IPMI BMC IP address not detected when there are multiple BMC NICs

[Newell Jensen]

Just to update the mailing list, Christopher will be submitting a pull
request to MAAS as was suggested to him in
https://bugs.launchpad.net/maas/+bug/1742299

Thanks for the contribution Christopher!

Cheers,

Newell

On Tue, Jan 9, 2018 at 4:04 PM, Christopher Berner <cberner at openai.com>
wrote:

> Added a patch to that bug report. Let me know if you have any feedback!
>
> On Tue, Jan 9, 2018 at 2:57 PM Christopher Berner <cberner at openai.com>
> wrote:
>
>> Thanks, for the feedback! I filed a bug report here (
>> https://bugs.launchpad.net/maas/+bug/1742299), and will see if I can
>> figure out a patch (never contributed to MAAS before)
>>
>> On Fri, Jan 5, 2018 at 9:41 AM J <dreadpiratejeff at gmail.com> wrote:
>>
>>> On Fri, Jan 5, 2018 at 11:36 AM, Ante Karamatić
>>> <ante.karamatic at canonical.com> wrote:
>>> > On Fri, Jan 5, 2018 at 4:37 PM Christian Robottom Reis <
>>> kiko at canonical.com>
>>> > wrote:
>>> >>
>>> >> On Wed, Jan 03, 2018 at 01:22:58AM +0000, Christopher Berner wrote:
>>> >> > I have a ASUS RS400-E8-PS2, which has 2 LAN ports for management.
>>> One
>>> >> > dedicated to the BMC, and one that's shared with the OS's LAN1. The
>>> >> > dedicated one is mapped to LAN channel 1, and the shared one is
>>> mapped
>>> >> > to
>>> >> > LAN channel 8. If I use the dedicated port, MaaS automatic
>>> enlistment
>>> >> > works
>>> >> > fine. However, when trying to use the shared port it fails, because
>>> >> > bmc-config returns 0.0.0.0 for the IP address, unless
>>> --lan-channel=8 is
>>> >> > used.
>>> >> > I hacked maas_ipmi_autodetect.py to use --lan-channel=8. However, is
>>> >> > there
>>> >> > a better solution? And if not, would you take a patch that attempts
>>> to
>>> >> > auto-detect the correct LAN channel to use?
>>> >>
>>> >> Ante, what do you think?
>>> >
>>> >
>>> > Looking at the specifications[1] of the machine, it should have 2 LAN
>>> ports
>>> > and 1 BMC port.
>>> >
>>> > I assume this BMC port is then set in sharing mode, where it can be
>>> used by
>>> > both OS and the BMC itself. If that's the case, then bmc-config needs
>>> to
>>> > identify which channel is used for BMC or it needs to be instructed to
>>> look
>>> > to all channels and ignore those that do not have an IP or are not
>>> usable at
>>> > all.
>>>
>>> I thought so too, but the config guide for that series, interestingly
>>> enough, looks to be the opposite.
>>>
>>> See page 5-41 for a screen shot of the BMC network config in the BIOS
>>> settings.
>>>
>>> and then the rear panel and motherboard diagrams (pages 1-6 and 4-2
>>> respectively).
>>>
>>> It does indeed appear that you can either configure the dedicated
>>> management port (DM1) OR a shared, separate port (LAN1) (not sure if
>>> it would allow you to configure them simultaneously though).
>>>
>>> I don't believe I have ever seen this sort of network setup before.
>>>
>>> Jeff
>>>
>>> [1] https://fast.ulmart.ru/manuals/3393739.pdf
>>>
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>>
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