将 SnapCenter 升级到 4.1.1P3 或更高版本后， Oracle 插件可能会在发现 Oracle 数据库时失败

适用场景

• SnapCenter 4.1.1 P3 ， 4.1.1 P4 ， 4.2
• 适用于 Oracle 的 SnapCenter 插件
• 使用 Oracle 11r ， 12c 的 Linux 主机，可能为 18c

问题描述

将适用于 Oracle 的 SnapCenter 插件升级到 4.1.1P3 ， 4.1.1P4 或 4.2 后，可能会发生以下情况之一，从而阻止再次发现数据库：

1. Discovery failed for object ORCRL with error PL-SCO-20006: Discovery of database files failed for database ORCL on host rhel.demo.netapp.com with error
PLAT-00040: Unable to determine permissions for file /oracle/12.1.0/grid/bin/dbhome. Error: No such file or directory..
2. c.n.o.c.p.UnixOraclePlatform - Database instances discovered from oratab: [oracleHome: /ora01/app/oracle12c/product/12c/db_1, identifier: techdb3, startOnBoot: false]
c.n.o.c.p.UnixOraclePlatform - Updating database details cache with key techdb3 and value /ora01/app/oracle12c/product/12c01/db_1
c.n.o.c.j.SQLExceptionSofteningAdapter - caught SQLException ORA-01034: ORACLE not available
ERROR  c.n.o.c.s.d.m.DatabaseMetadataService - An exception thrown during the execution of method findDatabaseVersion and the exception message is
ORACLE-10002: Error received from connection to Oracle database ORASID: ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist
Linux-x86_64 Error: 2: No such file or directory
3. ORACLE-10002: Error received from connection to Oracle database ORACL: ORA-12547: TNS:lost contact.