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Home -> Community -> Mailing Lists -> Oracle-L -> RE: Hot Backup Theory Revisited:
Doh. I was so focused on the file names I missed the database name change.
mwf
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Mark W. Farnham
Sent: Monday, June 28, 2004 1:36 PM
To: oracle-l_at_freelists.org
Subject: RE: Hot Backup Theory Revisited:
Slight correction.
re:
"I have to do it this way as the database name and file structure names
change slightly."
It is probably easier for you to do it this way, but you also *could* use datafile renaming. That still works, so if someone finds themselves with only the "binary" controlfile on hand they are still not painted into a corner. It's a little trickier, since you have to have the database at the right point in a warm start and get the syntax right instead of just knowing your favorite text editor. As usual I recommend belts AND suspendors. Backup to trace and backup controlfile, and stash them both on tapesets.
mwf
-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Hodgkinson, Stephen
Sent: Sunday, June 27, 2004 7:30 PM
To: 'oracle-l_at_freelists.org'
Subject: RE: Hot Backup Theory Revisited:
Thanks everybody,
After I have backed up all the tablespaces I issue an ' alter database backup controlfile to trace'
I then recreate the controlfile using the SQL.
I have to do it this way as the database name and file structure names change slightly.
Mike the idea that it might already be in backup mode could be a good one. We do get alarms if our tablespace our left in Backup mode but this now seems the only logical explanation.
Stephen.
-----Original Message-----
From: Khedr, Waleed [mailto:Waleed.Khedr_at_FMR.COM]
Sent: Saturday, 26 June 2004 3:20
To: oracle-l_at_freelists.org
Subject: RE: Hot Backup Theory Revisited:
Updates/Writes to the file during the O/S copy process, possibly, makes = the copied file inconsistent.
Waleed
-----Original Message-----
From: Guang Mei [mailto:gmei_at_incyte.com]
Sent: Friday, June 25, 2004 1:03 PM
To: oracle-l_at_freelists.org
Subject: RE: Hot Backup Theory Revisited:
Why OS copy of control file won't work?
Guang
> -----Original Message-----
Guang,
Under normal circumstances yes, but the control file has to be a "alter
database backup controlfile . . .", not a OS copy.
Mike
-----Original Message-----
From: Guang Mei [mailto:gmei_at_incyte.com]
Sent: Friday, June 25, 2004 11:17 AM
To: oracle-l_at_freelists.org
Subject: RE: Hot Backup Theory Revisited:
I am trying to understand:
Is it true that if the copy of control file (just an OS copy) is done = AFTER issuing
ALTER SYSTEM ARCHIVE LOG CURRENT; then no earlier (than the log switch) archive log is needed? We still = need the archive logs generated during tablespace backup process.
Guang=20
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