Skip site navigation (1) Skip section navigation (2)

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

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: PostgreSQL-general <pgsql-general(at)postgreSQL(dot)org>,PostgreSQL-documentation <pgsql-docs(at)postgreSQL(dot)org>
Subject: Re: [GENERAL] Do we need more emphasis on backup?
Date: 2004-07-05 19:09:17
Message-ID: 200407051909.i65J9Hu04344@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-docspgsql-general
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
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

Responses

pgsql-docs by date

Next:From: Tom LaneDate: 2004-07-05 23:15:39
Subject: Re: [HACKERS] bug in GUC
Previous:From: Tom LaneDate: 2004-07-04 23:35:31
Subject: Re: PostgreSQL 7.4 Documentation - 43.24. pg_proc

pgsql-general by date

Next:From: Ron St-PierreDate: 2004-07-05 21:21:48
Subject: Re: ERROR: tables can have at most 1600 columns
Previous:From: j0rd1 adameDate: 2004-07-05 19:06:34
Subject: Re: [ok] Re: Serials in where clause

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group