Archive for October, 2010

In today’s Oracle VM Manager there is no way of extending the disk size of a guest VM. However, via this tutorial I will show you how to extend the .img file.

PLEASE NOTE: It is highly recommended to make a backup of the disktoExtend.img file prior to trying the steps below.

Let us assume we have an Oracle VM guest which contains 3 files. The three files are the following: System.img, disktoExtend.img, and vm.cfg. Our guest VM is running RHEL/OEL.

[root@OVMSERVER]# ll
total 22000640
-rw-r--r-- 1 root root 26847313920 Oct 13 10:28 disktoExtend.img
-rw-r--r-- 1 root root 11630545920 Oct 13 09:57 System.img
-rw-rw-rw- 1 root root 459 Oct 13 10:27 vm.cfg

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If you haven’t checked out the latest Oracle 11gR2 ( VM template, it can be found at

Once there, under ‘Select a Product Pack’, pick Oracle VM Templates, and under ‘Platform’ pick your achitecture, 32 bit or 64 bit. Then look for the template labeled: Oracle VM Templates for Oracle RAC 11gR2 Media Pack v1 for x86 (32 bit) or Oracle VM Templates for Oracle RAC 11gR2 Media Pack v1 for x86_64

The 11gR2 templates are linked on OTN at:

However, if your looking for the 11gR2 ( Oracle VM template, it requires you have access to My Oracle Support. Only customers with support can download the under the patch number 10113572

If you want to know more about how the templates work and have access to Oracle OpenWorld on Demand, once logged in go to the search navigation bar and type ‘Oracle VM Best Practices’, once there you will find our (Saar Maoz and Roger Lopez) session presentation slide deck as well as audio to accompany the slide deck. Saar did a great job on creating these templates and it truly shows. I hope you all can check them out!

If you do not have access to download the presentation but want a copy, feel free to comment on this post so I can get you a copy.