Within a CDB, each container has a unique ID and name.Ī CDB consists of two types of containers: the root container and all the pluggable databases that attach to a CDB. Prior to getting into to the details of installing a container database (CDB) and deploying pluggable databases (PDB), an overview of the key concepts of the Multitenant Architecture is provided.Ĭontainer 11 – is a collection of schemas, objects, and related structures in a multitenant container database (CDB) that appears logically to an application as a separate database. When creating an Oracle database, the recommended method is the usage of the dbca utility. While using the Multitenant architecture is optional, this reference architecture focuses on describing the step-by-step procedure of taking advantage of it. It provides advantages 11 that include easier management and monitoring of the physical database, fewer patches and upgrades, performance metrics consolidated into one CDB, and sizing one SGA instead of multiple SGAs. The Multitenant architecture provides the ability to consolidate multiple databases known as pluggable databases (PDBs) into a single container database (CDB). With the introduction to Oracle Database 12c, Oracle introduced the Multitenant architecture. # /u01/app/oracle/product/12.2.0/dbhome_1/root.shĤ.4. Creating Pluggable Databases using Database Configuration Assistant (DBCA) As the root user on each Oracle node, run the following: Once the installation completes, execute the scripts within the Execute Configuration scripts window. More information regarding huge pages can be found Section 4.5, “Enabling HugePages”. This warning can be safely ignored at the moment of installation as it is configured later during the setup of huge pages. The value is expressed in kilobytes and is important from the Oracle perspective because it provides the oracle user permission to use huge pages. Setting memlock allows the oracle user to lock a certain amount of memory from physical RAM that isn’t swapped out. Maximum locked shared memory check - This task checks if memlock is set within the /etc/security/nf file and is only a warning. Manually verify that all nodes across the Oracle RAC Database cluster are running the ntpd service.
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Within the Summary window, review all the information provided, and select Install to start the installation.ĩ: Oracle Database 12c Release 2 - V840012-01.zip from Ĭlock Synchronization - This task checks to see if NTP daemon or service is running. However, this can be confirmed with multipath -ll that they are. In this particular case, it is having issues indicating that the /dev/mapper/ocrvote* devices are not shared across nodes.
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If NTP is properly running and configured, this error can be safely ignored.ĭevice Checks for ASM - This task checks to verify that the specified devices meet the requiresments for ASM. Manually verify that ntp is running on all nodes within the Oracle RAC cluster. Network Time Protocol (NTP) - This task verifies cluster time synchornization on clusters. Within Red Hat Enterprise Linux 7 tmpfs is mounted by default on the OS. /dev/shm mounted as a temporary file system - This is related to a bug Oracle DOC ID: 2065603.1 were the installer is looking for /dev/shm to be located in /etc/fstab.Oracle Database Package Requirements Text File Common Tasks when Managing Container Database (CDB) and Pluggable Databases (PDB) Removal of firewalld Trusted Source Address Logging into the Oracle Container Database 12c Release 2 Creating Pluggable Databases using Database Configuration Assistant (DBCA) Creating ASM Diskgroups via the ASM Configuration Assitant (ASMCA) Installing Oracle 12c R1 Database Software Installing Oracle Grid Infrastructure (Required for ASM) Customizing the tuned-profiles-oracle profile Optimizing Database Storage using Automatic System Tuning
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Setting Shell Limits for the Grid and Oracle User Setting Semaphores (SEMMSL, SEMMNI, SEMMNS) Setting Shared Memory (SHMMAX, SHMALL, SHMMNI) Configuring Security-Enhanced Linux (SELinux) Oracle Database 12c Release 2 Package Requirements iSCSI Switch and Dell EqualLogic Recommendations Reference Architecture Configuration Details