RE: datapump export to pipe

  • From: "Dunbar, Norman" <norman.dunbar@xxxxxxxxxxxxxxxxxxxxxxxxx>
  • To: "Oracle-L" <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 7 Oct 2009 09:13:52 +0100

Morning Rich,

(I now have posting rights - thanks all)

>> Think of this situation from my perspective:  We rely on 
>> exp/imp for our regular database environment refreshes.  The only way
that can be
>> accomplished today (and in the foreseeable future) is by using
on-the-fly
>> compression.  If I can't do that anymore, I either need to request an
>> estimated 10x more disk or $90K + $20K/annual for the 
>> one-size-fits-all "advanced" compression from Oracle.

How about using RMAN duplication to build/refresh your test environment?
We do it here for a couple of ours. We take an RMAN backup (and under
10g I believe there is compression - we are on 9i still) and with a
quick NFS mount of the production archivelog location, we have a cloned
test database.

Not much use, I admit, if you only want a subset of the schemas in your
production database, but we clone the lot.

HTH

Cheers,
Norm.


Norman Dunbar
Contract Oracle DBA
CIS Engineering Services
Internal : 7 28 2051
External : 0113 231 2051


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