Date: Mon, 26 Mar 2018 16:59:28 -0400 From: Mark Saad <nonesuch@longcount.org> To: Chuck Tuffli <chuck@tuffli.net> Cc: Michael Dexter <editor@callfortesting.org>, freebsd-fs@freebsd.org Subject: Re: smart(8) Call for Testing Message-ID: <CAMXt9NYMrtTNqNSx256mcYsPo48xnsa%2BCCYSoeFLzRsc%2BfQWMw@mail.gmail.com> In-Reply-To: <CAM0tzX1oTWTa0Nes11yXg5x4c30MmxdUyT6M1_c4-PWv2%2BQbhw@mail.gmail.com> References: <4754cb2f-76bb-a69b-0cf5-eff4d621eb29@callfortesting.org> <CAMXt9NbdN119RrHnZHOJD1T%2BHNLLpzgkKVStyTm=49dopBMoAQ@mail.gmail.com> <CAM0tzX1oTWTa0Nes11yXg5x4c30MmxdUyT6M1_c4-PWv2%2BQbhw@mail.gmail.com>
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On Mon, Mar 26, 2018 at 4:39 PM, Chuck Tuffli <chuck@tuffli.net> wrote: > On Mon, Mar 26, 2018 at 1:25 PM, Mark Saad <nonesuch@longcount.org> wrote: >> Mike / Chuck >> Silly question , how does it handle a failed disk ? > > It depends on how failed the device is. The application uses CAM to > send pass-through commands. So, if the device doesn't appear in > camcontrol devlist, you'd get "no such device" or a message from CAM > indicating you might need to load a module. If the device is still > registered with the system but not processing commands, I'd expect > (hope?) the commands to timeout. In either case, there may not be any > out put, but the exit status should be non-zero. > > On the other hand, if the disk is in some sort of Monty Python-eske > "I'm not dead" state and responds to SMART / admin commands, you could > see the output. > > --chuck I was thinking more along the lines of when smartctl reports the overall-health which is always a good time to read; and very Monty Python-eske SMART overall-health self-assessment test result: FAILED! Drive failure expected in less than 24 hours. SAVE ALL DATA. https://serverfault.com/questions/114196/smart-warns-me-but-i-dont-trust-it -- mark saad | nonesuch@longcount.org
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