On Thu, Aug 26, 2021 at 11:14 AM Markus Falb <wnefal@xxxxxxxxx> wrote:
> On 19.08.2021, at 22:40, David Barr <dafydd@xxxxxxxxxx> wrote:
>
> On 8/19/21 12:54, Markus Falb wrote:
>> error: logical volume "root" given in logvol command does not exist
>>
>> What is wrong with my kickstart? What should I change that it works
>> with RHEL 8 too?
>>
>> Best Regards, Markus
>>
>
> I'm going to guess that it can't find the previous root LV that you've asked it for with --useexisting. Do you have a way to test without that option? Will it build a bare root LV on a new VG?
>
> David
I have something that works, but it was somewhat difficult to debug.
Anaconda says “kickstart insufficient” and "error: logical volume "root" given in logvol command does not exist”. The message seems clear but after complaining anaconda is now in interactive mode and the LVs are visible and I can interactive finish the installation. At that point I had the hope that the anaconda generated /root/anaconda-ks.cfg would give some hints but no news there.
The solution is to activate the LVs in %pre
It turns out that there is /dev/sda present but not the device files for /dev/sdaX.
…snip
%pre
mknod /dev/sda2 b 8 2
pvscan
vgchange -ay
%end
snap…
alternatively this oneliner is working too, interestingly
…snip
%pre
parted /dev/sda unit MiB print
%end
snip…
Note that with the parted command it is not necessary to vgchange afterwards.
Something is wrong if no device nodes are being created for your partitions, and I don't think the
problem is in the installer code. That is the job of udev and the kernel IIRC.
Is there a builtin kickstart command that accomplishes the same instead of some %pre?
If not, why is %pre necessary? %pre was not necessary with RHEL7. Is this by design or is it a bug?
Sounds like a bug to me, but not an installer bug. I would start by reading through the syslog and see
what it says about sda. It might tell you why it isn't creating the partitions as expected.
Best Regards, Markus
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