Hi,
My database is running on version 11.1.0.7 on OEL platform.
I am trying to delete one of the Active Redo Log Group, it fails with the below error. Could someone please help me fix this issue?
SQL > select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARCHIVED STATUS FIRST_CHANGE# FIRST_TIME
---------- ---------- ---------- ---------- ---------- --------- ------------------------------------------------ ------------- --------------------------
10 1 8017 524288000 2 YES INACTIVE 1.2120E+13 17-JUN-2012 19:43:49
11 1 8018 524288000 2 YES INACTIVE 1.2120E+13 18-JUN-2012 06:49:45
12 1 8019 524288000 2 YES INACTIVE 1.2120E+13 18-JUN-2012 16:56:43
13 1 8021 524288000 2 YES INACTIVE 1.2120E+13 18-JUN-2012 23:18:07
14 1 8020 524288000 2 YES INACTIVE 1.2120E+13 18-JUN-2012 23:14:27
15 1 8022 524288000 2 NO CURRENT 1.2120E+13 19-JUN-2012 01:07:27
16 2 6835 524288000 2 YES INACTIVE 1.2120E+13 18-JUN-2012 23:15:46
17 2 6836 524288000 2 YES INACTIVE 1.2120E+13 18-JUN-2012 23:18:04
18 2 6837 524288000 2 YES INACTIVE 1.2120E+13 18-JUN-2012 23:20:22
19 2 6838 524288000 2 YES INACTIVE 1.2120E+13 18-JUN-2012 23:22:38
20 2 6839 524288000 2 NO CURRENT 1.2120E+13 19-JUN-2012 01:07:24
21 2 6832 524288000 2 YES INACTIVE 1.2120E+13 18-JUN-2012 23:11:45
22 3 3771 524288000 2 YES INACTIVE 1.2103E+13 09-SEP-2011 22:04:11
23 3 3772 524288000 2 YES INACTIVE 1.2103E+13 09-SEP-2011 23:55:55
24 3 3773 524288000 2 YES ACTIVE 1.2103E+13 09-SEP-2011 23:55:59
25 3 3766 524288000 2 YES INACTIVE 1.2103E+13 08-SEP-2011 22:05:29
26 3 3767 524288000 2 YES INACTIVE 1.2103E+13 08-SEP-2011 22:05:50
27 3 3768 524288000 2 YES INACTIVE 1.2103E+13 09-SEP-2011 14:02:05
SQL > archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /archive/MYCSMA/MYCSMA2
Oldest online log sequence 6832
Next log sequence to archive 6839
Current log sequence 6839
SQL > archive log all;
ORA-00271: there are no logs that need archiving
SQL > ALTER SYSTEM ARCHIVE LOG GROUP 24;
ALTER SYSTEM ARCHIVE LOG GROUP 24
*
ERROR at line 1:
ORA-16013: log 24 sequence# 3773 does not need archiving
SQL > alter database drop LOGFILE group 24;
alter database drop LOGFILE group 24
*
ERROR at line 1:
ORA-01623: log 24 is current log for instance MYCSMA3 (thread 3) - cannot drop
ORA-00312: online log 24 thread 3: '/u247/oradata/MYCSMA/redo24_1.log'
ORA-00312: online log 24 thread 3: '/u247/oradata/MYCSMA/redo24_2.log'
This was previously a 3 node RAC and when it was moved to a different machine, it got build with a 2-node RAC.
Hence thread 3 is no more required. Thats why I am planning to drop these Redo Log Groups.
Thanks!