[Gllug] Redundant hosting recommendation

[Andrew Farnsworth]

You also need to determine if maintenance time is considered in your uptime
estimate.  If you site can be down from midnight to 2am without it impacting
anything and you schedule this as your normal maintenance window, then you should
not count it as down time.  If during the maintenance window you lose
connectivity / power / a server / a hard drive / etc.  Then that should count
because in many cases you won't be back up at the end of the window.

Andy

On Thu Nov  6 13:07 , 'Jose Luis Martinez' <jjllmmss at googlemail.com> sent:

>2008/11/6 Iain M Conochie iain at shihad.org>:
>> 
>> I am probably making this sound much more difficult than it really is:
>> however this is quite an undertaking. It is a complex process but one
>> that can be done. It will take time and patience but good luck!
>
>No, you are making it sound about right.
>
>I have seen companies that can really throw money at the issue still
>struggle with this. 100% uptime is of course unachievable, but it is
>worth checking with your provider(s) all pertinent statistics, one has
>also to be realistic with downtimes. In some systems  90% uptime is
>perfectly fine, one should not wear an straitjacket unless absolutely
>indispensable....
>
>> Cheers
>>
>> Iain

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