Adding upstream version 1.44.3.upstream/1.44.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+<!--startmeta
+custom_edit_url: "https://github.com/netdata/netdata/edit/master/collectors/diskspace.plugin/README.md"
+meta_yaml: "https://github.com/netdata/netdata/edit/master/collectors/diskspace.plugin/metadata.yaml"
+sidebar_label: "Disk space"
+learn_status: "Published"
+learn_rel_path: "Data Collection/Linux Systems"
+most_popular: False
+message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE COLLECTOR'S metadata.yaml FILE"
+endmeta-->
+
+# Disk space
+
+
+<img src="https://netdata.cloud/img/hard-drive.svg" width="150"/>
+
+
+Plugin: diskspace.plugin
+Module: diskspace.plugin
+
+<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" />
+
+## Overview
+
+Monitor Disk space metrics for proficient storage management. Keep track of usage, free space, and error rates to prevent disk space issues.
+
+
+
+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
+
+The plugin reads data from `/proc/self/mountinfo` and `/proc/diskstats file`.
+
+#### 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 mount point
+
+
+
+Labels:
+
+| Label      | Description     |
+|:-----------|:----------------|
+| mount_point | Path used to mount a filesystem |
+| filesystem | The filesystem used to format a partition. |
+| mount_root | Root directory where mount points are present. |
+
+Metrics:
+
+| Metric | Dimensions | Unit |
+|:------|:----------|:----|
+| disk.space | avail, used, reserved_for_root | GiB |
+| disk.inodes | avail, used, reserved_for_root | inodes |
+
+
+
+## Alerts
+
+
+The following alerts are available:
+
+| Alert name  | On metric | Description |
+|:------------|:----------|:------------|
+| [ disk_space_usage ](https://github.com/netdata/netdata/blob/master/health/health.d/disks.conf) | disk.space | disk ${label:mount_point} space utilization |
+| [ disk_inode_usage ](https://github.com/netdata/netdata/blob/master/health/health.d/disks.conf) | disk.inodes | disk ${label:mount_point} inode utilization |
+
+
+## Setup
+
+### Prerequisites
+
+No action required.
+
+### Configuration
+
+#### File
+
+The configuration file name for this integration is `netdata.conf`.
+Configuration for this specific integration is located in the `[plugin:proc:diskspace]` section within that file.
+
+The file format is a modified INI syntax. The general structure is:
+
+```ini
+[section1]
+    option1 = some value
+    option2 = some other value
+
+[section2]
+    option3 = some third value
+```
+You can edit the configuration file using the `edit-config` script from the
+Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/configure/nodes.md#the-netdata-config-directory).
+
+```bash
+cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata
+sudo ./edit-config netdata.conf
+```
+#### Options
+
+You can also specify per mount point `[plugin:proc:diskspace:mountpoint]`
+
+<details><summary>Config options</summary>
+
+| Name | Description | Default | Required |
+|:----|:-----------|:-------|:--------:|
+| update every | Data collection frequency. | 1 | no |
+| remove charts of unmounted disks | Remove chart when a device is unmounted on host. | yes | no |
+| check for new mount points every | Parse proc files frequency. | 15 | no |
+| exclude space metrics on paths | Do not show metrics (charts) for listed paths. This option accepts netdata simple pattern. | /proc/* /sys/* /var/run/user/* /run/user/* /snap/* /var/lib/docker/* | no |
+| exclude space metrics on filesystems | Do not show metrics (charts) for listed filesystems. This option accepts netdata simple pattern. | *gvfs *gluster* *s3fs *ipfs *davfs2 *httpfs *sshfs *gdfs *moosefs fusectl autofs | no |
+| exclude inode metrics on filesystems | Do not show metrics (charts) for listed filesystems. This option accepts netdata simple pattern. | msdosfs msdos vfat overlayfs aufs* *unionfs | no |
+| space usage for all disks | Define if plugin will show metrics for space usage. When value is set to `auto` plugin will try to access information to display if filesystem or path was not discarded with previous option. | auto | no |
+| inodes usage for all disks | Define if plugin will show metrics for inode usage. When value is set to `auto` plugin will try to access information to display if filesystem or path was not discarded with previous option. | auto | no |
+
+</details>
+
+#### Examples
+There are no configuration examples.
+
+