> > Whenever checkpoint happens datafile header scn and controlfile scn > > will be in sink. Is my assumption is right? Is there any other scenarios > > where checkpoint only update controlfile and doesn't update datafile > > header? Agreed, during "begin backup" mode datafile header will be > > frozen.. Other than that any scenarios? > > Note that not the *whole* header of a datafile is *not* frozen during backup > mode, only the checkpoint_scn and checkpoint_time structure in it are (+ > possibly few others), but for example checkpoint_count for this datafile > still keeps incrementing due checkpoints.
I got too carried away with "not"-s here... Anyway, the idea is that only few structures in datafile header are frozen during backup mode, but some may change as usual. Tanel. -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Tanel Poder INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
