Re: [cobalt-users] 99.9% up time

["Roger Weiss" <CobaltList@xxxxxxxxxxx>]

> Note: 70% of down time is due to *administrator error*. High availability
> is more to do with good procedures than technological tricks.

Unless you are on NT and allow your customers to do things like write ASP
pages or cgi scripts in PERL....

----- Original Message -----
From: Colin Smith <colin@xxxxxxxxxxxxxxxxxxxx>
To: <cobalt-users@xxxxxxxxxxxxxxx>
Sent: Thursday, April 06, 2000 4:09 PM
Subject: Re: [cobalt-users] 99.9% up time


> On Mon, 3 Apr 2000, New Wave Industries, Inc. wrote:
>
> > I want to garanty a 99.9% up time to my customers.
> > I have an idea on how to do it but I need some advise..
> > I was thinking about imaging the rack once a day on another backup rack
> > If anyone has done this before or has been doing it please let me
know....
> > Any information on garanting a 99.9% up time would be very
apprechiatted.
>
> 99.9% is 9 hours per year, that's easy. All you need for that is a good
> UPS and a guaranteed network link. The box will do 99.9% all on it's own.
> It's worth mirroring it's internal disks though just to be sure.
>
> 99.99% and above you'll need a cluster of some sort. Join the Linux HA
> mailing list. There are some software tools which'll mirror writes to
> backup servers as they happen. They are on the linux HA web site.
>
> Note: 70% of down time is due to *administrator error*. High availability
> is more to do with good procedures than technological tricks.
>
> >
> > Thanks,
> >
> > Steve
> >
> >
>
> --
> |Colin Smith:  Colin.Smith@xxxxxxxxxxxxxxxxxxxx  |   Windows 2000    |
> |Configuration management library for Unix/Linux |        AKA        |
> |    http://www.yelm.freeserve.co.uk/libcfg/     |    The W2K Bug    |
>
>
>
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