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Are there any visualisations for hd-idle log files? (github.com)

submitted 2 months ago by [email protected] to c/[email protected]

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I am using hd-idle (see link) to spin down my one external hard drive on my RPI server. It is not used for large parts of the day and night so it has been quite useful to set up hd-idle, which spins down the drive after an hour or so of no activity.

Now hd-idle can generate a log file where it notes down some data, e.g. when the drive was spun down, how long it was running, what time it spun down.

You can read the file to get an impression how well it works, but I'd like to see the data visualised or analysed in some way. Seeing the past month of how often per day the drive was spun down, or average length of long it was running and so on.

Searching online I couldn't really find anything. Maybe anybody here knows more? Or what ways of recording and looking at this type of data are you using?

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[–] [email protected] 2 points 2 months ago (1 children)

I don't know how hd-idle stores its data, but sysstat and some other utilities will log I/O on a per-device data and there are utilities that can graph it.

[–] [email protected] 2 points 2 months ago

Data is stored in a log file, which is why I wondered if someone already made a solution that just parses that and presents it as graphs. Couldn't find that myself but seems like it does not exist.