From owner-freebsd-hardware Sat Sep 20 10:10:16 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id KAA16018 for hardware-outgoing; Sat, 20 Sep 1997 10:10:16 -0700 (PDT) Received: from critter.freebsd.dk (critter.freebsd.dk [195.8.129.26]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id KAA16007 for ; Sat, 20 Sep 1997 10:10:08 -0700 (PDT) Received: from critter.freebsd.dk (localhost.cybercity.dk [127.0.0.1]) by critter.freebsd.dk (8.8.7/8.8.7) with ESMTP id TAA05096; Sat, 20 Sep 1997 19:08:26 +0200 (CEST) To: Mark Mayo cc: dave@persprog.com, freebsd-hardware@freebsd.org Subject: Re: HD failure; possible causes?? In-reply-to: Your message of "Sat, 20 Sep 1997 12:06:21 EDT." <19970920120621.31536@vinyl.quickweb.com> Date: Sat, 20 Sep 1997 19:08:26 +0200 Message-ID: <5094.874775306@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-hardware@freebsd.org X-Loop: FreeBSD.org Precedence: bulk In message <19970920120621.31536@vinyl.quickweb.com>, Mark Mayo writes: >On Sat, Sep 20, 1997 at 10:24:11AM -0400, Dave Alderman wrote: >> Mark Mayo wrote: >> > >> > Hi all. Well, this weekend I had a couple of CCD disk arrays go belly >> > up, >> > and I'm curious if anyone has had any experience with multiple disks >> > crashing at once. >> >> By any chance, is the air conditioning turned off on the weekend? > >No, and when I got there the fans were still working just fine. I don't >think it was a cooling problem, but it certainly might have cotributed >somehow. The leasing reasoning seems to suggest that vibration killed >them. Time for a better disk tower I suppose... or better disks at least. I saw a diskpack suffer instant death once because of a hammerdrill going into the wall from the other side. At a bad frequency it takes nothing. -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop."