FAQ
Does a reachable server mean the service works? No. An application or backup can fail even when the host responds.
How do you reduce alert noise? Tune delays, dependencies and duplicate notifications.
From an IT monitoring alert to a verified resolution
Before changing a threshold or restarting a service, confirm the alert using an independent observation, estimate business impact and identify related alerts. A responding host can still have an unavailable application or a failed backup.
Quick incident triage
- Confirm the symptom from a second source: application probe, system logs or a separate network vantage point.
- Identify the affected business service, its users and dependencies such as internet links, DNS, authentication and storage.
- Compare current readings with the normal baseline, threshold and how long the condition has lasted.
- Group simultaneous alerts by shared dependencies to avoid treating the same root cause repeatedly.
- Record acknowledgement time, evidence, actions, escalation and recovery confirmation.
Decision guide by alert type
- Host unreachable: test connectivity from another location, upstream gateway, power and virtualization host before restarting agents.
- Service down while host responds: review process state, listening port, authentication and service dependencies.
- Resource threshold exceeded: inspect duration and trend before changing alert limits or allocating resources.
- Many alerts at once: search for a shared network, hypervisor, DNS, cloud or storage dependency.
- Backup failure: validate the job, target capacity and application writers; do not infer recoverability from a successful heartbeat.
Close an incident with evidence
- Verify the metric or service is healthy and confirm independently.
- Document cause, timestamps, corrective action and any remaining risk.
- Adjust alert thresholds only with supporting observations; schedule preventive work if recurrence is likely.
Collect evidence with read-only commands first and apply one controlled change at a time. Do not upload secrets, credentials or confidential logs to external monitoring services without authorization.