Hi there,
We do have a client currently on Oracle 11.2.0.4 under windows 2012 R2 and notice the Oracle system frequently put the tablespace into backup mode. Normally happen at around 10 pm or after server rebooted but sometimes can happen anytime. We do have daily RMAN backup and export configured which happen after 1:00 am. So it definitely not coming from daily database maintenance. Any idea?
ALTER TABLESPACE SYSTEM BEGIN BACKUP
Completed: ALTER TABLESPACE SYSTEM BEGIN BACKUP
ALTER TABLESPACE SYSAUX BEGIN BACKUP
Completed: ALTER TABLESPACE SYSAUX BEGIN BACKUP
ALTER TABLESPACE UNDOTBS1 BEGIN BACKUP
Completed: ALTER TABLESPACE UNDOTBS1 BEGIN BACKUP
ALTER TABLESPACE USERS BEGIN BACKUP
Completed: ALTER TABLESPACE USERS BEGIN BACKUP
ALTER TABLESPACE HPRD BEGIN BACKUP
Completed: ALTER TABLESPACE HPRD BEGIN BACKUP
ALTER TABLESPACE HPRE BEGIN BACKUP
Completed: ALTER TABLESPACE HPRE BEGIN BACKUP