[Infrastructures] state machines

[Brandon S. Allbery KF8NH]

On Sep 19, 2006, at 22:42 , Wesley Craig wrote:

> On 19 Sep 2006, at 18:31, Tracy R Reed wrote:
>> Wesley Craig wrote:
>>> On 19 Sep 2006, at 12:14, Brandon S. Allbery KF8NH wrote:
>>>> (b) can you reliably record *and later restore* the state at  
>>>> *all*  of those levels?
>>> So, you're arguing that backup and restore don't work?  Is that   
>>> because of the quantum effects you mention?
>>
>> I'm not sure if you are joking here or not. If a photon hits your  
>> computer the quantum state of the computer is changed. I, for one,  
>> don't care about that as far as my software goes. Unless it gets  
>> to the point where my computer melts. But then I have problems  
>> other than software.
>
> I guess you can say I'm joking.  I'm pretty sure that backup &  
> restore work in most cases.  Brandon seemed to be saying that  
> backup & restore don't work.

You are misunderstanding; they work for what they do, but you'd best  
be aware of the parts of your infrastructure that aren't represented  
by local disk.  The recent mention of dependency on CNAMEs was a  
better example of what I was getting at.

-- 
brandon s. allbery    [linux,solaris,freebsd,perl]     allbery@kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery@ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH