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Stacked on #2698 (which sits on #2694, #2685 and #2679); this PR's own change is the top commit, "Alert on the Unraid temperature an agent disk shows", plus a merge of main for an alerts.md anchor both touched. ## Why A host agent's physical disk can show a temperature that only the host's Unraid inventory reports: - a SMART row whose smartctl probe returned no temperature takes its Unraid row's reading (`HostSMARTDiskTemperature`), and - a disk only the inventory lists, such as a `--disk-exclude` match, is built from its Unraid row alone (`HostUnraidDiskTemperature`). Physical Disks (Temp cell and the `Running Hot` verdict, "at or above its alert threshold") and Patrol judge that reading against the alert disk temperature policy, but `CheckHost` only read the SMART row's own field. A disk could read as at its alert threshold while no alert fired. Unraid's own warning/critical disk temperature notifications do not make this redundant: Pulse already alerts on the smartctl readings and array state of the same hosts, which Unraid also notifies on. ## What changes - `unifiedresources.HostDiskTemperatureReadings(host)` lists the reading each of a host's disks shows, built with the registry's own adapters: one per SMART row the registry ingests, then one per Unraid row whose disk key no SMART row carries (the same rule as the history writer in #2698). - `CheckHost` judges those readings: - SMART rows keep their `agent:<host>/disk_temp:<device>` resource IDs. An inventory-only disk uses its block device token, which is the ID a plain Linux SMART row for that device uses, so a later SMART reading continues the same alert. - Per-type thresholds and host overrides use the disk type the disk shows. - Only a reading collected now fires or resolves, so a spun-down disk holds its alert. - When conflicting serials put two disks on one device, its alert judges the reading that stands highest against its own type's threshold. - An inventory-only disk matching the agent's `--disk-exclude` raises nothing, and an alert it raised before the exclusion resolves on the next report. This matches the documented exclusion from monitoring and how linked Proxmox hosts already treat excluded disks. - Absence cleanup still runs only on a non-empty SMART list. ## Verification - New alert tests in `internal/alerts/host_unraid_lifecycle_test.go` cover: the fallback, an inventory-only disk, an empty SMART list, two disks on one device (also of different types), a controller member under another device label, standby, exclusion, disk-type and host-override thresholds, holds, handover to a SMART reading, departure, and the exclusion clear. - Each fails on the previous `host.go`. - Removing any guard (exclusion skip, exclusion clear, disk type, collected-now, threshold ranking) fails its own test. - `TestHostDiskTemperatureReadingsMatchTheDisksTheRegistryShows` compares every reading with the disk the live registry ingests, including conflicting serials, a virtual device and a MegaRAID member Unraid lists under its block device. - `go test ./internal/alerts/... ./internal/unifiedresources/...` passes on the merged tree, as do the Unraid/SMART/temperature tests in `internal/monitoring`.
Pulse documentation
Start here for installation, platform setup, security, operations, and Pulse Intelligence. Commands, configuration keys, image names, API fields, and product identifiers remain untranslated in localized guides.
Start here
- Install Pulse — signed Proxmox/Linux installation, Docker, Docker Compose, Kubernetes, and first-run setup.
- Production deployment and security — least-privilege Proxmox setup, root-agent boundaries, discovery, supply-chain verification, plan limits, scale evidence, and a rollout checklist.
- Upgrade from Pulse v5 — migration prerequisites, rollback, agent continuity, and post-upgrade checks.
- Releases and update channels: choosing Stable or Preview, beta and RC expectations, and how releases are tested and promoted.
- Configure Pulse — authentication, notifications, discovery, retention, and system settings.
- Deployment models — data locations, lifecycle, and differences between supported deployment paths.
- Troubleshooting and FAQ — common failures, diagnostics, and operator questions.
Localized getting started guides: Deutsch · Español
Platforms and agents
- Proxmox Backup Server
- Proxmox Mail Gateway
- Docker and Podman
- Kubernetes and Helm
- TrueNAS SCALE and CORE
- Unified Agent
- Agent security
- VM disk monitoring
- ZFS monitoring
- Temperature monitoring
VMware vSphere support is early access. Current builds expose dedicated vSphere inventory and recovery context, but operators should validate the integration against their own vCenter before production use.
Monitoring and operations
- Metrics history
- Recovery data
- Webhooks
- Automatic updates
- Centralized agent management (Pro)
- Operational trust model
- Current product screenshots
Pulse Intelligence
- Assistant, Patrol, and external-agent overview
- Patrol modes and safety
- Assistant safety model
- External agent HTTP and MCP substrate
Patrol watch-only analysis is available on Community with a local model or the operator's own provider. Investigation and governed fixes require the relevant Pulse Pro capabilities.
Security, privacy, and access
- Production deployment and security
- Security review scope
- Authentication and credential storage review packet
- Security guide
- Privacy and telemetry disclosure
- OIDC and SSO
- Proxy authentication
- Role-based access control (Pro)
- Audit logging (Pro)
- Reverse proxy configuration
- Code-signing policy
Plans and managed access
- Community, Relay, and Pro capabilities
- Relay and Pulse Mobile handoff
- Multi-tenant organizations (Enterprise/custom)
- Provider-hosted MSP operations (request-assisted)
Pulse Cloud is not generally available. Ordinary self-hosted Pulse remains the primary installation path; MSP and Enterprise access are explicit commercial paths rather than defaults in self-hosted setup.
Development and reference
Detailed design notes and dated migration specifications may remain in this directory for maintainers, but they are not operator setup guides unless they are linked from the sections above.
Previous versions and migrations
- Upgrade from v4 to v5
- Retired unified-navigation migration — historical context only; current Pulse uses platform-shaped navigation.
- Move a Pulse installation
Found a bug? Use the issue forms. For setup questions, use GitHub Discussions.