主备切换在备库startup时出现归档路径没写到spfile里...
注意：修改参数时最好带上scope=spfile或scope=both，以免重启出现异常。
SQL> startup mount
ORA-16032: parameter LOG_ARCHIVE_DEST_1 destination string cannot be translated
ORA-07286: sksagdi: cannot obtain device information.
Linux-x86_64 Error: 2: No such file or directory
SQL>
当前spfile里面识别的，却没这个路径
[oracle@test154 dbs]$ strings spfiletest154.ora |grep dest_1
*.log_archive_dest_1='LOCATION=/u01/app/oracle/oradata/testdb/flash_recovery_area valid_for=(all_logf
真正归档路径是下面
[root@test154 ~]# ls -l /u01/app/oracle/oradata/flash_recovery_area
-rw-r-----. 1 oracle oinstall 1024 Nov 6 15:04 arch_959881329_1_1613.arc
-rw-r-----. 1 oracle oinstall 1536 Nov 6 15:04 arch_959881329_1_1614.arc
-rw-r-----. 1 oracle oinstall 1536 Nov 6 15:04 arch_959881329_1_1615.arc
-rw-r-----. 1 oracle oinstall 298496 Nov 6 15:13 arch_959881329_1_1616.arc
处理
pfile启动，重建spfile，更新成正确路径，重启OK
[oracle@test154 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.4.0 Production on 星期三 11月 6 15:31:53 2019
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to an idle instance.
SQL> create pfile from spfile;
File created.
参数文件pfile修改log_archive_dest_1为/u01/app/oracle/oradata/flash_recovery_area
SQL> create spfile from pfile;
File created.
SQL> startup;
ORACLE instance started.
Total System Global Area 3975139328 bytes
Fixed Size 2259360 bytes
Variable Size 2634024544 bytes
Database Buffers 1325400064 bytes
Redo Buffers 13455360 bytes
Database mounted.
Database opened.
SQL>