[SSSD] IPA client randomly lose memory of users

Jakub Hrozek jhrozek at redhat.com
Sun Dec 2 16:37:58 UTC 2012


On Sat, Dec 01, 2012 at 10:01:55PM -0500, Qing Chang wrote:
> 
> On 30/11/2012 7:30 PM, Dmitri Pal wrote:
> >On 11/30/2012 05:21 PM, Qing Chang wrote:
> >>my dovecot IMAP server would randomly lose memory of users, as an
> >>example:
> >>
> >>Samba/NFS server knows this user:
> >>[root at smb2 shassan]# getent passwd bqiang
> >>bqiang:*:47105:471:Beiping Qiang:/home2/bqiang:/bin/tcsh
> >>
> >>But dovecot server does not:
> >>[root at dovecot2 ~]# getent passwd bqiang
> >>
> >>Only when I apply this:
> >>[root at dovecot2 ~]# \rm /var/lib/sss/db/cache_sri.utoronto.ca.ldb
> >>[root at dovecot2 ~]# service sssd restart
> >>
> >>It gets it:
> >>[root at dovecot2 ~]# getent passwd bqiang
> >>bqiang:*:47105:471:Beiping Qiang:/home2/bqiang:/bin/tcsh
> >>
> >>So far I have to deal with this for three users. It's quite possible
> >>that there are more than 3 that are affected, they were just patient
> >>enough to wait until dovecot "recovers its memory".
> >>
> >>=====
> >>sssd.x86_64                      1.8.0-32.el6
> >>@rhel-x86_64-server-6
> >>sssd-client.x86_64               1.8.0-32.el6
> >>@rhel-x86_64-server-6
> >>=====
> >>
> >>Your help is much appreciated.
> >>
> >>Thanks,
> >>Qing
> >>
> >Can it be because hierarchy changes in some way?
> I assume this is not a question for me? Please explain if it is, I do not have a clue what this is.

I think that Dmitri was asking if the group membreships may have changed
on the server between the two lookups. In other words, was the user
added to or removed from some groups on the server?



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