11 g RACノード二MMONプロセス異常
コアシステムのDBTimeモニタリング閾値がある点でずっと平行移動していることが朝早く発見され、少し変な感じがします.私たちのスクリプトはdbaに頼っているからです.hist_snapshotがSNIPでやってみました.AWRレポートの生成を行い、SNAPを表示します.IDに異常がないか.
Specify the Begin and End Snapshot Ids
21220 19 Sep 2018 09:00 1
21221 19 Sep 2018 10:00 1
21222 19 Sep 2018 11:00 1
21223 19 Sep 2018 12:00 1
21224 19 Sep 2018 13:00 1
21225 19 Sep 2018 14:00 1
21226 19 Sep 2018 15:00 1
21227 19 Sep 2018 16:00 1
21228 19 Sep 2018 17:00 1
21229 19 Sep 2018 18:00 1
21230 19 Sep 2018 19:00 1
Specify the Begin and End Snapshot Ids
Enter value for begin_snap:
CBC , 。 , , mm down ? SNAP_ID 。 。
[oracle@bapdb2 trace]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.4.0 Production on Thu Sep 20 10:40:33 2018
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
10:40:33 SYS@bapdb2(bapdb2)> set line 300 pages 1000
10:40:35 SYS@bapdb2(bapdb2)> BEGIN
10:40:37 2 DBMS_WORKLOAD_REPOSITORY.CREATE_SNAPSHOT ();
10:40:37 3 END;
10:40:37 4 /
PL/SQL procedure successfully completed.
, ;
10:43:57 SYS@b2(db2)> select group_number,block_size,name,allocation_unit_size,state,type,total_mb,free_mb,offline_disks from v$asm_diskgroup;
GROUP_NUMBER BLOCK_SIZE NAME ALLOCATION_UNIT_SIZE STATE TYPE TOTAL_MB FREE_MB OFFLINE_DISKS
------------ ---------- ------------------------------ -------------------- ----------- ------ ---------- ---------- -------------
1 4096 SAS_ARCH 1048576 CONNECTED EXTERN 1024000 617921 0
:
[oracle@db1 ~]$ ps -ef |grep mm
grid 6634 1 0 2017 ? 00:33:47 asm_mman_+ASM1
grid 6648 1 0 2017 ? 01:52:06 asm_mmon_+ASM1
grid 6650 1 0 2017 ? 2-00:53:46 asm_mmnl_+ASM1
oracle 8610 1 0 2017 ? 00:33:56 ora_mman_db1
oracle 8650 1 0 2017 ? 3-11:28:35 ora_mmon_db1
oracle 8655 1 1 2017 ? 4-07:20:56 ora_mmnl_db1
:
[oracle@bapdb2 ~]$ ps -ef |grep mm
oracle 54354 53982 0 11:09 pts/1 00:00:00 grep mm
grid 105256 1 0 2017 ? 00:23:52 asm_mman_+ASM2
grid 105295 1 0 2017 ? 01:15:06 asm_mmon_+ASM2
grid 105312 1 0 2017 ? 1-03:49:26 asm_mmnl_+ASM2
oracle 106889 1 0 2017 ? 00:28:00 ora_mman_db2
oracle 106927 1 0 2017 ? 3-04:47:42 ora_mmnl_db2
MMON DOWN 。 ALERT :
Tue Sep 19 03:49:00 2017
MMON started with pid=36, OS id=8650
Tue Sep 19 03:49:00 2017
MMNL started with pid=37, OS id=8655
Tue Sep 19 04:01:47 2017
MMON started with pid=36, OS id=106923
Tue Sep 19 04:01:47 2017
MMNL started with pid=37, OS id=106927
id 106923 。 , MMON ;
SQL> alter system enable restricted session;
System altered.
SQL> alter system disable restricted session;
System altered.
Alert ;
Thu Sep 20 11:10:28 2018
Stopping background process MMNL
Starting background process MMON
Starting background process MMNL
Thu Sep 20 11:10:29 2018
MMON started with pid=37, OS id=55936
Thu Sep 20 11:10:29 2018
MMNL started with pid=236, OS id=55938
ALTER SYSTEM enable restricted session;
minact-scn: Inst 2 is a slave inc#:16 mmon proc-id:55936 status:0x2
minact-scn status: grec-scn:0x0026.4dcf0d36 gmin-scn:0x0026.4dcf0d36 gcalc-scn:0x0026.4dcf1208
Thu Sep 20 11:11:05 2018
ALTER SYSTEM disable restricted session;
Thu Sep 20 11:13:25 2018
LGWR: Standby redo logfile selected for thread 2 sequence 154126 for destination LOG_ARCHIVE_DEST_3
11:10:29 SYS@db2(xxxdb2)> !ps -ef |grep mm
oracle 55936 1 0 11:10 ? 00:00:00 ora_mmon_db2
oracle 55938 1 0 11:10 ? 00:00:00 ora_mmnl_db2
grid 105256 1 0 2017 ? 00:23:52 asm_mman_+ASM2
grid 105295 1 0 2017 ? 01:15:06 asm_mmon_+ASM2
grid 105312 1 0 2017 ? 1-03:49:26 asm_mmnl_+ASM2
oracle 106889 1 0 2017 ? 00:28:00 ora_mman_db2
MMON trc , :
*** 2018-09-19 18:46:41.432
minact-scn slave-status: grec-scn:0x0026.4db016c0 gmin-scn:0x0026.4db016c0 gcalc-scn:0x0026.4db0273c
minact-scn slave-status: grec-scn:0x0026.4dbdde59 gmin-scn:0x0026.4dbdde59 gcalc-scn:0x0026.4dbdf492
*** 2018-09-19 18:56:44.302
minact-scn slave-status: grec-scn:0x0026.4dca45db gmin-scn:0x0026.4dca45db gcalc-scn:0x0026.4dca5990
*** 2018-09-19 19:01:37.026
error 28 detected in background process
OPIRIP: Uncaught error 447. Error stack:
ORA-00447: fatal error in background process
ORA-00028: your session has been killed
:
Fixed Objects Statistics (GATHER_FIXED_OBJECTS_STATS) Considerations ( ID 798257.1)