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Re: [Libguestfs] [PATCH] builder: templates: For RHEL, CentOS >= 7 and all Fedora, default to GPT.

On Tuesday, 17 October 2017 17:35:51 CET Richard W.M. Jones wrote:
> The immediate issue is with Fedora/ppc64 and /ppc64le which currently
> use extended partitions, breaking the virt-builder ‘--size’ parameter,
> eg:
>   $ virt-builder --arch ppc64le fedora-26 --size 20G
>   ...
>   [  21.6] Resizing (using virt-resize) to expand the disk to 20.0G
>   virt-resize: error: /dev/sda5: partition not found in the source disk image
>   (this error came from '--expand' option on the command line).  Try running
>   this command: virt-filesystems --partitions --long -a /var/tmp/vbf67b8c.img
> However more generally MBR is broken and should die.  GPT is supported
> by all modern virtual bootloaders, so just default to it.
> Notes:
> * This is different from mandating a UEFI bootloader.
> * I am not planning to rebuild any existing images except the
>   F26 ppc64 & ppc64le ones.
> ---

The reasons above suggest me that we should switch all the distros (in the
libguestfs.org repository) to GPT, not just the ones in this patch.

Pino Toscano

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