Date: Mon, 18 Sep 2017 09:10:38 +0200 From: Ralf Mardorf <ralf.mardorf@rocketmail.com> To: freebsd-questions@freebsd.org Cc: galtsev@kicp.uchicago.edu Subject: Re: Disk not spinning up Message-ID: <20170918091038.5d047eeb@moonstudio> In-Reply-To: <58939.76.193.16.42.1505689766.squirrel@cosmo.uchicago.edu> References: <20170917214321.8fd2157b.freebsd@edvax.de> <bea2ec4d-9328-4aeb-d4c5-be939ed49dc1@FreeBSD.org> <20170917225042.abab307c.freebsd@edvax.de> <20170917230229.378686f0@archlinux.localdomain> <58939.76.193.16.42.1505689766.squirrel@cosmo.uchicago.edu>
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On Sun, 17 Sep 2017 18:09:26 -0500 (CDT), Valeri Galtsev wrote: >As you, Mr. Polytropon, have disassembled the drive already, hence >have nothing to loose, try to clean that if you manage to access that >area. OTOH that the drive was opened one time, does not make it insignificantly risky to open it a second time. Opening the hard disk much likely was a big mistake. [1] I only would risk it a second time, if anything else doesn't help. 2 Cents, Ralf [1] Begin forwarded message: Date: Mon, 18 Sep 2017 00:07:01 +0000 From: MAILER-DAEMON@yahoo.com Subject: Failure Notice Sorry, we were unable to deliver your message to the following address. [snip] Date: Sun, 17 Sep 2017 22:53:11 +0200 [snip] Subject: Re: Disk not spinning up [snip] On Sun, 17 Sep 2017 20:57:27 +0100, Matthew Seaman wrote: >This is one place where percussive maintenance is justified. If you >can tap the drive in just the right way as it is trying to spin up, >you may be able to get it past the first few turns, after which it >should be able to gather enough momentum to keep going. You want to >hold the drive flat on the table, and tap the corner of the drive so >that it rotates in the same plane that the platters do. You'll have to >experiment to see what's most effective. +1 I had success with brute force. Opening the hard disk much likely was a big mistake. However, if my drives fail with this click-click noise and something should be missing by the backups, I demount the drives, but let them connected to the PSU and mobo, then I hit the drives from all directions with increasing force, from soft with the hand to not that soft with a stick, not necessarily while lying flat on a table. .
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