isn't that supposed to be flashback query? :)
--- Gene Sais <[EMAIL PROTECTED]> wrote: > maybe 10i will allow table pt in time recovery :) > > >>> [EMAIL PROTECTED] 05/25/02 05:53PM >>> > you mean the export? it's a lot easier to recover a single table from > an export and let everyone else keep working. AFAIK, Oracle still > doesn't do table-level recovery, the lowest granularity is > tablespace. > > I could be wrong. > > Also, exports are good at letting you clone users and application > schemas > > --- Kevin Lange <[EMAIL PROTECTED]> wrote: > > If you truely mean that ALL of your databases are in ArchiveLog > Mode, > > why > > would you do that to your Test and Dev databases ? > > > > -----Original Message----- > > Sent: Friday, May 24, 2002 2:33 PM > > To: Multiple recipients of list ORACLE-L > > > > > > my backup strategy, fwiw: > > > > prod - cold monthly, hot 2x week, exp weekly. > > test - cold, hot, exp occassional, always can refresh from prod. > > dev - cold & hot occassional, exp daily. > > > > all dbs are in archivelogmode! > > > > gene > > > > >>> [EMAIL PROTECTED] 05/24/02 03:04PM >>> > > lets not forget the classic "exp". > > > > 1. Production database (where you can't lose a single > > transaction) - ARCHIVEMODE absolutely > > > > 2. Development database (few hrs of transactions ok to > > lose) - cold backups > > > > 3. Development database (no schema changes, say an > > application is being developed with a tool such as > > using Oracle designer) - a simple 'exp un/pwd' of the > > user, is the simplest, quickest, lightest, least > > headache,... may also be considered. > > > > Keith > > > > > > > > Date: Fri, 24 May 2002 09:12:02 -0800 > > To: "Multiple recipients of list ORACLE-L" > > <[EMAIL PROTECTED]> > > Reply-to: [EMAIL PROTECTED] > > Address | Add to Address Book > > Organization: Fat City Network Services, San Diego, > > California > > > > > > Hi Tim and Connor, > > > > Thanks you all for your very helpful feedback. I do > > appreciate it very much. In fact, we are in > > development at this point, so the database is small > > and transaction volume is very low. Therefore, my > > choice for primary backup method is the cold backups. > > However, to safeguard against unsual things, which > > might happen to the database, I will take your advice > > to run my database in ARCHIVELOG mode. The hot backup > > will be used. Again, thanks for your very quick > > responses. > > > > Regards, > > > > Trang > > > > Tim Gorman <[EMAIL PROTECTED]> wrote: > > > > Trang, > > > > Theoretically, the online redo log files are be > > necessary, but the world has a habit of making a > > shambles of the theoretical. Let's say, in the event > > that you automate your Friday script, you'll probably > > come to realize that SHUTDOWN IMMEDIATE is far from > > perfect (as well as far from immediate!). Over time, > > you'll probably construct some kind of "fail-safe" > > mechanism to SHUTDOWN ABORT if the initial SHUTDOWN > > IMMEDIATE doesn't shut down after a period of time. > > Pretty standard thing that DBAs have been writing for > > years. Hopefully, after the SHUTDOWN ABORT they also > > STARTUP RESTRICT and then SHUTDOWN NORMAL, but you > > can't count on it... > > > > So, here's the point: what if you take a cold backup > > in NOARCHIVELOG mode after a SHUTDOWN ABORT (that > > should have been a SHUTDOWN IMMEDIATE and wasn't) and > > you have *not* backed up those online redo log files? > > Answer: unusable backup. So, back up everything: all > > datafiles, controlfiles, and online redo logfiles. > > The latter are not too big anyway -- what's the point > > of excluding them? > > > > It is wise to take a cold backup after a clean > > shutdown, but you can even get a valid backup after a > > SHUTDOWN ABORT or a crash if you've backed up the > > online redo archive log files. When you restart > > Oracle, an instance recovery will occur automatically, > > and you might not even know it. Just be certain that > > the instance is truly "dead" when you take your "cold" > > backup... > > > > With regards to switching between ARCHIVELOG and > > NOARCHIVELOG, it's a waste of effort from a > > recoverability standpoint. At most it may be > > interesting, but as soon as you switch out of > > ARCHIVELOG mode, nothing you've done while in > > ARCHIVELOG mode is valid anymore. Leave it one way or > > the other, and then leave it... > > > > ...just my $0.02... > > > > Another $0.02: use RMAN for your cold backups. Then > > you won't forget anything, because RMAN will remember > > for you... > > > > Hope this helps... > > > > -Tim > > ----- Original Message ----- > > To: Multiple recipients of list ORACLE-L > > Sent: Thursday, May 23, 2002 5:33 PM > > > > > > Hi All, > > > > I need to perform a consistent backup for my whole > > database every Friday by using operating system > > utilities. My database has been currently operating > > in NOARCHIVELOG mode, so the only files need to be > > backed up are datafiles, control files, the > > initialization parameter file and other oracle product > > initialization files (Based on Oracle8.1.6 Backup and > > Recovery Guide). Since the files in this type of > > backup are all consistent and do not need recovery, so > > the online logs are not needed. Since online redo > > logs is very crucial for recovery, so my question is > > do I need to back up the online redo log files as I > > choose to perform cold backup type for my entire > > database weekly? Here is step by step what I did to > > back up the whole database: > > > > after the database was closed cleanly and all the > > above mentioned files had been backed up into the > > tape. I had to restart the database and mount but not > > open, then switched between NOARCHIVELOG mode to > > ARCHIVELOG mode in order to archive the online redo > > log files. Finally, I copied all archived redo log > > files into the tape while the database was open and > > operated in ARCHIVELOG mode. when it was all done, I > > then switched the database back to NOARCHIVELOG mode. > > Just wondered whether my procedure to perform a whole > > consistent database backup is correct? Am I safe to > > this point? Your help is greatly appreciated it. Your > > help is greatly appreciated. > > > > Thanks in advance, > > > > Trang > > > > > > __________________________________________________ > > Do You Yahoo!? > > LAUNCH - Your Yahoo! Music Experience > > http://launch.yahoo.com > > -- > > Please see the official ORACLE-L FAQ: http://www.orafaq.com > > -- > > Author: Keith Peterson > > INET: [EMAIL PROTECTED] > > > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > > San Diego, California -- Public Internet access / Mailing > > Lists > > > -------------------------------------------------------------------- > > 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.com > > -- > > Author: Gene Sais > > INET: [EMAIL PROTECTED] > > > === message truncated === __________________________________________________ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Rachel Carmichael INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).
