Re: Diskless Debian stretch ISCSI boot (uefi) and shutdown hanging problem

From	Franz Angeli <franz.angeli@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: Diskless Debian stretch ISCSI boot (uefi) and shutdown hanging problem
Date	2017-07-20 07:20 +0200
Message-ID	<u5c2u-2DM-9@gated-at.bofh.it> (permalink)
References	<u4Q1X-49w-9@gated-at.bofh.it> <u52mu-4bx-5@gated-at.bofh.it>
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Hi,

you are correct, in /etc/network/interfaces i have interface eno1
configured with DHCP and after removing configuration system shutdown
correctly.

Thank you!

BR

2017-07-19 20:50 GMT+02:00 Christian Seiler <christian@iwakd.de>:
> Hi,
>
> (I'm one of the maintainers of the open-iscsi package in Debian.)
>
> On 07/19/2017 07:40 AM, Franz Angeli wrote:
>> i have one diskless server able to boot with ISCSI, uefi is configures
>> to reach iscsi target and volume correctly;
>>
>> i installed Debian 9 with debian installer ad all works fine, at the
>> end of installation process i remount root filesystem with (chroot
>> /target) and edit initaramfs.conf with:
>>
>> IP=10.10.200.150::10.10.200.1:255.255.255.0:ti******1.mk*******.it:eno1
>>
>> and after i update initramfs with:
>>
>> update-initramfs -u
>>
>> system boot correctly and works fine.
>>
>> Problem is during shutdown, system hanging with:
>>
>> a stop job is running for ifup for eno1
>>
>> a stop job is running for Raise network interfaces
>>
>> and i have to reset the server...
>>
>> I know i can do the same with:
>>
>> "ISCSI_AUTO=true" on /etc/iscsi/iscsi.initramfs
>>
>> but i need a static IP configured as i do.
>
> Do you perhaps also have something in /etc/network/interfaces or
> /etc/network/interfaces.d, perhaps even DHCP configured? Because
> if that takes over IP configuration and systemd kills the DHCP
> client (which in turn removes the IP of the interface at
> shutdown), then you'll see a hang because the network is gone
> even though you still need it.
>
> (ifupdown _should_ detect rootfs on iSCSI and not try to down
> the interface by script, but the SIGTERM from systemd might
> cause the dhcp client to drop the IP anyway.)
>
> (Also note that you'd need to reboot twice after changing this
> to test if that works.)
>
> Regards,
> Christian

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Thread

Diskless Debian stretch ISCSI boot (uefi) and shutdown hanging problem Franz Angeli <franz.angeli@gmail.com> - 2017-07-19 07:50 +0200
  Re: Diskless Debian stretch ISCSI boot (uefi) and shutdown hanging  problem Dan Ritter <dsr@randomstring.org> - 2017-07-19 20:30 +0200
  Re: Diskless Debian stretch ISCSI boot (uefi) and shutdown hanging  problem Christian Seiler <christian@iwakd.de> - 2017-07-19 21:00 +0200
    Re: Diskless Debian stretch ISCSI boot (uefi) and shutdown hanging problem Franz Angeli <franz.angeli@gmail.com> - 2017-07-20 07:20 +0200

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