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тАО09-22-2009 06:39 AM
тАО09-22-2009 06:39 AM
Most replies, coming mostly from the higher ranked, and therefor probably most experienced, forum members, all advise to cold install, and not to upgrade. Noone seems to really trust the update-ux procedure. Even I have never upgraded any server. I allways had the luck to be able to buy new hardware, install the new OS and then migrate the software one by one.
But now I have these fully configured servers running HP-UX 11i v2 with a lot of customisations throughout the years, and no option to get new hardware like in the past. With a cold install, I will have a lot of work reapplying all these customisations. An upgrade sounds nice, but ...
So I wonder what the source is of this distrust.
Has anyone of you effectively tried the HP-UX 11i v2 -> v3 update procedure and seen it miserably fail, or only succeed after a lot of issues, or did it leave you with a result you were not happy with in another way ?
Or is this distrust mainly caused by experiences further away in the past, let's say upgrades from 10.20 to 11.00 for instance.
I heard (HP employees say) that the update-ux procedure has had many improvements and that it is now really a safe method to go to the next OS release, but it would be nice to hear if anyone of you has some hands-on experience with the latest update-ux for going from 11i v2 to 11i v3, or that your main distrust is based on experiences further in the past.
Solved! Go to Solution.
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тАО09-22-2009 07:04 AM
тАО09-22-2009 07:04 AM
SolutionAlthough they made a bit of change in the update-ux I didn't like, it ran just fine.
Seems the disks I had would not allow you to adjust the f/s sizing during the process. So I just did a reboot, interupt the boot and made all my vg00 f/s sizing changes prior to running update-ux.
I still like cold installs though for those times when I want to remove any and all old footprints of admins of 'old.
Regards,
Rita
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тАО09-22-2009 07:08 AM
тАО09-22-2009 07:08 AM
Re: Upgrade or cold install ?
I have great respect for HP employees and their opinions.
I also know a number of people that have tried the latest update-ux from 11i v2 to 11i v3
They report many of the same problems as with older versions.
I would not do it.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО09-22-2009 07:44 AM
тАО09-22-2009 07:44 AM
Re: Upgrade or cold install ?
Cold install. If you get into problems with a upgrade the solution is, .... cold install. Additionally, a cold install is usually less time consumming than an upgrade.
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тАО09-22-2009 09:21 AM
тАО09-22-2009 09:21 AM
Re: Upgrade or cold install ?
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тАО09-22-2009 10:30 AM
тАО09-22-2009 10:30 AM
Re: Upgrade or cold install ?
Sometimes it is faster than try to upgrade.
Marco,
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тАО09-22-2009 11:00 AM
тАО09-22-2009 11:00 AM
Re: Upgrade or cold install ?
It's certainly worth a try. If it fails, you'll simply have to re-load from your Ignite backup, try to figure out why it failed and try again.
Pete
Pete
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тАО09-22-2009 12:33 PM
тАО09-22-2009 12:33 PM
Re: Upgrade or cold install ?
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тАО09-23-2009 06:35 AM
тАО09-23-2009 06:35 AM
Re: Upgrade or cold install ?
Our systems are 3 (almost) identical 2-node clusters, so I can test and verify an upgrade on 1 system, and then roll-out on the others.
At the other hand : It looks like a cold install could be quicker and certainly easier to reproduce or repeat, and it could be a nice moment to document all modified configuration files all over the system.
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тАО09-23-2009 06:45 AM
тАО09-23-2009 06:45 AM
Re: Upgrade or cold install ?
And you'll be able to test the stability of those customizations. And you'll also be able to install new copies of your applications that are supported on 11.31 (apps typically get upgraded and supported about 12 to 20 months after a new release. 11.31 is quite a step beyond 11.23 so you may have a lot of research to do.
Bill Hassell, sysadmin