[ale] Red Hat upgrades?

Damon Chesser dchesser at acsi2000.com
Tue Jul 5 11:29:31 EDT 2011


As a former Enterprise Linux support analyst for Dell, I had many, many customers who used Fedora as a server OS, not the smallest of which was NASA.  This appalled me!  However, they had very few OS issues and I have softened my view on this.

Damon Chesser
dchesser at acsi2000.com
damon at damtek.com
-----Original Message-----
From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of scott mcbrien
Sent: Tuesday, July 05, 2011 11:18 AM
To: mhw at wittsend.com; Atlanta Linux Enthusiasts
Subject: Re: [ale] Red Hat upgrades?

Really?  You run your production boxes on Fedora?  Don't get me wrong,
I like Fedora, but I don't believe it's place is in the production
operations DC.  As a hobby box or desktop, I think that's it's niche.

-Scott

On Tue, Jul 5, 2011 at 11:09 AM, Michael H. Warfield <mhw at wittsend.com> wrote:
> On Tue, 2011-07-05 at 09:17 -0400, James Sumners wrote:
>> On Fri, Jul 1, 2011 at 3:34 PM, James Sumners <james.sumners at gmail.com> wrote:
>> > On Fri, Jul 1, 2011 at 3:29 PM, Geoffrey Myers
>> > <lists at serioustechnology.com> wrote:
>> >> I had RHEL 5.5 running and contacted RH to find out how to upgrade.  I
>> >> was told you couldn't do an upgrade from 5 to 6, it had to be a new
>> >> install.  Could be I was told wrong, but that is what I was told and
>> >> didn't pursue the matter further.
>> >
>> > http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Installation_Guide/sn-upgrading-system-x86.html
>>
>>
>> I contacted them myself when the DVD kept refusing to find the
>> installed OS. Here is the response:
>>
>> "An upgrade from RHEL 4.9 to RHEL 5.6 is not happening due to the fact
>> that there is a change in Major number between the 2 releases.
>>
>> Inserting a DVD of RHEL 5.6 would provide you an option to Upgrade if
>> your Operating system were to be : RHEL 5.5.
>> This is possible because there is just a minor change in these versions.
>>
>> RHEL 5.5 ==> RHEL 5.6 : Using RHEL 5.6 DVD : Up-gradable
>> RHEL 4.9 ==> RHEL 5.6 : Using RHEL 5.6 DVD : Not Up-gradable
>
>> Also,
>
>> RHEL 4.9 ==> RHEL 5.0 : Using RHEL 5.0 DVD : Not Up-gradable.
>
>> Every Major Release for example 4.x, 5.x, 6.x can be upgraded within
>> its range of minor releases i.e: 0-9.
>> However, to upgrade from a 4.x ==> 5.x, a fresh installation is needed
>> due to a platform change."
>
> That's been my understanding all along and is the "A number 1" reason
> why I will stick to Fedora.  It's stable and you can do these kinds of
> upgrades on the fly while the server is running.
>
> I don't even use "preupgrade" under Fedora, although I continue to test
> preupgrade but was recently burned by preupgrade when it left one of my
> machines totally unbootable after preupgrade attempted to upgrade it
> from F14 to F15 and could not deal with an irreconcilable dependency
> issue.
>
> For me, the "yum upgrade" has always worked the best.  They've improved
> that to the point where it's almost trivial.  Now you just update the
> system and check for config changes, import the pgp key, flush yum's
> cache, then do a distsync to the new release version (yum clean all ;
> yum --releasever=15 distsync) and a groupupdate on base.  I don't skip
> major vers though.  To go from F12 to F15, you have to do F13 and F14 as
> stops along the way.
>
> http://fedoraproject.org/wiki/YumUpgradeFaq
>
> Regards,
> Mike
> --
> Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
>   /\/\|=mhw=|\/\/          | (678) 463-0932 |  http://www.wittsend.com/mhw/
>   NIC whois: MHW9          | An optimist believes we live in the best of all
>  PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
>
>

_______________________________________________
Ale mailing list
Ale at ale.org
http://mail.ale.org/mailman/listinfo/ale
See JOBS, ANNOUNCE and SCHOOLS lists at
http://mail.ale.org/mailman/listinfo

_____________________________________________________________________________
Scanned by IBM Email Security Management Services powered by MessageLabs. For more information please visit http://www-935.ibm.com/services/us/index.wss/offerfamily/iss/a1026954
_____________________________________________________________________________

Disclaimer: This electronic transmission and any attachments contain confidential information belonging to the sender. This information may be legally protected. The information is intended only for the use of the individual or entity named above. If you are not the intended recipient or receive this message in error, you are hereby notified that any disclosure, copying, distribution or taking of any action in reliance on or regarding the contents of this information is strictly prohibited. Please notify the sender immediately if you have received this information in error.

www.acsi2000.com



More information about the Ale mailing list