The next table contains details about the metrics collected by the node_exporter.

File system metrics

item metric group metric type description
1 node_filesystem
device LABEL Device of the filesystem
mountpoint LABEL Mount point of the filesystem
fstype LABEL The type of filesystem
size_bytes GAUGE Filesystem size in bytes
avail_bytes GAUGE Filesystem space available to non-root users in bytes
files GAUGE Filesystem total file nodes
files_free GAUGE Filesystem total free file nodes
device_error GAUGE Whether an error occurred while getting statistics for the given device