Date: Sun, 16 Mar 2014 17:08:34 +0800 From: Erich Dollansky <erichsfreebsdlist@alogt.com> To: cruxpot <cruxpot@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Another case of the vanishing disk Message-ID: <20140316170834.56d90fe6@X220.alogt.com> In-Reply-To: <CAPYfQ9yJNZoOiOAm8oP9jsm2umhHnLLRWqE%2BeBJMjAyTueExeQ@mail.gmail.com> References: <CAPYfQ9z-YUzKDAh3=V3_m1wmDtds4NzcewTq0wLUD9LWt3VaGA@mail.gmail.com> <20140316130936.3f2d18e0@X220.alogt.com> <CAPYfQ9ycxEr%2B-qPBC6qY6tvLrTMqT3guU%2B8q%2BbK2_RAj=WH1tw@mail.gmail.com> <20140316134309.2edc258a@X220.alogt.com> <CAPYfQ9ztmzYWSRoNLJk2Z-mTAdDti48ZOJrKT0LEEpuWf5SqHg@mail.gmail.com> <20140316142213.459009dc@X220.alogt.com> <CAPYfQ9yUOXG7uHh120vuERZLggo3QQSguck9RcJn62h8-yugyw@mail.gmail.com> <20140316151807.140c7ead@X220.alogt.com> <CAPYfQ9wtVDV=o21YRhWxpC6M5dchG1LY9zzmX_BDQujKHg6tfA@mail.gmail.com> <CAPYfQ9yJNZoOiOAm8oP9jsm2umhHnLLRWqE%2BeBJMjAyTueExeQ@mail.gmail.com>
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Hi, On Sun, 16 Mar 2014 03:52:27 -0500 cruxpot <cruxpot@gmail.com> wrote: > > I will be stunned if it's yet another bad power supply, but I will > have to find another one somewhere and test this again. The drives are > all still under warranty. > there is still another tiny option. Your power line. Connect the machine to the UPS and unplug the UPS from the power line. The machine should now 100% run from battery. If you still get the failures, it is most likely something in the machine. As it all seems to be caused by the seek errors, can you take the drives out and let them run being on a table or chair. I have heard once from a strange problem with vibration. Just try to isolate the drives mechanically from the machine but keep them electrically connected. Erich
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