Jared, Thanks for the reply. I will try next time. I just feel like combine the reuse and set together, seems not that logical.
Thanks, Joan [EMAIL PROTECTED] wrote: > > >From TFM: > > Specify REUSE to indicate that existing control files identified by the > initialization > parameter CONTROL_FILES can be reused, thus ignoring and overwriting any information > they may > currently contain. If you omit this clause and any of these control files > already exists, Oracle returns an error. > > So it would seem a valid syntax. > > Jared > > Joan Hsieh <[EMAIL PROTECTED]> > Sent by: [EMAIL PROTECTED] > 04/02/2003 12:48 PM > Please respond to ORACLE-L > > > To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> > cc: > Subject: Re: daily clone > > Bill, > > Kind of curiosity, I don't know this syntax; I do "create controlfile > set database" or "create controlfile resue database". But never did > reuse set. Is that a valid syntax? I don't have time to check it by > myself. sorry to ask. > > Joan > > >CREATE CONTROLFILE REUSE SET DATABASE "SIDB" RESETLOGS NOARCHIVELOG > > Niall Litchfield wrote: > > > > Obviously the usual caveats of 'test this first' and ' don't just listen > > to some bloke off of email' apply but here would be my contributions. > > > > 1. Don't copy temp - create a new one - it by definition has nothing in > > it. > > 2. Don't copy online redo logs - resetlogs means that a) the old ones > > are useless and the SCN will be reset b) new ones will get created if > > necessary. > > 3. I'm not quite clear what is going on with these read/write-read-only > > nfs files, are these genuinely copied across to a new location, or are > > they the actual datafiles mounted read-only in an nfs environment, or > > are they some sort of weird vendor-provided copy of the datafiles? This > > is probably all my stupidity in not reading you clearly enough. > > > > Niall > > > > > -----Original Message----- > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > > > [EMAIL PROTECTED] > > > Sent: 26 March 2003 19:59 > > > To: Multiple recipients of list ORACLE-L > > > Subject: daily clone > > > > > > > > > > > > Hello, > > > > > > Env: Oracle 9.2.0.2.0 on Solaris 9 (2 machines) > > > > > > I'm trying to set up a daily cloning process between 2 Oracle > > > instances (SIDA is source, SIDB is target) using the CREATE > > > CONTROLFILE REUSE SET DATABASE SIDB ... method. The steps are: > > > > > > 1) Shutdown immediate SIDB > > > 2) Shutdown immediate SIDA, startup restrict, shutdown normal > > > 3) Copy system datafile to target machine (I'm going to reset logs, > > > dbs are shutdown, shouldn't require any recovery) > > > 4) Create read-only copy of all user datafiles using a vendor feature > > > called checkpoints (not Oracle checkpoints) > > > 5) Startup SIDA > > > 6) Run the following script on SIDB (adapted from SIDA backup > > > controlfile to trace) > > > > > > STARTUP NOMOUNT PFILE='/oracle_home_path/dbs/initDWQ.ora' > > > CREATE CONTROLFILE REUSE SET DATABASE "SIDB" RESETLOGS NOARCHIVELOG > > > MAXLOGFILES 5 > > > MAXLOGMEMBERS 3 > > > MAXDATAFILES 512 > > > MAXINSTANCES 1 > > > MAXLOGHISTORY 1817 > > > LOGFILE > > > GROUP 1 '/redo1/dws/redo01.log' SIZE 100M, > > > GROUP 2 '/redo1/dws/redo02.log' SIZE 100M, > > > GROUP 3 '/redo1/dws/redo03.log' SIZE 100M > > > DATAFILE > > > '/dwdata1/dwq/sys/system01.dbf', > > > '/rbs/dws/undotbs01.dbf', > > > '/data1/dws/users.dbf', > > > '/data1/dws/tools.dbf', > > > '/dwdata1.chkpnt/ckpt1/dws/data/lvl1_data/LVL1_DATA01.dbf', > > > '/dwdata2.chkpnt/ckpt1/dws/index/lvl1_ndex/LVL1_NDEX01.dbf', > > > '/dwdata1.chkpnt/ckpt1/dws/data/lvl2_data/LVL2_DATA01.dbf', > > > '/dwdata2.chkpnt/ckpt1/dws/index/lvl2_ndex/LVL2_NDEX01.dbf', > > > ... > > > CHARACTER SET WE8ISO8859P1 > > > ; > > > > > > ALTER DATABASE OPEN RESETLOGS; > > > ALTER TABLESPACE TEMP ADD TEMPFILE '/oratmp1/dwq/temp01.dbf' > > > SIZE 2049M REUSE AUTOEXTEND OFF; > > > > > > There are a couple of twists. The datafiles listed with > > > .chkpnt in their path are in a read-only nfs-mounted > > > filesystem; when shutdown before copying, their status within > > > Oracle was READ WRITE. > > > > > > The databases were both shutdown when the copies were made, > > > SIDB is using RESETLOGS, so I'm thinking this will work OK > > > and Oracle will not try and write anything to these when > > > opening SIDB. > > > > > > Does this sound OK? > > > > > > The next question is, do I need to copy any redo logs, undo > > > tblspc (using auto undo), or temp datafiles from SIDA to > > > SIDB? Again, since I'm shutting > > > down cleanly, and doing a resetlogs on opening, I am hoping > > > that I can simply reuse the existing redo logs, undo tblspc > > > and tempfile. > > > > > > The next twist is that we want to preserve some read write > > > tablespaces in SIDB, like users.dbf and tools.dbf listed > > > above, and not wipe them out when re-creating the controlfile > > > each day. Again, since we shut down SIDB cleanly, and I list > > > the existing datafiles under the datafile section of the > > > CREATE CONTROLFILE command, I am hoping this will preserve > > > their contents. Am I wrong? > > > > > > We will be testing these scenarios, but I am hoping for some > > > insightful advice from others who have gone before. > > > > > > Sorry for the lengthy message, and as always, thanks to any > > > responders. Bill > > > > > > -- > > > Please see the official ORACLE-L FAQ: http://www.orafaq.net > > > -- > > > Author: > > > 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). > > > > > > > -- > > Please see the official ORACLE-L FAQ: http://www.orafaq.net > > -- > > Author: Niall Litchfield > > 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). > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Joan Hsieh > 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). -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Joan Hsieh 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).
