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Write a Python script to check disk usage.

#1
02-12-2023, 12:04 PM
You know checking disk space keeps systems running smooth and I always remind you to watch those numbers closely before issues pop up. I think about using built in tools first when you start scripting for admins like us. But you grab a library that pulls partition info easy without much fuss. Then you fetch total space used free and percent full from the drives you target. Or perhaps you loop through all mounted spots to catch everything at once. Now I show you how it prints clean reports you can read fast on the console. Also you add checks that warn if space dips below a set mark you choose.
I hammer out the logic in my head by testing small parts on a test machine first. You see the output gives bytes converted to gigs for better sense of scale. But maybe you tweak it to email alerts when thresholds hit during busy hours. Then you run the thing as a scheduled task so it checks daily without you babysitting. I found that handling exceptions stops crashes when a drive goes offline sudden. Or you filter only certain volumes if the setup has many temp ones. Perhaps you log results to a file you review later in your shifts. Now the script becomes handy for spotting trends over weeks you track manually otherwise.
You build error checks that skip bad paths and keep going on the rest. I prefer simple prints at first then expand to more detailed stats you need for reports. But you consider user input for custom paths if the default scan misses key folders. Then the whole thing runs quick even on big servers you manage daily. Also I test it across different windows versions to ensure it behaves consistent. Or perhaps you add a function that compares current usage to past logs you store. Now it helps you plan upgrades before storage fills up tight. You gain peace when the tool flags problems early in your routine checks.
I like keeping the code light so you debug fast during on call nights. But you expand it later with more features like network share scans if needed. Then the output format stays readable for juniors you train on the job. Or you combine it with other monitors you already use in your stack. Perhaps the key stays in making it reliable for production servers you oversee. Now you see real value when it catches a fill up from logs growing wild. Also you share tweaks with the team so everyone benefits from your work.
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bob
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Joined: Dec 2018
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Write a Python script to check disk usage.

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