[Infrastructures] state machines

[Brandon S. Allbery KF8NH]

On Sep 19, 2006, at 16:50 , 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 saying in (hopefully) rare cases it could matter.  But even in  
the general case your machine's state can involve more than just the  
disk, and unless you're doing extra work the backups only save the  
state of the disk.

-- 
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