I think the semi-online status cause SSSD confused about what to do
and causing it to timeout.

So that means no fix for now.

On Thu, Apr 16, 2015 at 11:10 AM, Dmitri Pal <d...@redhat.com> wrote:
> On 04/15/2015 10:17 PM, Thomas Lau wrote:
>>
>> Hi,
>>
>> I just checked with developer, there is no authentication related code
>> in the program, we could treat it as normal cron job.
>>
>> is that possible to make sssd less contact with FreeIPA? for example,
>> refresh all user info every 5 minutes, else use cache info.
>
>
> OK, thanks for clarification.
> Then it is SSSD.
>
> It would be hard to understand where the problem is.
> For authentication SSSD does online if it knows that it is online. Packet
> loss can cause it to loose connection and time out.
> It might not failing over to offline mode as it is "semi online" because of
> the packet loss and retries.
>
> The SSSD logs would really be helpful to diagnose the issue.
> Also https://fedorahosted.org/sssd/ticket/1807 might be what you are looking
> for. It is being worked on for the next release.
>
>
>> On Tue, Apr 14, 2015 at 10:07 PM, Dmitri Pal <d...@redhat.com> wrote:
>>>
>>> On 04/13/2015 10:41 PM, Thomas Lau wrote:
>>>>
>>>> Hi,
>>>>
>>>> It's an in-house program which runs on one kerberos user.
>>>
>>> You need to look what this program is doing.
>>> I suspect it is doing some sort of kinit itself and does not rely on the
>>> PAM
>>> stack, i.e it bypasses SSSD in the given scenario.
>>> Can this be the case?
>>>
>>>
>>>> On Tue, Apr 14, 2015 at 5:34 AM, Dmitri Pal <d...@redhat.com> wrote:
>>>>>
>>>>> On 04/13/2015 08:23 AM, Thomas Lau wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> These problem appear randomly, sometime it still work even under heavy
>>>>> packet loss, some times would be like this. So its hard to catch.
>>>>>
>>>>> On Apr 13, 2015 3:22 PM, "Jakub Hrozek" <jhro...@redhat.com> wrote:
>>>>>>
>>>>>> On Mon, Apr 13, 2015 at 01:15:09PM +0800, Thomas Lau wrote:
>>>>>>>
>>>>>>> Hi all,
>>>>>>>
>>>>>>> We have cronjob which running on a FreeIPA LDAP user; When connection
>>>>>>> between IPA server and client having heavy packet loss, following
>>>>>>> error would occur:
>>>>>>>
>>>>>>> CRON[20637]: Authentication service cannot retrieve authentication
>>>>>>> info
>>>>>>>
>>>>>>> I have cache credentials and store password if offline enabled on
>>>>>>> sssd, how these problem would still happening?
>>>>>
>>>>>
>>>>> It might be that the cause of the problem is actually the packet loss
>>>>> or
>>>>> some kind of delay.
>>>>> SSSD might not think that it is offline but cron job itself times out
>>>>> and
>>>>> reports failure.
>>>>> Do you know what operation in the job fails?
>>>>>
>>>>>
>>>>>>> sssd.conf:
>>>>>>>
>>>>>>> cache_credentials = True
>>>>>>> krb5_store_password_if_offline = True
>>>>>>
>>>>>> Did the use log in at least once offline? You can verify if the
>>>>>> password
>>>>>> has been cached using the ldbsearch utility. It would be best to catch
>>>>>> the occurence of the problem in logs.
>>>>>>
>>>>>> --
>>>>>> Manage your subscription for the Freeipa-users mailing list:
>>>>>> https://www.redhat.com/mailman/listinfo/freeipa-users
>>>>>> Go to http://freeipa.org for more info on the project
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Thank you,
>>>>> Dmitri Pal
>>>>>
>>>>> Sr. Engineering Manager IdM portfolio
>>>>> Red Hat, Inc.
>>>>>
>>>>>
>>>>> --
>>>>> Manage your subscription for the Freeipa-users mailing list:
>>>>> https://www.redhat.com/mailman/listinfo/freeipa-users
>>>>> Go to http://freeipa.org for more info on the project
>>>>
>>>>
>>>>
>>>
>>> --
>>> Thank you,
>>> Dmitri Pal
>>>
>>> Sr. Engineering Manager IdM portfolio
>>> Red Hat, Inc.
>>>
>>
>>
>
>
> --
> Thank you,
> Dmitri Pal
>
> Sr. Engineering Manager IdM portfolio
> Red Hat, Inc.
>



-- 
Thomas Lau
Director of Infrastructure
Tetrion Capital Limited

Direct: +852-3976-8903
Mobile: +852-9323-9670
Address: 20/F, IFC 1, Central district, Hong Kong

-- 
Manage your subscription for the Freeipa-users mailing list:
https://www.redhat.com/mailman/listinfo/freeipa-users
Go to http://freeipa.org for more info on the project

Reply via email to