Date: Sun, 16 Oct 2022 21:53:31 +0000 From: void <void@f-m.fm> To: freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: zfs with operations like rm -rf takes a very long time recently Message-ID: <528a0bcc-6bcd-4d66-aeff-273542deb21d@app.fastmail.com> In-Reply-To: <CANCZdfq5bUWvc649Xi0gNBSe3y95B5zeLOJ29DjP=FG3CzCcjQ@mail.gmail.com> References: <f25d069a-2ee7-491a-a5ef-a14b973c12e2@app.fastmail.com> <CAOtMX2jW1s8n_FGez4-sCMBnbd-GDUoj9Sx83gaTBTEuW58HQw@mail.gmail.com> <1625dc7b-81c4-4350-8f86-1b65f5a860d9@app.fastmail.com> <CAOtMX2hjGnpLgs2vD1pTELK-nF9nBORhCj57zyYmkEmHAGohnQ@mail.gmail.com> <64a0af42-630d-4f42-8b8c-921b68b03078@app.fastmail.com> <CANCZdfq5bUWvc649Xi0gNBSe3y95B5zeLOJ29DjP=FG3CzCcjQ@mail.gmail.com>
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On Sun, 16 Oct 2022, at 16:51, Warner Losh wrote: > The only thing that looks high here is the load cycle count and maybe > the power off retract count. With > 40k power on hours, that's a power off every 90 hours? That seems a > little weird. And the load cycle > is almost 20 times the power on hours, suggesting it's going on every > few minutes. That's higher than > I'd expect as well. The power cycle count is also high for the number > of hours. Your disk is pushing 4 years > old too, which may mean its past expected life. So this profile > suggests possible signs of fatigue. Thanks for the explainer. The disk is a dedicated ruggedised external disk. Before it was used in a stationary context with the pi, it'd be lugged around with a netbook or laptop, hence the large number of powercycles.
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