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osc build with kvm on an encrypted volume group

March 15th, 2014 by

How-to build a initrd-virtio on a fully encrypted volume group

If like me you care about your data stored on your laptop, you certainly use a fully encrypted (excepted /boot) configuration based on lvm.

In my case I also like to create, build, fix packages locally with our tool osc. I’ve plenty of power, beefy ssd, so I dedicate a logical lvm for building cleanly package with qemu-kvm configuration, like obs does

Prepare the kvm building system

As root you create 2 lvm volume with lvcreate, one will be the build root, the other one will be the additional swap

In ~/.oscrc I enable the following parameters

build-type = kvm
build-device = /dev/mapper/vg0-lvobsbuild
build-swap = /dev/mapper/vg1-lvobsswap
build-memory = 4096
build-vmdisk-rootsize = 16000
build-vmdisk-swapsize = 4000
build-vmdisk-filesystem = ext4

You just have to adjust the Memory quantity and the device to what you create for your own environment.

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