After a power cut my machine cannot boot

[Patrick O'Callaghan]

On Wed, 2015-09-09 at 21:11 -0400, Sam Varshavchik wrote:
> Paul Smith writes:
> 
> > Is there something, apart buying a UPS, that one can do in order to
> > minimize the severity of the damage that a power outage can cause?
> 
> A UPS, paired with auto-shutdown software is the best possible
> defense  
> against damage due to unexpected power loss. But that's merely a
> formality,  
> since apcupsd or nut should be able to support most retail UPSes you
> can buy  
> off the shelf.
> 
> I've never had filesystem damage in ~20 years I've been running off
> UPSes. I  
> usually have a power failure 1-2 times a year. Each time my UPSes
> gave me  
> sufficient time to log in to every server, and bring it down.
> 
> Even the few times one of them turned out to have a weak battery it
> still  
> had enough juice for the autoshutdown to kick in immediately, and
> bring the  
> server down all by itself, without waiting for me.
> 
> The money I've spent on all my UPSes has paid for itself over, and
> over  
> again.

I agree. I lived in South America for many years, where power was
unreliable (not just failures but brownouts and voltage variations) and
a UPS was essential. The one I had for several years wasn't well
supported on Linux but I used a journal and avoided serious problems.

poc