ius-community team mailing list archive

[Carl George <carl.george@xxxxxxxxxxxxx>]

Howdy Joe,
 
We never could finalize an ideal migration plan to rename mysql55 to mysql55u.
There are too many variables involved with trying to require/recommend a service
restart.  We decided that the only safe action is no action.  The conflicting
rpm "mysql55" is a metapackage to pull in the other SCL rpms, and it is still at
version 1; based on the past release dates [1][2][3] and the published SCL
lifecycle [4], we believe that EL5 will reach EOL (2017-03-31) [5] before this
version gets high enough to cause update issues for IUS users (our mysql55 rpm
is at version 5.5.44).  To be absolutely safe, users can add "exclude=mysql55*"
to the file /etc/yum.repos.d/CentOS-Base.repo.  This step would be required if
Red Hat later adds an epoch to the mysql55 SCL rpm.  Likewise, a user that wants
to use the mysql55 SCL rpm but have IUS enabled should add "exclude=mysql55*" to
the file /etc/yum.repos.d/ius.repo.
 
Our concerns are reduced even further by a number of other factors.
 
* SCL rpms for EL6 are provided in a separate channel/repo, so this problem only
affects EL5.
* Discussion on mailing lists indicate that Red Hat will be prefixing future SCL
metapackages with "rh-", helping prevent naming conflicts.
* Over time our packages that are missing the "u" suffix will reach EOL until
all our packages follow the new naming scheme.
 
For good measure, we did add a note about the conflicting package on our website
section comparing IUS packages to SCL packages [6].
 
[1] http://developerblog.redhat.com/2013/09/12/rhscl1-ga/
[2] http://developerblog.redhat.com/2014/06/04/red-hat-software-collections-rhscl-1-1-now-ga/
[3] http://developerblog.redhat.com/2014/10/30/red-hat-software-collections-1-2-now-ga/
[4] https://access.redhat.com/support/policy/updates/rhscl/
[5] https://access.redhat.com/support/policy/updates/errata/#Life_Cycle_Dates
[6] https://iuscommunity.org/pages/IUSvsSoftwareCollections.html#faq
 
Carl George
IUS CoreDev Team

________________________________________
From: Ius-community <ius-community-bounces+carl.george=rackspace.com@xxxxxxxxxxxxxxxxxxx> on behalf of Joe Pruett <joey@xxxxxx>
Sent: Monday, June 1, 2015 01:09 PM
To: ius-community@xxxxxxxxxxxxxxxxxxx
Subject: [Ius-community] correct way to use mysql55 from ius on centos 5

i think i've seen some talk about how things are going to change for ius
to cope with the scl packages, but i don't think i've seen the official
way to use mysql55 on centos 5. right now, mysql55 resolves to the scl
version. the ius version is hidden by my yum priority settings. should i
just tweak my priority settings? given that scl could bump an epoch or
something, i'm just not sure what is the correct path forward.


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