I am facing the same error and some more. Your last comment (#4) made me
wonder. I had manually activated target.service because some tutorial I
was following at that time told me so. I remember that it had not been
automatically activated upon installation. So maybe the problem is
indeed caused by having two service files calling '/usr/bin/targetctl
restore' upon system start. That would make sense, not?
The following cases can be extracted from the syslog (ordered entries
after boot, timestamps stripped for easier readability):
1.) _Backstore already exists, Could not create Qla2xxxFabricModule, Directory
not empty
Starting rtslib-fb-targetctl.service - Restore LIO kernel target
configuration...
Starting target.service - Restore LIO kernel target configuration...
Could not create StorageObject S109-B: This _Backstore already exists in
configFS, skipped
Could not create Target object: Could not create Qla2xxxFabricModule in
configFS, skipped
Finished rtslib-fb-targetctl.service - Restore LIO kernel target configuration.
Could not create StorageObject S109-A: [Errno 39] Directory not empty:
'/sys/kernel/config/target/core/iblock_0', skipped
Finished target.service - Restore LIO kernel target configuration.
2.) No saved config file, No such file or directory
Starting rtslib-fb-targetctl.service - Restore LIO kernel target
configuration...
Starting target.service - Restore LIO kernel target configuration...
No saved config file at /etc/rtslib-fb-target/saveconfig.json, ok, exiting
Finished target.service - Restore LIO kernel target configuration.
Could not create StorageObject S109-A: [Errno 2] No such file or directory:
'/sys/kernel/config/target/core/iblock_0/S109-A/alua', skipped
Could not find matching StorageObject for LUN 0, skipped
Could not find matching TPG LUN 0 for MappedLUN 0, skipped
Finished rtslib-fb-targetctl.service - Restore LIO kernel target configuration.
3.) UnboundLocalError: cannot access local variable 'lun_obj'
Starting rtslib-fb-targetctl.service - Restore LIO kernel target
configuration...
Starting target.service - Restore LIO kernel target configuration...
Traceback (most recent call last):
File "/usr/bin/targetctl", line 82, in <module>
main()
File "/usr/bin/targetctl", line 79, in main
funcs[sys.argv[1]](savefile)
File "/usr/bin/targetctl", line 47, in restore
errors = RTSRoot().restore_from_file(restore_file=from_file)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/rtslib_fb/root.py", line 508, in
restore_from_file
return self.restore(config, target, storage_object,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/rtslib_fb/root.py", line 442, in restore
Target.setup(fm_obj, t, err_func)
File "/usr/lib/python3/dist-packages/rtslib_fb/target.py", line 133, in setup
TPG.setup(t_obj, tpg, err_func)
File "/usr/lib/python3/dist-packages/rtslib_fb/target.py", line 427, in setup
LUN.setup(tpg_obj, lun, err_func)
File "/usr/lib/python3/dist-packages/rtslib_fb/target.py", line 686, in setup
lun_obj.alua_tg_pt_gp_name = lun['alua_tg_pt_gp_name']
^^^^^^^
UnboundLocalError: cannot access local variable 'lun_obj' where it is not
associated with a value
rtslib-fb-targetctl.service: Main process exited, code=exited, status=1/FAILURE
rtslib-fb-targetctl.service: Failed with result 'exit-code'.
Failed to start rtslib-fb-targetctl.service - Restore LIO kernel target
configuration.
rtslib-fb-targetctl.service: Consumed 1.168s CPU time.
Finished target.service - Restore LIO kernel target configuration.
4.) No errors
Starting rtslib-fb-targetctl.service - Restore LIO kernel target
configuration...
Starting target.service - Restore LIO kernel target configuration...
No saved config file at /etc/rtslib-fb-target/saveconfig.json, ok, exiting
Finished target.service - Restore LIO kernel target configuration.
Finished rtslib-fb-targetctl.service - Restore LIO kernel target configuration.
I have not paid much attention to when what changes were done to the
configuration via targetclil so I cannot do more troubleshooting at the
moment. However, I have deactivated target.service and shall have a
close watch on the syslog for a while.
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https://bugs.launchpad.net/bugs/2085154
Title:
rtslib-fb-targetctl.service crashes on startup
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