Public bug reported:
This is not a bug, but rather an "optimisation" request.
(Probably set this as "enhancement request" + Low)
Apparently, the package is assuming the user will need some iscsi mounts
for his session, and is putting dependencies in the systemd
services/targets which effects are to delay "graphical.target" to after
the point when the network is online.
A great job has been done by Ubuntu so that the O.S. appears to be
"snappy" from the boot, and when the session is in "auto-login", it
really makes a great difference and a good feeling of the system being
very quick.
This assumption of open-iscsi sort of ruins that effort.
As an example, on my PC the graphical target is delayed 10 seconds more
(was 22 seconds and is now 32). The impression is not as good and the
system feels "slow again" (although it is just a feeling!)
Step to reproduced (you don't even need to have iscsi LUNs to to so, just
install the package!)
- Start from a clean 20.04, boot up and issue: systemd-analyze
- Now install open-iscsi, reboot and issue again: systemd-analyze
The result will probably be a big impact on "graphical target", although
total time does not change a lot.
My usage is not needing iscsi targets for my session.
I have a NAS with iscsi LUNs, and when I need those mounts, I just start them
with a command.
sudo iscsiadm -m node -l
Then Gnome recognises a new disk has been inserted and does an "auto mount".
This command works whether the service was started or not.
This wrong assumption is easily fixed in my case with this command:
sudo systemctl disable iscsid.socket iscsid.service open-iscsi.service
Then, at the next reboot the graphical target is snappy again, and does not
have to wait for network-online and remote-fs targets.
I don't know what can be done to cope with both situations : those who
need an iscsi target mounted for their session, and those who don't...
but I guess the philosophy now should be to assume the user does not
need such targets, and don't put dependencies that delay the snappy boot
process.
For those who need those mounted remote fs for their session, detailed
help on how to enable iscsi services at startup should be provided.
** Affects: open-iscsi (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1882986
Title:
open-iscsi is slowing down the boot process
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