Taking Backup from standby database

From: Vadim Keylis <vkeylis2009_at_gmail.com>
Date: Thu, 1 Dec 2016 22:09:50 -0800
Message-ID: <CAHL4c1PY8GdrFWUGkQYPyn_2cJ3PcSkkS0OQR5OfDU+GNjSPXw_at_mail.gmail.com>



Good evening oracle experts. I am having issue activating database restored using backup taken from standby.

    Our current setup: We have one primary and one standby database. The standby database is kept in sync with primary using dataguard. We are currently taking backups from primary. We are want to move backups from primary to standby database.

I used script bellow to take backup from standby database and then restored backup on different server. The database was successfully restored and physical standby. The problem started when I try activating it. I got the following error

    ORA-01194: file 1 needs more recovery to be consistent     ORA-01110: data file 1:
'+STAGEDATA/SETLR/DATAFILE/system.5096.929468439'

I will greatly appreciate suggestions on taking backups from standby in order to restore as primary in case of emergency as well as how to solve inconsistency error after standby database is activated.

Thanks so much,
Vadim

-------------------------Script to backup from physical standby
-------------------------------------------------
run
{
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO
'/mnt/db_transfer/SETL/rman_backup/ctl/control_%F';
CONFIGURE MAXSETSIZE TO 128 G;

CONFIGURE SNAPSHOT CONTROLFILE NAME TO
'/mnt/db_transfer/SETL/rman_backup/ctl/snapcf_SETL.f';
ALLOCATE CHANNEL ch1 DEVICE TYPE DISK FORMAT
'/mnt/db_transfer/SETL/rman_backup/db_%d_df_t%t_s%s_p%p_level0';
BACKUP INCREMENTAL LEVEL 0 TAG LEVEL_0_20161201_1526 DATABASE ; DELETE FORCE NOPROMPT OBSOLETE;
RELEASE CHANNEL ch1;
}
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Received on Fri Dec 02 2016 - 07:09:50 CET

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