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Many thanks for your help
Ignazio


Il Mar 27 Mar 2018 09:52 Andreas Scheuring <scheuran at linux.vnet.ibm.com> ha
scritto:

> Hi, I recently did it like this:
>
>
> For Ubuntu: Cherry picked: https://review.openstack.org/#/c/504588/
>
>
> export DIB_BLOCK_DEVICE_CONFIG='
>   - local_loop:
>       name: image0
>       size: 3GB
>
>   - partitioning:
>       base: image0
>       label: mbr
>       partitions:
>         - name: root
>           flags: [ boot, primary ]
>           size: 100%
>   - lvm:
>       name: lvm
>       pvs:
>         - name: pv
>           options: ["--force"]
>           base: root
>
>       vgs:
>         - name: vg
>           base: ["pv"]
>           options: ["--force"]
>
>       lvs:
>         - name: lv_root
>           base: vg
>           size: 1800M
>
>         - name: lv_tmp
>           base: vg
>           size: 100M
>
>         - name: lv_var
>           base: vg
>           size: 500M
>
>         - name: lv_log
>           base: vg
>           size: 100M
>
>         - name: lv_audit
>           base: vg
>           size: 100M
>
>         - name: lv_home
>           base: vg
>           size: 200M
>   - mkfs:
>       name: root_fs
>       base: lv_root
>       label: cloudimage-root
>       type: ext4
>       mount:
>         mount_point: /
>         fstab:
>           options: "defaults"
>           fsck-passno: 1
>
> '
>
> # See https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/1573982
> # See https://bugs.launchpad.net/diskimage-builder/+bug/1715686
> # need to specify lvm2 module to include it into the ramdisk
> disk-image-create -p lvm2 ubuntu-minimal
>
>
> # -> During boot the kernel was still not able to find the root disk
> (identified along uuid)
> # Executing the following command in the initramfs emergency shell made
> the volume appear for me
> $ vgchange -ay
> $ blkid
> # /dev/vda1: UUID="O11hwE-0Efq-SwO7-Bko8-hVe6-jyOT-7UAiza"
> TYPE="LVM2_member" PARTUUID="7885c310-01"
> # /dev/mapper/vg-lv_root: LABEL="cloudimage-root"
> UUID="bd6d2d2c-3ca6-4032-99fc-bf20e246e22a" TYPE=“ext4”
> exit
>
>
>
> Maybe things are going more smoothly with other distros, or maybe things
> have been fixed in the meanwhile… Or I did something wrong…
>
> Good luck!
>
> ---
> Andreas Scheuring (andreas_s)
>
>
>
> On 26. Mar 2018, at 17:43, Ignazio Cassano <ignaziocassano at gmail.com>
> wrote:
>
> Hi all,
> I read diskimage-builder  documentatio but is not clear for me how I can
> supply lvm configuration to the command.
> Some yaml files are supplied but diskimage seems to expect json file.
> Please, could anyone post an example?
> Regards
> Ignazio
>
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