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On 05/20/2013 09:08 AM, Jakub Hrozek wrote:
> On Fri, May 17, 2013 at 09:09:17PM +0000, John Bossert wrote:
>> Am fighting a battle with sssd/ldap and udev (RHEL6/Centos6).
>> 
>> I have a udev rule that sets disk ownership to oracle/asmadmin at
>> boot.  The user oracle and group asmadmin are registered in
>> ldap.
>> 
>> Other (udev) forums suggest that udev is executing before
>> networking is enabled, ergo ldap is unreachable and the disks
>> remain owned by root/root. Hmmm, could sssd caching be a
>> solution?
>> 
> 
> Yes, it should.
> 
>> Following the various tutorials, I've enabled sssd, with
>> "cache_credentials = TRUE" in sssd.conf, but I'm still seeing the
>> same results.  Either sssd caching isn't happening, or udev isn't
>> making use of it.
>> 
> 
> cache_credentials only caches salted password hashes (which is off
> by default). Identity lookups are always cached and if there was at
> least one lookup prior to requesting the data offline, it should
> work even before network is up.
> 

There might potentially be a race-condition where SSSD is reporting as
started before the back-ends are responding, depending on which
version of SSSD he's running. I think we fixed that in RHEL 6.3.


>> # getent --service=sss passwd oracle oracle:*:550:400:Oracle
>> User:/home/oracle:/bin/bash
>> 
> 
> This seems strange to me, earlier you said that both oracle user
> and asmadmin group are in LDAP, yet you are able to resolve a the
> oracle user from passwd?
> 

You misread this one. Reordering the arguments for clarity:

getent passwd -s sss oracle



>> # getent --service=sss group asmadmin asmadmin:*:403:oracle
>> 
>> Any guidance, either to solve the problem else to obtain some
>> useful diagnostics?
>> 
> 
> I'm not quite certain what the problem is, can you describe it in
> more detail? Does udev not start?
> 
>> John
> _______________________________________________ sssd-users mailing
> list sssd-users@lists.fedorahosted.org 
> https://lists.fedorahosted.org/mailman/listinfo/sssd-users
> 

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