Infrastructure at your Service

All posts by Thomas Rein

Thomas Rein
Senior Consultant

Thomas Rein has thirty years of experience in managing Oracle projects and their infrastructures. He is specialized in Oracle technologies such as performance optimization and tuning, standardization, backup & recovery, high availability solutions such as Oracle Real Application Clusters (RAC), Oracle Data Guard and Oracle Grid Infrastructure. He is also experienced in the Oracle middleware stack areas: Weblogic Server, Oracle Identity Management (IDM), Forms Reports Services (PFRD) and SOA. Prior to joining dbi services he was CTO for the Oracle stack of h+r AG Kreuzlingen and CEO of h+r GmbH Pforzheim. His industry experience includes the areas of medical technology, automotive, logistics, pharmaceuticals, retail and public administration.
Thomas Rein

odacli create-database fails on ODA X7-2HA with java.lang.OutOfMemoryError

By | Database Administration & Monitoring, Oracle | No Comments

Today I was onsite at my customer and he told me: I can no longer create databases on my ODA X7-2HA, every time I try to use odacli create-database it fails, please help. Ok, let’s check what happens, the customer shares the Oracle Homes, he wants to create a 11.2.0.4 database: [root@robucnoroda020 ~]# odacli list-dbhomes ID Name DB Version Home Location Status —————————————- ——————– —————————————- ——————————————— ———- 157bfdf4-4430-4fb1-878e-2fb803ee54bd OraDB11204_home1 11.2.0.4.180417 (27441052, 27338049) /u01/app/oracle/product/11.2.0.4/dbhome_1 Configured 2aaba0e6-4482-4c9f-8d98-4a9d72fdb96e…

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Thomas Rein

DOAG 2018: OVM or KVM on ODA?

By | Database Administration & Monitoring, Database management, Oracle | No Comments

The DOAG 2018 is over, for me the most important topics were in the field of licensing. The insecurity among the users is great, let’s take virtualization on the ODA, for example: The starting point: The customer uses Oracle Enterprise Edition, has 2 CPU licenses, uses Dataguard as disaster protection on 2 ODA X7-2M systems and wants to virtualize, he also has 2 application servers that are also to be virtualized. Sure, if I use…

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Thomas Rein

Migrate Windows VM with more than 4 Disks from VMware to OVM

By | Database Administration & Monitoring, Oracle | No Comments

Suppose you got an OVA image created on VMware and the VM contains more than 4 Disks and you have to migrate this machine from VMware to OVM. As first step you import the OVA into the OVM in the usual way: You see the that the appliance was imported successfully, we have 5 disks: Now you create your VM from the imported appliance: So far so good, lets have a look on our newly created VM:…

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Thomas Rein

DOAG 2017

By | Database Administration & Monitoring | No Comments

Als Consultant bei dbi services war ich die letzten 2 Jahre hauptsächlich in Konsolidierungsprojekten basierend auf den Oracle Engineered Systems unterwegs. Deshalb waren für mich natürlich die Vorträge über die neue Generation der Oracle Database Appliance X7-2 interessant. Aus meiner Sicht hat Oracle den richtigen Schritt getan und die Vielfalt der ODA Systeme wie es sie noch in der X6-2 Generation gab (Small/Medium/Large und HA) reduziert. Künftig wird es die ODA X7-2 nur noch in…

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