Simon Riggs wrote:
> On Fri, 2007-01-05 at 22:57 -0500, Tom Lane wrote:
> > Jim Nasby <[EMAIL PROTECTED]> writes:
> > > On Jan 5, 2007, at 6:30 AM, Zeugswetter Andreas ADI SD wrote:
> > >> Ok, so when you need CRC's on a replicate (but not on the master) you
> > 
> > > Which sounds to me like a good reason to allow the option in  
> > > recovery.conf as well...
> > 
> > Actually, I'm not seeing the use-case for a slave having a different
> > setting from the master at all?
> > 
> >     "My backup server is less reliable than the primary."
> > 
> >     "My backup server is more reliable than the primary."
> > 
> > Somehow, neither of these statements seem likely to be uttered by
> > a sane DBA ...
> 
> If I take a backup of a server and bring it up on a new system, the
> blocks in the backup will not have been CRC checked before they go to
> disk.
> 
> If I take the same server and now stream log records across to it, why
> *must* that data be CRC checked, when the original data has not been?
> 
> I'm proposing choice, with a safe default. That's all.

I am assuming this item is dead because no performance results have been
reported.

-- 
  Bruce Momjian   [EMAIL PROTECTED]
  EnterpriseDB    http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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