From 517a443636daa1e8085cb4e5325524a54e8a8fd7 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Tue, 17 Oct 2023 11:30:23 +0200
Subject: Merging upstream version 1.43.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 collectors/proc.plugin/integrations/md_raid.md | 124 +++++++++++++++++++++++++
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 create mode 100644 collectors/proc.plugin/integrations/md_raid.md

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+<!--startmeta
+custom_edit_url: "https://github.com/netdata/netdata/edit/master/collectors/proc.plugin/integrations/md_raid.md"
+meta_yaml: "https://github.com/netdata/netdata/edit/master/collectors/proc.plugin/metadata.yaml"
+sidebar_label: "MD RAID"
+learn_status: "Published"
+learn_rel_path: "Data Collection/Linux Systems/Disk"
+message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE"
+endmeta-->
+
+# MD RAID
+
+
+<img src="https://netdata.cloud/img/hard-drive.svg" width="150"/>
+
+
+Plugin: proc.plugin
+Module: /proc/mdstat
+
+<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" />
+
+## Overview
+
+This integration monitors the status of MD RAID devices.
+
+
+
+This collector is supported on all platforms.
+
+This collector supports collecting metrics from multiple instances of this integration, including remote instances.
+
+
+### Default Behavior
+
+#### Auto-Detection
+
+This integration doesn't support auto-detection.
+
+#### Limits
+
+The default configuration for this integration does not impose any limits on data collection.
+
+#### Performance Impact
+
+The default configuration for this integration is not expected to impose a significant performance impact on the system.
+
+
+## Metrics
+
+Metrics grouped by *scope*.
+
+The scope defines the instance that the metric belongs to. An instance is uniquely identified by a set of labels.
+
+
+
+### Per MD RAID instance
+
+
+
+This scope has no labels.
+
+Metrics:
+
+| Metric | Dimensions | Unit |
+|:------|:----------|:----|
+| md.health | a dimension per md array | failed disks |
+
+### Per md array
+
+
+
+Labels:
+
+| Label      | Description     |
+|:-----------|:----------------|
+| device | TBD |
+| raid_level | TBD |
+
+Metrics:
+
+| Metric | Dimensions | Unit |
+|:------|:----------|:----|
+| md.disks | inuse, down | disks |
+| md.mismatch_cnt | count | unsynchronized blocks |
+| md.status | check, resync, recovery, reshape | percent |
+| md.expected_time_until_operation_finish | finish_in | seconds |
+| md.operation_speed | speed | KiB/s |
+| md.nonredundant | available | boolean |
+
+
+
+## Alerts
+
+
+The following alerts are available:
+
+| Alert name  | On metric | Description |
+|:------------|:----------|:------------|
+| [ mdstat_last_collected ](https://github.com/netdata/netdata/blob/master/health/health.d/mdstat.conf) | md.disks | number of seconds since the last successful data collection |
+| [ mdstat_disks ](https://github.com/netdata/netdata/blob/master/health/health.d/mdstat.conf) | md.disks | number of devices in the down state for the ${label:device} ${label:raid_level} array. Any number > 0 indicates that the array is degraded. |
+| [ mdstat_mismatch_cnt ](https://github.com/netdata/netdata/blob/master/health/health.d/mdstat.conf) | md.mismatch_cnt | number of unsynchronized blocks for the ${label:device} ${label:raid_level} array |
+| [ mdstat_nonredundant_last_collected ](https://github.com/netdata/netdata/blob/master/health/health.d/mdstat.conf) | md.nonredundant | number of seconds since the last successful data collection |
+
+
+## Setup
+
+### Prerequisites
+
+No action required.
+
+### Configuration
+
+#### File
+
+There is no configuration file.
+#### Options
+
+
+
+There are no configuration options.
+
+#### Examples
+There are no configuration examples.
+
+
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