[pkg-go] Bug#916055: prometheus-node-exporter pulls disks out of standby every 15 minutes

Etienne Dechamps etienne at edechamps.fr
Sun Dec 9 17:13:41 GMT 2018


Package: prometheus-node-exporter
Version: 0.16.0+ds-2
Severity: normal

Release 0.16.0+ds-2 of prometheus-node-exporter introduces a
regression in which, as long as the package is installed in the
machine, drives that are in stand by mode (i.e. spun down) will be
woken up every 15 minutes.

This is unsurprising because this release introduces a new scheduled
job that runs smartmon.sh every 15 minutes, and smartmon.sh will
happily wake up hard drives to check on them (it does not pass the
--nocheck=standby option to smartctl).

The clean fix would be to make smartmon.sh pass the --nocheck=standby
option to smartctl.

A more immediate workaround is to disable the feature entirely:

# systemctl disable prometheus-node-exporter-smartmon.timer



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