CentOS - Apr 2020 - INITRD_MODULES

I am trying to take a CentOS 7 img and get hyperv to boot.

First step.
qemu-img convert "CentOS7.img" -O vhdx -o subformat=dynamic
"CentOS7.vhdx"

after adding new hyper-v I get dracut-timeout...
So doing some searching it says add hv_vmbus hv_netvsc hv_storvsc to
INITRD_MODULES.

which doesnt really exist any more in CentOS 7.

I did find /etc/dracut.conf and add_drivers...
I uncommented the line for '#add_drivers += "" ' added the
above modules
and then ran:
grub2-mkconfig -o /boot/grub2/grub.cfg

Then redid the convert above... Hyper-V still gives me dracut-timeout
errors.

Thoughts ? Did I miss something ?

Thanks

Jerry

Am 29.04.2020 um 21:48 schrieb Jerry Geis:
> I am trying to take a CentOS 7 img and get hyperv to boot.
> 
> First step.
> qemu-img convert "CentOS7.img" -O vhdx -o subformat=dynamic
"CentOS7.vhdx"
> 
> after adding new hyper-v I get dracut-timeout...
> So doing some searching it says add hv_vmbus hv_netvsc hv_storvsc to
> INITRD_MODULES.
> 
> which doesnt really exist any more in CentOS 7.
> 
> I did find /etc/dracut.conf and add_drivers...
> I uncommented the line for '#add_drivers += "" ' added
the above modules
> and then ran:
> grub2-mkconfig -o /boot/grub2/grub.cfg
Why didn't you run dracut to create the new initramfs image file?
> Then redid the convert above... Hyper-V still gives me dracut-timeout
> errors.
> 
> Thoughts ? Did I miss something ?
> 
> Thanks
> 
> Jerry
Alexander

Sure - I'm game. I didn't know to run dracut directly I guess (never
done
it).
What is the command for that on CentOS 7.
dracut ....

Jerry

Am 29.04.2020 um 22:07 schrieb Jerry Geis:
> Sure - I'm game. I didn't know to run dracut directly I guess
(never done
> it).
> What is the command for that on CentOS 7.
> dracut ....
> 
> Jerry

man dracut

Alexander

> man dracut
Sure there is always that - thanks. But for a person doing this the first
time - one is always wondering if he did something wrong with the command -
that is why I asked.

I'm doing something like:
dracut -f /boot/initramfs-3.10.0-1062.el7.x86_64.img $(uname -r)

Thanks again. Is there not a "simpler" command that says take the
current kernel and re-run - no command args - it just knows what the
current kernel is and does it?

Jerry