I have not given any logfile for backups here is my backup script,
allocate channel c1 type disk;
allocate channel c2 type disk;
allocate channel c3 type disk;
BACKUP AS COMPRESSED BACKUPSET DATABASE FORMAT='H:\backup\full_%d_%u_%s_%T';
BACKUP AS COMPRESSED BACKUPSET CURRENT CONTROLFILE FORMAT='H:\backup\controlfile_%d_%u_%s_%T';
release channel c1;
release channel c2;
release channel c3;
could you please detalil the follwoing Query
what is size of your Db
are you using recovery catalog
o/p of show all;
Your DB Version/OS detail
did you get any thing wrong in alert log file
how did you run the backup script in window through scheduler ?
how about the physical file existence at location H:\backup\
What I can see here:
running 32-bit Oracle on 64-bit OS. This begs the question: why?
850 Gb database: how many datafiles?
Backing up to a network drive (so this will be slow), and 3 channels all going to that network drive:
which means you must have an I/O bottleneck.
Also you provide minimal to 0 information to help you out, as you have your logfile going to the proverbial black hole.
You didn't post your backup script, as you don't show the RMAN command line. You can simply keep the log by using documented log= qualifier on the RMAN command line.
Also you didn't post the result of
Why you are surprised it is slow and do you expect any valid help, with that little cooperation on your side?
Senior Oracle DBA