** Description changed:
+ [Impact]
+ Netboot users with a remote filesystem over NFS (possibly over other
networked filesystems).
+
+ [Test cases]
+ 1) Boot a system with its root filesystem over NFS.
+ 2) Run 'sudo netplan apply'
+ 3) Validate that the system remains responsive and keeps connectivity over
the same IP address as it had.
+
+ [Regression potential]
+ This SRU changes network properties, and enforces that networkd does not
release and re-request an IP address from DHCP when it is restarted.
Environments relying on the IP release/renew behavior may find themselves
staying on the previous IP address, which might negatively impact connectivity.
Changes in connectivity on a system running netplan should be investigated as a
potential regression from this SRU. Other regression possibilities would
include failure to get a new IP address over time (usually seen as losing
connectivity) or possible IP conflicts on a network.
+
+ ---
+
With a system booted on the network, with its remote root fs on NFS:
Running 'netplan apply' restarts systemd-networkd, which releases the IP
received from DHCP. With no IP (and and IP potentially changing), the
NFS server can't be reached so the system hangs.
'netplan apply' or restarting systemd-networkd should not affect teh
system, it should continue working normally despite "changing" network
states, as long as the effective IP remains the same.
** Also affects: nplan (Ubuntu)
Importance: Undecided
Status: New
** Also affects: initramfs-tools (Ubuntu)
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1769682
Title:
NFS-based remote root hangs when running 'netplan apply'
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1769682/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
