Date: Sat, 5 Feb 2005 22:46:56 -0500 From: Kenneth Jennings <ken_jennings@bellsouth.net> To: freebsd-questions@freebsd.org Subject: Re: Leaving a Computer Running ? Message-ID: <200502052246.57343.ken_jennings@bellsouth.net> In-Reply-To: <15210109162.20050206001338@wanadoo.fr> References: <200502051745.25937.hindrich@worldchat.com> <15210109162.20050206001338@wanadoo.fr>
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On Saturday 05 February 2005 18:13, Anthony Atkielski wrote: > Peterhin writes: [snip] > - Moving parts are not subjected to thermal and mechanical stresses of > starting and stopping. For example, disk drives and fans are under less > stress during continuous running than they are at the moment when they > start and stop. Failures are more likely to occur when a mechanical > part is started up than during continuous operation. Ah. I bet there are more than a few people here who can repeat a horror story about what happened when a long running server was shut down. I remember several years ago we had a HP server at work that had been running nonstop for about three years. One day, due to a major electrical upgrade in the computer room, the sysadmin had to cold start it. Three hard drives would not come back up. Everyone except the sysadmins had a four-day weekend. Since then they've switched to using multiple, redundant hot-swappable hardware. I have a file server in the house that runs continuously. It sits on an UPS. Everything else is shut down at night.
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