Feedback on the HPE ProLiant DL380p Gen8

For starters, Ubuntu 18.04 does not support 4.13 or 4.4, or any older kernel versions, 18.04 is meant to use 4.15 or later.

If you actually meant 16.04, did you try 16.04.6 with the 4.15 kernel? If it works on 18.04 with 4.15, it should work with 16.04 with 4.15 HWE as well.

That said, the P420i should work using the hpsa driver. mdadm is meant for controlling sofware RAID, so I'm a bit confused as to why you're having software RAID issues on a hardware RAID controller. The P series cards, as I understand it, are ONLY RAID and thus cannot be used in JBOD mode. So it's a bit odd to see a sofware RAID running on top of hardware RAID.
FAQ #1945: “Where can I get help or technical support?”.

Thank you for the reply Jeff.

"For starters, Ubuntu 18.04 does not support 4.13 or 4.4, or any older kernel versions, 18.04 is meant to use 4.15 or later."

Maybe your are correct, but we machine running Ubuntu 18.04 with kernel 4.13

Welcome to Ubuntu 18.04.2 LTS (GNU/Linux 4.13.0-36-generic x86_64)

 * Documentation: https://help.ubuntu.com
 * Management: https://landscape.canonical.com
 * Support: https://ubuntu.com/advantage

  System information as of Thu Jun 27 15:08:31 UTC 2019

  System load: 0.02 Processes: 124
  Usage of /: 56.8% of 28.90GB Users logged in: 0
  Memory usage: 51% IP address for eth0: 192.168.1.1
  Swap usage: 0%

 * Ubuntu's Kubernetes 1.14 distributions can bypass Docker and use containerd
   directly, see https://bit.ly/ubuntu-containerd or try it now with

     snap install microk8s --classic

  Get cloud support with Ubuntu Advantage Cloud Guest:
    http://www.ubuntu.com/business/services/cloud

 * Canonical Livepatch is available for installation.
   - Reduce system reboots and improve kernel security. Activate at:
     https://ubuntu.com/livepatch

120 packages can be updated.
16 updates are security updates.

*** System restart required ***
Last login: Wed Jun 19 16:03:10 2019 from 192.168.0.177
user1@testserver:~$ uname -r
4.13.0-36-generic

------

We're you able to do testing Ubuntu 18.04 with kernel 4.13 or 4.4. Per my testing result Ubuntu 18.04 can support kernel 4.13 and 4.4.

Thanks,

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Thank you for the reply Jeff.

"For starters, Ubuntu 18.04 does not support 4.13 or 4.4, or any older kernel versions, 18.04 is meant to use 4.15 or later."

Maybe your are correct, but we machine running Ubuntu 18.04 with kernel 4.13

Welcome to Ubuntu 18.04.2 LTS (GNU/Linux 4.13.0-36-generic x86_64)

 * Documentation: https://help.ubuntu.com
 * Management: https://landscape.canonical.com
 * Support: https://ubuntu.com/advantage

  System information as of Thu Jun 27 15:08:31 UTC 2019

  System load: 0.02 Processes: 124
  Usage of /: 56.8% of 28.90GB Users logged in: 0
  Memory usage: 51% IP address for eth0: 192.168.1.1
  Swap usage: 0%

 * Ubuntu's Kubernetes 1.14 distributions can bypass Docker and use containerd
   directly, see https://bit.ly/ubuntu-containerd or try it now with

     snap install microk8s --classic

  Get cloud support with Ubuntu Advantage Cloud Guest:
    http://www.ubuntu.com/business/services/cloud

 * Canonical Livepatch is available for installation.
   - Reduce system reboots and improve kernel security. Activate at:
     https://ubuntu.com/livepatch

120 packages can be updated.
16 updates are security updates.

*** System restart required ***
Last login: Wed Jun 19 16:03:10 2019 from 192.168.0.177
user1@testserver:~$ uname -r
4.13.0-36-generic

------

We're you able to do testing Ubuntu 18.04 with kernel 4.13 or 4.4. Per my testing result Ubuntu 18.04 can support kernel 4.13 and 4.4.

Thanks,

>> We're you able to do testing Ubuntu 18.04 with kernel 4.13 or 4.4. Per my testing result Ubuntu 18.04 can support kernel 4.13 and 4.4.

No, as I said, Ubuntu 18.04 only supports 4.15 or later. You may be able to install older kernels and run them, but we do not test that and do not support it officially.