Monitoring

Azure Monitor Storage Insights

Monitoring solution for storage accounts is called Azure Monitor Storage insights
Integrates with both Azure Monitor and storage accounts.
On portal, they can be viewed using: 2
1. Inside storage account to see single account
2. View from Azure Monitor to see all accounts in a grouped way
Deployed by default
It's free of charge, but additional configurations cost 1
Replaces former Storage Analytics Metrics
Metrics are visualized with thresholds using workbooks 1
- Workbooks can be pinned in dashboards
- By default it includes already configured workbooks such as "Overview", "Capacity"...
Metric dimensions: Authentication, ApiName, ResponseType, GeoType 2

Provide detailed information about successful and failed requests to a storage service.
Type of resource logs
- Enabled in Diagnostic settings
Includes fields such as time, resourceId, category (read, write or delete), operationName, statusCode, callerIpAddress... 1

Management-plane logs:
- Role assignments
- Regenerating Storage Account keys
- Changing Storage Account settings
❗️ Not data plane logs e.g. "new blob added"
- But they're resource logs e.g. "who created new storage account"
See also: Activity logs | Monitoring

❗ Retention period up to 365 days.
Contains
- Details of read, write, and delete operations
- Reasons for failed requests
Issues can be found through monitoring or reported by users
Data consists of
- Logs - shows detailed information about requests to a storage service
- Metrics
Write blobs to blocks immediately
- ❗ Can take an hour until available as flush is waited.
- Search +/- 15 minutes and based on log metadata
❗ 20 TB limit, independent of Storage Account total limit.
🤗 Microsoft Message Analyzer was GUI to analyze logs that was later dropped by Microsoft 1

Helps to monitor individual requests and to diagnose issues with a storage service.
❗️ Best effort logging, completeness and timeliness of are not guaranteed. 1
All logs are stored in block blobs in a container named $logs. 1
Logs include succeeded/failed requests with additional metadata such as
- HTTP status code, start time, end time, log type (write, read etc.)...
❗️ Replaced by Azure Storage logs in Azure Monitor 1