Surviving a Database Disaster with RMAN Backups

[yanban]

Hi,

I read the new doc http://www.dbasupport.com./oracle/ora9i/rman.shtml

I got really surprised when the author says RMAN could not find his last archive logs : "[...] RMAN catalog did not understand archive logs that were created after we had run the RMAN backup. We had to do manual cataloging of all the archive logs [...]"

I well thought RMAN recorded the archive log as soon as the redolog got archived.

What do you people think ? have you faced that kind of problem before ?
Thanks to share your experience.

[Latyr]

Hi

You may find answers to your question on Metalink

Doc ID: Note:155656.1
Subject: Redo Log File Management and Issues when using RMAN to do Automatic Recovery
Type: BULLETIN
Status: PUBLISHED

Latyr

[marist89]

How would rman know about archived redo if it hasn't backed them up?

[yanban]

Thanks,to you both, I'll read the doc completely when I'll be less busy

I know why I got confused, this is from the user's guide
"
Oracle records an archived log in
the control file whenever one of the following occurs:
n The archiver process archives a redo log
n RMAN restores an archived log
n The RMAN COPY command copies a log
n The RMAN CATALOG command catalogs a user-managed backup of an
archived log
" ... nothing to do with the catalog!

Also, that's good to see about the 9i enhancements on the metalink doc.

One last question : how often do you resync ? Twice a day ?

[Axr2]

RMAN automatically issues a resync when you issue a "backup" or a "delete". You only need to resync manually if you aren't connected to the catalog during backups. The RMAN user guide talks at length about it.