Disk Category

node_disk_bytes_read

Description: This metrics gives the total number of bytes read successfully.

Sample Query: sum(irate(node_disk_bytes_read[1m])) by (instance)

Labels:

  • Label: instance

    Label Description: the virtual machine/instance

    Example: master-0, control-0, dra-director-1, etc

  • Label: job

    Label Description: the name of job

    Example: node_exporter

  • Label: device

    Label Description: the name of the disk device

    Example: vdb, vdd, sr0

node_disk_read_time_seconds_total

Description: This metrics gives the total number of seconds spent by all reads

Sample Query: sum(irate(node_disk_read_time_seconds_total[1m])) by (instance) / sum(irate(node_disk_reads_completed_total[1m])) by (instance)

Labels:

  • Label: instance

    Label Description: the virtual machine/instance

    Example: master-0, control-0, dra-director-1, etc

  • Label: job

    Label Description: the name of job

    Example: node_exporter

  • Label: device

    Label Description: the name of the disk device

    Example: vdb, vdd, sr0

node_disk_reads_completed_total

Description: This metrics gives the total number of reads completed successfully.

Sample Query: sum(irate(node_disk_reads_completed_total[1m])) by (instance)

Labels:

  • Label: instance

    Label Description: the virtual machine/instance

    Example: master-0, control-0, dra-director-1, etc

Labels:

  • Label: job

    Label Description: the name of job

    Example: node_exporter

  • Label: device

    Label Description: the name of the disk device

    Example: vdb, vdd, sr0

node_disk_write_time_seconds_total

Description: This metrics gives the total number of seconds spent by all writes

Sample Query: sum(irate(node_disk_write_time_seconds_total[1m])) by (instance) / sum(irate(node_disk_writes_completed_total[1m])) by (instance)

Labels:

  • Label: instance

    Label Description: the virtual machine/instance

    Example: master-0, control-0, dra-director-1, etc

Labels:

  • Label: job

    Label Description: the name of job

    Example: node_exporter

Labels:

  • Label: device

    Label Description: the name of the disk device

    Example: vdb, vdd, sr0

node_disk_writes_completed_total

Description: This metrics gives the total number of writes completed successfully.

Sample Query: sum(irate(node_disk_writes_completed[1m])) by (instance)

Labels:

  • Label: instance

    Label Description: the virtual machine/instance

    Example: master-0, control-0, dra-director-1, etc

Labels:

  • Label: job

    Label Description: the name of job

    Example: node_exporter

Labels:

  • Label: device

    Label Description: the name of the disk device

    Example: vdb, vdd, sr0

node_disk_written_bytes_total

Description: This metrics gives the total number of bytes written successfully.

Sample Query: sum(irate(node_disk_written_bytes_total[1m])) by (instance)

Labels:

  • Label: instance

    Label Description: the virtual machine/instance

    Example: master-0, control-0, dra-director-1, etc

Labels:

  • Label: job

    Label Description: the name of job

    Example: node_exporter

Labels:

  • Label: device

    Label Description: the name of the disk device

    Example: vdb, vdd, sr0