Re: {OT] Re: Installing IMA (Integrity Measurement Architecture) on CentOS 5.5

["Denniston, Todd A CIV NAVSURFWARCENDIV Crane" <todd.denniston@xxxxxxxx>]

> -----Original Message-----
> From: centos-bounces@xxxxxxxxxx [mailto:centos-bounces@xxxxxxxxxx] On
> Behalf Of Rajagopal Swaminathan
> Sent: Thursday, March 24, 2011 14:49
> To: CentOS mailing list
> Subject:  {OT] Re: Installing IMA (Integrity Measurement
> Architecture) on CentOS 5.5
> 
> Greetings,
> 


> Having said that, I have this troubling thought for last decade: What
> exactly is high availability: is it 24/7 power on time? or is ti "when
> needed". Please not it am not talking about the maybe arrogant  "on
> demand" attitude of a human.
> 

You probably don't want it to be your only reference, but in my opinion
Wikipedia has a pretty good first pass definition of high availability
[1] means between you and your boss, i.e., "...a prearranged level of
operational performance will be met during a contractual measurement
period."

> This under extreme circumstances in India like 4 hours of (Electrical
> Power Load Shedding) outage every day

So have you and your boss prearranged a "level of operational
performance will be met during a contractual measurement period"?
Something like: The system will be available to the users in the
building 90% of the time when the local power grid is powered up?


[1] http://en.wikipedia.org/wiki/High_availability
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