VirtualBox: Expand the Oracle PreBuilt VM HD partition in Mac OSX

Oracle has provide sets of Prebuilt VM for developers can try. For this purpose, i have downloaded the smallest Prebuilt VM “Database App Development that contains Oracle 11gR2 and it runs on Oracle Linux. By default, this Prebuilt VM comes with 2 of 12G hdd settings. the /home/ already occupies 7.5G which we cannot extend our database for future development environment, like having Webcenter Suit on that Prebuilt VM.

The Prebuilt VM file would be Oracle_Developer_Day.ova

The software that use to expand the partition in LINUX is GParted ,gparted-live-0.14.1-6-i486.iso

The application for expanding the storage in VirtualBox is VBoxManage and the command involved are clonehd and modifyhd

The original storage for the Oracle_Developer_Day.ova are Oracle_Developer_Day-disk2.vmdk and Oracle_Developer_Day-disk1.vmdk , depends on your machine. Im going to expand the /home/ which located in Oracle_Developer_Day-disk2.vmdk

Once imported into VirtualBox , jump straight to expand the storage. Since im using MAC , the exact location of VirtualBox ( if you have moved it to Application folder) is /Applications/VirtualBox.app/Contents/MacOS/

The resizehd value is in Mb , since im going to expand to around 30Gb , the value should be like or around 30720

Clone the original vmdk to VDI , since we can only resize VDI file

/Applications/VirtualBox.app/Contents/MacOS/VBoxManage clonehd “<full path>/Oracle_Developer_Day-disk2.vmdk” “/<fullpath>/disk2-clone.vdi” –format vdi

/Applications/VirtualBox.app/Contents/MacOS/VBoxManage modifyhd “/<fullpath>/disk2-clone.vdi” –resize 30720

/Applications/VirtualBox.app/Contents/MacOS/VBoxManage clonehd “/<fullpath>/disk2-clone.vdi” “/<fullpath>/Oracle_Developer_Day-disk2-resized.vmdk” –format vmdk

Now at the VirtualBox , remove the existing storage Oracle_Developer_Day-disk2.vmdk and add this Oracle_Developer_Day-disk2-resized.vmdk

Now load the GParted iso gparted-live-0.14.1-6-i486.iso into the VirtualBox. Start the machine and choose the boot option to CD. Now you can expand the storage using GParted which i will not explain that .

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