mesh/merge-gate pass: builds new: modules/sensors, sent nowhere; no bus step; every machine composes with the change as it did without (4 of 4 compose)
The review of #129 found false alarms and a silent failure: the NVMe temperature bit, old-age
attributes, a fan's minimum or latched alarm, an unrelated hot sensor and a board chip's limits could
raise a condition, while a hung smartctl stopped the fans' looks and an old readings file passed as
healthy. Read spinning drives hourly (smartd too) so a read never keeps one from spinning down, and skip
a drive that cannot say whether it sleeps.
mesh/merge-gate pass: builds new: modules/sensors, sent nowhere; no bus step; every machine composes with the change as it did without (4 of 4 compose)
Temperatures against the hardware's own thresholds, fans, each drive's health and the kernel's error
counts, read-only. A root watch reads SMART so the tools need no root and never wake a sleeping drive;
smartd and the watch carry the health that raises a condition when the hardware says it is failing.
jochen