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I think maybe you want to check out diskimage-builder

Donny Davis
c: 805 814 6800

On Tue, Sep 29, 2020, 4:49 PM Oliver Weinmann <oliver.weinmann at me.com>
wrote:

> Hi again,
>
> I managed to install the kmod rpms in the overcloud-full.qcow2 image:
>
> sudo yum -y install https://
> www.elrepo.org/elrepo-release-8.el8.elrepo.noarch.rpm
> sudo yum -y install --downloadonly --downloaddir=. kmod-mptsas
> sudo yum -y install --downloadonly --downloaddir=. kmod-megaraid_sas
>
> The deployment works fine, but as soon as the node reboots it is just
> stuck with a blinking cursor after loading the kernel.
>
> Do I have to add something else to the overcloud-full image as well?
>
> Am 15.09.2020 um 00:15 schrieb Donny Davis:
>
>
>
> On Fri, Sep 11, 2020 at 3:25 PM Oliver Weinmann <
> oliver.weinmann at icloud.com> wrote:
>
>> Hi,
>>
>> I already asked this question on serverfault. But I guess here is a
>> better place.
>>
>> I have a very ancient hardware with a MPTSAS controller. I use this for
>> TripleO deployment testing. With the release of Ussuri which is running
>> CentOS8, I can no longer provision my overcloud nodes as the MPTSAS driver
>> has been removed in CentOS8:
>>
>>
>> https://www.reddit.com/r/CentOS/comments/d93unk/centos8_and_removal_mpt2sas_dell_sas_drivers/
>>
>> I managed to include the driver provided from ELrepo in the introspection
>> image but It is not loaded automatically:
>>
>> All commands are run as user "stack".
>>
>> Extract the introspection image:
>>
>> cd ~
>> mkdir imagesnew
>> cd imagesnew
>> tar xvf ../ironic-python-agent.tar
>> mkdir ~/ipa-tmp
>> cd ~/ipa-tmp
>> /usr/lib/dracut/skipcpio ~/imagesnew/ironic-python-agent.initramfs | zcat
>> | cpio -ivd | pax -r
>>
>> Extract the contents of the mptsas driver rpm:
>>
>> rpm2cpio ~/kmod-mptsas-3.04.20-3.el8_2.elrepo.x86_64.rpm | pax -r
>>
>> Put the kernel module in the right places. To figure out where the module
>> has to reside I installed the rpm on a already deployed node and used find
>> to locate it.
>>
>> xz -c ./usr/lib/modules/4.18.0-193.el8.x86_64/extra/mptsas/mptsas.ko >
>> ./usr/lib/modules/4.18.0-193.6.3.el8_2.x86_64/kernel/drivers/message/fusion/mptsas.ko.xz
>> mkdir ./usr/lib/modules/4.18.0-193.6.3.el8_2.x86_64/weak-updates/mptsas
>> sudo ln -sf /lib/modules/4.18.0-193.el8.x86_64/extra/mptsas/mptsas.ko
>> lib/modules/4.18.0-193.6.3.el8_2.x86_64/weak-updates/mptsas.ko
>> sudo chown root . -R
>> find . 2>/dev/null | sudo cpio --quiet -c -o | gzip -8  >
>> ~/images/ironic-python-agent.initramfs
>>
>> Upload the new image
>>
>> cd ~/images
>> openstack overcloud image upload --update-existing --image-path
>> /home/stack/images/
>>
>> Now when I start the introspection and ssh into the host I see no disks:
>>
>> [root at localhost ~]# fdisk -l
>> [root at localhost ~]# lsmod | grep mptsas
>>
>> Once i manually load the driver, I can see the disks:
>>
>>
>> [root at localhost ~]# modprobe mptsas
>> [root at localhost ~]# lsmod | grep mptsas
>> mptsas                 69632  0
>> mptscsih               45056  1 mptsas
>> mptbase                98304  2 mptsas,mptscsih
>> scsi_transport_sas     45056  1 mptsas
>> [root at localhost ~]# fdisk -l
>> Disk /dev/sda: 67.1 GiB, 71999422464 bytes, 140623872 sectors
>> Units: sectors of 1 * 512 = 512 bytes
>> Sector size (logical/physical): 512 bytes / 512 bytes
>> I/O size (minimum/optimal): 512 bytes / 512 bytes
>>
>> But how can I make it so that it will automatically load on boot?
>>
>> Best Regards,
>>
>> Oliver
>>
>
> I guess you could try using modules-load to load the module at boot.
>
> > sudo ln -sf /lib/modules/4.18.0-193.el8.x86_64/extra/mptsas/mptsas.ko
> lib/modules/4.18.0-193.6.3.el8_2.x86_64/weak-updates/mptsas.ko
> echo "mptsas" > ./etc/modules-load.d/mptsas.conf
> > sudo chown root . -R
>
> Also I would have a look see at these docs to build an image using ipa
> builder
> https://docs.openstack.org/ironic-python-agent-builder/latest/
> --
> ~/DonnyD
> C: 805 814 6800
> "No mission too difficult. No sacrifice too great. Duty First"
>
>
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