Host software RAID insufficient drives critical
MD RAID array {{ $labels.device }} on {{ $labels.instance }} has insufficient drives remaining.
>>>
((
- on(device, instance)
{state="active"}) > 0)
The rule subtracts the number of active disks (node_md_disks{state="active"}) from the total disks required for the RAID array (node_md_disks_required); if this difference is > 0, indicating the array has fewer active drives than needed, the alert is triggered.
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