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[74.141.88.147]) by smtp.googlemail.com with ESMTPSA id m133sm2103268itb.31.2017.09.17.13.29.07 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 17 Sep 2017 13:29:07 -0700 (PDT) Message-ID: <59BEDB12.2090600@gmail.com> Date: Sun, 17 Sep 2017 16:29:06 -0400 From: Ernie Luzar User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Polytropon CC: FreeBSD Questions Subject: Re: Disk not spinning up References: <20170917214321.8fd2157b.freebsd@edvax.de> In-Reply-To: <20170917214321.8fd2157b.freebsd@edvax.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Sep 2017 20:29:08 -0000 Polytropon wrote: > This is more a hardware question than a FreeBSD question, but > as FreeBSD is involved, I think it's worth being asked here > due to the experienced, intelligent, creative and (in an > entirely positive sense) "unusual" participants on this list. > > I have a harddisk Quantum Fireball with ca. 1 GB capacity > (yes, that's GB, not TB). It's a (P)ATA / "IDE" disk with > a 40 pin connector for a flat cable, configured as master. > > The disk has been in use in a system that I built around 1995 > and which I occasionaly used over the years. The last system > activation was yesterday. Today, the disk just didn't spin up > again. > > After extracting the disk from the system and using my fine > "forensics adaptor" to power it, it made short cranking sounds > (ca. 1 per second) and short beeps from time to time, then went > silent. I can repeat this. > > Now I probably did something stupid, but a radio amateur friend > had success with this approach on a 40 MB disk (yes, that's MB, > not GB). I _opened_ the disk (with gloves, face mask and cap, > just to minimize the dust falling from my head into the disk) > and saw the central motor "rotate" clockwise and counterclockwise > for less than 1/4 rotation. I tried to "help" the disk spin up > as you can imagine, but it would not do so. > > My question: > > Had anyone had success getting such a disk work again? Is it > worth searching my "museum" for a replacement controller? Or > does it look more like a motor failure than a controller failure? > > I can read the disk with my "forensics adapter" like this (tested > with the other 1.2 GB disk from the same system): > > $ sudo mount -t msdosfs -o ro /dev/da3s1 /mnt > > That's the FreeBSD-related part in this question. But of course, > a disk not spinning up won't be recognized by the system. I'd like > to at least access the disk once to copy as much as I can. > > Are there any ideas, options, chances, suggestions or experiments > other than "throw it out of the window"? :-) > > > The bearing the disk platters rotate on has lubricant that with usage and time has dried out somewhat. Taping the top side of the drive on a flat surface some times works. The best approach is to per-warn up the drive hardware before trying to power it on. Put a bear light bulb or shine a flood light from a close distance on to the metal covered side, IE; not the circuit board side, until it gets almost to hot to touch. Then power it on and and away you go almost every time this happens. Good luck.