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Hi Swogat,
Thanks for the inputs, it was showing a similar issue but somehow the issue
is not getting resolved.
we are trying to explore more around it.

getting the error in
ovn-metadata-agent.log
Cannot find Chassis_Private with name=f80799b9-0cf4-4413-bb4b-e36278c73f6c

detailed:
2023-05-17 19:26:31.984 45317 INFO oslo.privsep.daemon [-] privsep daemon
running as pid 45317
2023-05-17 19:26:32.712 44735 ERROR ovsdbapp.backend.ovs_idl.transaction
[-] Traceback (most recent call last):
  File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/connection.py",
line 131, in run
    txn.results.put(txn.do_commit())
  File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/transaction.py",
line 93, in do_commit
    command.run_idl(txn)
  File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/command.py",
line 172, in run_idl
    record = self.api.lookup(self.table, self.record)
  File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/__init__.py",
line 208, in lookup
    return self._lookup(table, record)
  File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/__init__.py",
line 268, in _lookup
    row = idlutils.row_by_value(self, rl.table, rl.column, record)
  File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/idlutils.py",
line 114, in row_by_value
    raise RowNotFound(table=table, col=column, match=match)
ovsdbapp.backend.ovs_idl.idlutils.RowNotFound: Cannot find Chassis_Private
with name=f80799b9-0cf4-4413-bb4b-e36278c73f6c

2023-05-17 19:26:32.713 44735 ERROR ovsdbapp.backend.ovs_idl.command [-]
Error executing command (DbAddCommand):
ovsdbapp.backend.ovs_idl.idlutils.RowNotFound: Cannot find Chassis_Private
with name=f80799b9-0cf4-4413-bb4b-e36278c73f6c
2023-05-17 19:26:32.713 44735 ERROR ovsdbapp.backend.ovs_idl.command
Traceback (most recent call last):
2023-05-17 19:26:32.713 44735 ERROR ovsdbapp.backend.ovs_idl.command   File
"/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/command.py",
line 42, in execute

waiting for your always helpful inputs.

On Tue, May 16, 2023 at 10:47 PM Swogat Pradhan <swogatpradhan22 at gmail.com>
wrote:

> Hi
> I am not sure if this will help, but i faced something similar.
> You might need to check the ovn database entries.
> http://www.jimmdenton.com/neutron-ovn-private-chassis/
>
> Or maybe try restarting the ovn service from pcs, sometimes issue comes up
> when ovn doesn't sync up.
>
> Again m not sure if this will be of any help to you.
>
> With regards,
> Swogat Pradhan
>
> On Tue, 16 May 2023, 10:41 pm Lokendra Rathour, <lokendrarathour at gmail.com>
> wrote:
>
>> Hi All,
>> Was trying to create OpenStack VM in OpenStack wallaby release, not able
>> to create VM, it is failing because of Port not getting created.
>>
>> The error that we are getting:
>> nova-compute.log:
>>
>> 2023-05-16 18:15:35.495 7 INFO nova.compute.provider_config
>> [req-faaf38e7-b5ee-43d1-9303-d508285f5ab7 - - - - -] No provider configs
>> found in /etc/nova/provider_config. If files are present, ensure the Nova
>> process has access.
>> 2023-05-16 18:15:35.549 7 ERROR nova.cmd.common
>> [req-8842f11c-fe5a-4ad3-92ea-a6898f482bf0 - - - - -] No db access allowed
>> in nova-compute:   File "/usr/bin/nova-compute", line 10, in <module>
>>     sys.exit(main())
>>   File "/usr/lib/python3.6/site-packages/nova/cmd/compute.py", line 59,
>> in main
>>     topic=compute_rpcapi.RPC_TOPIC)
>>   File "/usr/lib/python3.6/site-packages/nova/service.py", line 264, in
>> create
>>     utils.raise_if_old_compute()
>>   File "/usr/lib/python3.6/site-packages/nova/utils.py", line 1068, in
>> raise_if_old_compute
>>     ctxt, ['nova-compute'])
>>   File "/usr/lib/python3.6/site-packages/nova/objects/service.py", line
>> 563, in get_minimum_version_all_cells
>>     binaries)
>>   File "/usr/lib/python3.6/site-packages/nova/context.py", line 544, in
>> scatter_gather_all_cells
>>     fn, *args, **kwargs)
>>   File "/usr/lib/python3.6/site-packages/nova/context.py", line 432, in
>> scatter_gather_cells
>>     with target_cell(context, cell_mapping) as cctxt:
>>   File "/usr/lib64/python3.6/contextlib.py", line 81, in __enter__
>>     return next(self.gen)
>>
>>
>> neutron/ovn-metadata-agent.log
>>
>> 2023-05-16 22:33:41.871 45204 ERROR ovsdbapp.backend.ovs_idl.command
>> ovsdbapp.backend.ovs_idl.idlutils.RowNotFound: Cannot find Chassis_Private
>> with name=b6e6f0d3-40c6-4d4e-8ef6-c935fa027bd2
>> 2023-05-16 22:33:41.871 45204 ERROR ovsdbapp.backend.ovs_idl.command
>> 2023-05-16 22:36:41.876 45204 ERROR ovsdbapp.backend.ovs_idl.transaction
>> [-] Traceback (most recent call last):
>>   File
>> "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/connection.py",
>> line 131, in run
>>     txn.results.put(txn.do_commit())
>>   File
>> "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/transaction.py",
>> line 93, in do_commit
>>     command.run_idl(txn)
>>   File
>> "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/command.py",
>> line 172, in run_idl
>>     record = self.api.lookup(self.table, self.record)
>>   File
>> "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/__init__.py",
>> line 208, in lookup
>>     return self._lookup(table, record)
>>   File
>> "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/__init__.py",
>> line 268, in _lookup
>>     row = idlutils.row_by_value(self, rl.table, rl.column, record)
>>   File
>> "/usr/lib/python3.6/site-packages/ovsdbapp/backend/ovs_idl/idlutils.py",
>> line 114, in row_by_value
>>     raise RowNotFound(table=table, col=column, match=match)
>> ovsdbapp.backend.ovs_idl.idlutils.RowNotFound: Cannot find
>> Chassis_Private with name=b6e6f0d3-40c6-4d4e-8ef6-c935fa027bd2
>>
>> any input to help get this issue fixed would be of great help.
>> thanks
>> --
>> ~ Lokendra
>> skype: lokendrarathour
>>
>>
>>

-- 
~ Lokendra
skype: lokendrarathour
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