This is the first part of a blog series where I will demonstrate how to create a new VM Cluster in an Exadata Cloud@Clustomer environment using the OCI command-line interface. In the first part, I will create the required VM Cluster Network.
Continue readingAuthor: Christian Gohmann
Use Oracle Linux 7.9 as WSL distribution
Since the end of January, Oracle Linux 7.9 is officially available as Linux Distribution for the Windows Subsystem for Linux (WSL). This blog post will demonstrate how to install and use it.
Continue readingDatapatch fails with ORA-27476
Today I stumbled about a very strange error while applying a release update to a 19c database. Datapatch fails with an ORA-27476 error. In this blog post, I want to show how to get rid of this error and how to identify objects in the database which may cause it.
Continue readingExaCC: SSH equivalency check of patchmgr failed
This blog post describes an issue with patchmgr while checking the SSH equivalency of the target cluster nodes. More details about patchmgr and how to use it to patch your VM clusters can be found here.
Continue readingExaCC: Update of Exadata System Software using patchmgr
In this blog post, I will demonstrate how to use the command-line utility DB Server Patch Utility (patchmgr) to update the Exadata software of DomU environments to a newer version.
Continue readingExaCC: Configuration and usage of ExaCLI
In the context of an ExaCC Gen2 environment, the command-line utility ExaCLI can be used to monitor and manage (only a subset of commands are allowed) the Exadata Storage Server (with 18.1.4.2 and higher). For example, you can check the software version of the Dom0 layer. In this blog post, I will describe all the required steps to get ExaCLI running.
Continue readingFormatting and filtering OCI CLI output
The default output format of the OCI commandline interface is JSON. Every available piece of information is included in the response. Especially when you use it in Shell scripts or applications, it can be difficult to extract the desired information. This blog post demonstrate the build-in filtering capabilities and the available output formats.
Continue readingConfigure Oracle Cloud Infrastructure (OCI) CLI
The Oracle Cloud can be accessed with its web console or on the command-line using the OCI CLI. In this blog post, I will show the required steps to install it and to link it with your Oracle Cloud tenant.
Continue readingOracle 21c: Separate Oracle Home for GIMR
In Oracle 21c the Grid Infrastructure Management Repository (GIMR) is still an optional component of an Oracle Cluster setup. But with this release, it is not supported anymore to use the Grid Infrastructure installation as Oracle Home for it. Instead, an Oracle RAC Database Home has to be used.
Continue readingOracle 21c: Simultaneous use of INCLUDE and EXCLUDE in Data Pump
Sometimes the small enhancements in a new Oracle release save a lot of effort needed in previous versions to reach the same goal. For me, this applies also to the Data Pump enhancement I am going to blog about, which allows the usage of INCLUDE and EXCLUDE in the same operation.
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