Re: [GENERAL] Do we need more emphasis on backup?

pgman wrote:
> Jim Seymour wrote:
> > Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > >
> > [snip]
> > >
> > > We do need to point out that you're only as reliable as your last
> > > backup. I'm not sure exactly where to say this.
> > [snip]
> > >
> >
> > Hmph. Backups are for mitigation against a catastrophic failure
> > destroying or corrupting main storage. And even then: Subtle errors
> > can induce data corruption that may go un-noticed until it's too late.
> > (I.e.: The last correct backups have been over-written, retired, so
> > old they've become unreadable, so old the data's no longer useful,
> > etc.)
> >
> > My position is that your data is only as reliable as your hardware,
> > period. Use cheap (usually PC, sorry) hardware and, well... I wonder
> > how many people are aware of the fact that the cheaper PCs don't even
> > have parity memory anymore? Then there are the issues with IDE
> > drives. (Don't recall those, exactly - don't use 'em.)
>
> There is a basic misconception that all PC hardware is created equal ---
> that hard drives, mother boards, and RAM are all the same because they
> are all PC-compatible. Compatible != Similar Quality.
>
> Not sure where we would document this. :-(
>
> Running BSD, I have always had to buy server-class hardware for my home
> machines, and I never regretted it nor had a problem.

Should I add an FAQ discussing hardware selection and the importance of
reliable hardware?

--
Bruce Momjian | http://candle.pha.pa.us
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