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diff --git a/collectors/proc.plugin/integrations/md_raid.md b/collectors/proc.plugin/integrations/md_raid.md new file mode 100644 index 000000000..ef78b8269 --- /dev/null +++ b/collectors/proc.plugin/integrations/md_raid.md @@ -0,0 +1,124 @@ +<!--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. + + |