[Freeipa-users] sssd compatibility with older RHEL 6 minor releases.

[Steven Jones]

Hi,


Not knowing your specific circumstance but my experience over the last decade plus would be keep the RHEL, Debian/Ubuntu and Solaris servers up to date all the time, or at least 1~2 months behind max.  eg  we clone off RHEL channels into testing channels and patch then clone production from test and patch.  (playing catch now is now a risk for you)


If there is an issue with a rpm then you will find it and we then for instance freeze patching until it is resolved.  If you dont have a test group of servers run 1~2months behind the latest and import specific rpms if a nasty bug appears eg the recent bash one.


regards

Steven

________________________________
From: freeipa-users-bounces at redhat.com <freeipa-users-bounces at redhat.com> on behalf of Genadi Postrilko <genadipost at gmail.com>
Sent: Tuesday, 3 February 2015 10:35 a.m.
To: Identity Managment; freeipa-users at redhat.com
Subject: Re: [Freeipa-users] sssd compatibility with older RHEL 6 minor releases.

Thank you for your reply.
I think ill go with the first option, it about time to upgrade :).

Genadi.

2015-02-01 2:09 GMT+02:00 Dmitri Pal <dpal at redhat.com<mailto:dpal at redhat.com>>:
On 01/31/2015 01:37 PM, Genadi Postrilko wrote:
Hello all.

The environment i'm currently working to migrate under IPA identity management contains mostly RHEL 6.2 servers.
I'm planing to use Active Directory Cross Forest Trust for Identities, IPA as sudo provider, and all the other goodies that IPA provides.

If i want to enjoy all the new features (at least most of them), i know that clients have to be sssd version > 1.9. And if i want IPA to be auto configured as sudo provider  it has to be sssd > 1.11.

When reading the mailing list i noticed that sssd 1.11 is mentioned as feature of rhel 6.6.
What i would like and understand is what could go wrong if i will install sssd 1.11 on rhel 6.2 servers.And what is is your general recommendations for older RHEL 6 (minor) releases?

It will pull a lot of dependencies and most of your system will look like 6.6 system
Also the upgrade like this might reveal some issues as the upgrades are expected to be gradual. 1-2 versions is ok but 4 is quit a big leap.

Overall it is a bit risky to do it.
You have three options:
- upgrade properly but probably in two steps 6.2 -> 6.4 -> 6.6
- use SSSD from 6.2 as is for now. It will have limited functionality but can leverage AD users from the trust. You would need to configure SSSD to use LDAP for authentication and point to compat tree of IPA to take advantage of the trust. See details here: http://www.freeipa.org/images/0/0d/FreeIPA33-legacy-clients.pdf
- take your chances and try a hybrid you propose but it is not a formally supported configuration.


Thanks in advance,
Genadi.






--
Thank you,
Dmitri Pal

Sr. Engineering Manager IdM portfolio
Red Hat, Inc.

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