Hi Rod,
Judging by your message in #2, unless I'm missing something, you would have not
been able to re-deploy the machine because efibootmgr had set the boot order to
the disk first. When you re-deployed the machine, MAAS told that machine that
"on the next boot, PXE boot".
"
- The node was already deployed and running when I started. It had the
"ubuntu" entry set as the default in "efibootmgr" output, suggesting
that when it was last deployed (about a month ago?), the bug existed.
- I redeployed, and it worked as expected.
"
As far as IPMI, you do have a way to ensure that the next boot, boots
from PXE. Example EFI boot config for freeipmi-tools:
Section Chassis_Boot_Flags
Boot_Flags_Persistent Yes
BIOS_Boot_Type EFI
Boot_Device PXE
EndSection
And exactly, we as Canonical can control how and when we use efibootmgr to
adjust the boot order. The fact that we are, by default, completely eliminating
the boot order that has been set on the BIOS by the administrator, is IMHO, the
wrong approach. If the administrator has, by default, set PXE as the first in
the boot order, then grub should not be overriding such configuration. There is
a reason why the administrator has set the boot order to PXE first and Ubuntu
shouldn't be changing that.
While I understand you guys have been discussing the solution, and
whatever the solution may be, that doesn't change the fact that both
Blake and I agree in the fact that grub shouldn't be changing the boot
order by default. The fact that it is currently doing it overriding BIOS
settings and we want to work around it, is a completely different
matter. Also, it doesn't mean that curtin shouldn;t be setting this by
default. IMHO, as I already expressed, curtin should ensure setting the
grub to not update the nvram to ensure that curtin maintains what it
does today.
Today, after installation, curtin uses efibootmgr *AND* ensures that PXE
is first on the boot order, and the disk is second as a fallback. As
such, curtin needs to ensure, by default that grub does not overwrite
the efibootmgr configuration that curtin already made.
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https://bugs.launchpad.net/bugs/1642298
Title:
UEFI Xenial install sets computer to boot from hard disk
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