RE: Shutdown Abort
- From: <Joel.Patterson@xxxxxxxxxxx>
- To: <randyjo@xxxxxxxxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 3 Jul 2007 11:44:52 -0400
Hmmm, True, but it was just an FYI anyway.
The controlled test would need to be doing something like this database
was - which was testing.
Joel Patterson
Database Administrator
joel.patterson@xxxxxxxxxxx
x72546
904 727-2546
________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Randy Johnson
Sent: Tuesday, July 03, 2007 9:08 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: RE: Shutdown Abort
With all due respect this was not a controlled test. So I'd be carefull
not to assume it was caused by the abort.
-Randy
Randy Johnson
Sr. Technical Consultant
Enkitec, LLP
Office ..... 817-255-3580
Mobile .... 817-564-6583
Email ..... randy.johnson@xxxxxxxxxxx
________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of
Joel.Patterson@xxxxxxxxxxx
Sent: Tuesday, July 03, 2007 7:11 AM
To: m.haddon@xxxxxxxxx; oracle-l@xxxxxxxxxxxxx
Subject: RE: Shutdown Abort
Well... I think this goes towards the conversation about whether it is
safe or not. No data is lost with TEMP... but others brought up the
issue that the database could have been writing blocks to the datafiles
just at that moment. (or tempfile)?
I don't believe data would be lost... (what if log buffer was being
flushed to redo log)? ... This can be discussed separately, but my
point goes to the argument that it saves time... which was what started
the thread.
Does it save time, if the tempfile fails verification tests... or if a
datafile needs recovery (aside from the fact that recovery is implicit
with shutdown abort).
Perhaps if you already had the drop/create tempfile statements ready...
you might say that in your particular situation, it saves time If you
manually shutdown startup. But it doesn't look like a particularly
best practices type of thing to automate reliably, (meaning you can
sleep through it).
.... I'm not drawing conclusions adamantly, but just pointing out what
actually happened. (It was a test environment).
Joel Patterson
Database Administrator
joel.patterson@xxxxxxxxxxx
x72546
904 727-2546
________________________________
From: Michael Haddon [mailto:m.haddon@xxxxxxxxx]
Sent: Tuesday, July 03, 2007 1:46 AM
To: Patterson, Joel; Oracle-L@Freelists
Subject: Re: Shutdown Abort
Hmmm.. I would be curious about what other data might be in a
questionable state,...
Joel.Patterson@xxxxxxxxxxx wrote:
Update FYI:
I just did a shutdown abort on 10.2.0.1 and got:
ORA-01187: cannot read from file 201 because it failed verification
tests.
Had to drop and re-create the TEMP tablespace....
Joel Patterson
Database Administrator
joel.patterson@xxxxxxxxxxx
x72546
904 727-2546
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