Date: Fri, 3 Sep 2004 10:55:09 -0400 From: Bill Moran <wmoran@potentialtech.com> To: Andy Holyer <andyh@hhbb.co.uk> Cc: freebsd-questions@freebsd.org Subject: Re: Way OT: How long does your box run for? Message-ID: <20040903105509.3b70cfff.wmoran@potentialtech.com> In-Reply-To: <8F6BD2D2-FD85-11D8-8EBC-000D93511A6A@hhbb.co.uk> References: <8F6BD2D2-FD85-11D8-8EBC-000D93511A6A@hhbb.co.uk>
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Andy Holyer <andyh@hhbb.co.uk> wrote: > The other day I was explaining something to my boss (a suit), and I > mentioned that a FreeBSD box would easily run for a year or more. "Oh", > he said, "and then you've got to reboot it?". I explained that > generally some upgrade comes along that reqwuires a reboot, but I > realized that I don't know how long a box would stay up in the maximum. > So, come on, this should be fun, what's the biggest uptime you've ever > had for a BSD box? Aside from various uptime projects like the ones David commented on, it's generally not practical to go for long uptimes, for exactly the reasons you describe. In practice: My desktop generally maxes out at about 30 days uptime. Something comes up about once a month that causes me to reboot it. Sometimes it's as simple as a few days off from work, and I turn the computer off. Most of the servers I manage (which are all intended for 24/7 access) see about 3 months between reboots. That's an average. Some servers are more aggresively updated than others, and are rebooted more often. The fun part (for me) is that this is all _scheduled_ downtime. For the potentialtech.com server (for example) has about 3 hours of unscheduled downtime since Jan 1. And that downtime is the result of a failed UPS at the colo facility. It has 0 unscheduled downtime due to software issues. -- Bill Moran Potential Technologies http://www.potentialtech.com
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