Tag: Oracle

This post describes some of the most recent issues I have faced while patching an Oracle database machine (Exadata).   0 / Details Applying PSU 01/04/2019 (version 18.1.12.0.0.190111) Database Machine X5-2 / X6-2 stacks, which were running 12.1.2.3.5.170418 before the…

I decided to write about Exadata Smart Scan feature for this blog post. Why Smart Scan? Well, because it is awesome and I don’t know any other relational database system that has this feature. So what is Smart Scan and…

Whether Grid Infrastructure Management Repository (GIMR) database MGMTDB is required or not depends on the version of Oracle you are using. For 19c, GIMR is not required –  About the Grid Infrastructure Management Repository However, GIMR is being created to…

Here we will learn how to manage the size of flashback logs generated in our environment. This is useful especially when you are hitting the error “ORA-00242: maximum allowed filename records used up in control file” which can be related…

Have you received this error on OMS 12.1.0.3? “Metric evaluation error start – Get dynamic property error,” After performing some research on MOS and a confirmation SR, it seems related to Bug 17575631 CLUSTER DB HOME PAGE ERRORS- REGIONS FETCH…

During preparation for a client’s datacenter migration, we decided to move services one-by-one to the datacenter / hardware in order to keep the scope of changes controlled. To accomplish this, we also needed to resize the CPU count of Exadata…

The buzz from OpenWorld this year was the permanently free Oracle Cloud offering, the new Exadata X8M (reportedly capable of 12 million I/O per second!), Oracle Autonomous Cloud at Customer, and the new Blockchain table. Here are three interesting or…

Some days ago I was checking for the alarm below, with a very generic message: Message=The aggregate sensor /SYS/CABLE_CONN_STAT has a fault. So, I decided to document some useful commands I used to verify all ports/sensors in my Exadata cluster….

One method to prepare for a Grid Infrastructure (GI) upgrade is to execute runclufy.sh (Cluster Verification Utility). Here, I will demonstrate how I executed runclufy.sh to verify the upgrade, as well as some issues that I encountered. The above is…

Facing an InfiniBand error? Let me guess: Ports 03, 05, 06, 08, 09 and 12 are alerting? You have a Quarter Rack? Have recently installed Exadata plugin to version 12.1.0.3 or higher? Don’t panic! This is probably related to Bug 15937297:…