We are using a LUKS partition containing a GPT table and several partions.

With libguestfs we can open the LUKS partition and the /dev/mapper/<mapname> device become available, but nested partition are not seen by the kernel. partprobe need to be run (or may be kpartx) to make partitions available in /dev/mapper.

AFAIK there are no simple solution.
As a workaround we use guestfs_debug but it's not a long term solution.

We can see two solutions:

• adding a udev rule that will automatically run partpobe when a new device appeared in /dev/mapper
• adding a new API in libguestfs guestfs_partprobe(device) that can be call by the user when needed.

What is the best best solution from your point of view?
We can help implementing it.

Regards

Philippe Midol-Monnet

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