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тАО07-02-2009 07:26 AM
тАО07-02-2009 07:26 AM
Upgrading HP UNIX from 11.1 to 11.23
I am on HP-999 PA RISC. Currently we have 11.1. We want to upgrade to 11.23.
Can upgrade be done in place and in case there are problems in any existing applications,
Can upgrade be rolled back.
I think answer to both questions is yes. But I am not a System Administartor, so just checking.
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тАО07-02-2009 07:32 AM
тАО07-02-2009 07:32 AM
Re: Upgrading HP UNIX from 11.1 to 11.23
By the way, what is a HP-999? I've never heard of such a model number and am not sure it would support 11.23. What does the "model" command return?
Pete
Pete
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тАО07-02-2009 07:44 AM
тАО07-02-2009 07:44 AM
Re: Upgrading HP UNIX from 11.1 to 11.23
There are two types of upgrade
one is cold install & another is update-ux.
You cannot rollback if you don;t have ignite backup.
regards
Sanjeev
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тАО07-02-2009 08:01 AM
тАО07-02-2009 08:01 AM
Re: Upgrading HP UNIX from 11.1 to 11.23
upgrade is run with upgrade-ux. It is a historically buggy tool. The chances of success are inversely proportional to the complexity of the system. It is not widely known, but some application vendors such as oracle do not support their software on systems that have been updated using update-ux.
If you take an Ignite make_tape_recovery or make_net_recovery (to a NFS share), you absolutely can undo any damage upgrade-ux does to your system by restoring the system to the state it was prior to the upgrade.
Cold install, followed by reinstallation of applications is favored by veteran systems administrators on this forum.
In the interest of full disclosure: I have 11 years experience doing systems administration on HP-UX. Due to the global and local economy, I am not working in IT and my access is limited to a pair of old D class servers running HP-UX 11.23 and a small Linux lab in my home office. In my last job I supported hundreds of RHEL based Linux Servers, hundreds of HP-UX servers ranging from HP-UX 10.20 to 11.31.
This is a peer to peer forum and the information you get is not guaranteed, is based on experience, and is often affected by this experience and filtered by communications and language issues.
Regards,
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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тАО07-02-2009 08:29 AM
тАО07-02-2009 08:29 AM
Re: Upgrading HP UNIX from 11.1 to 11.23
I would choose a cold-installation preceded by an Ingite recovery image creation. As Pete noted, an Ignite recovery is your easist roll-back choice.
You don't offer any configuration details. Make sure that your actual model is supported. The installation guide for 11.23 will document that. Read it.
http://www.docs.hp.com/en/5992-1978/index.html
One reason that a cold-install may prove to be the best course is that filesystems on 11.23 require a bit more space than before. A cold-install will allow you to satisfy the requirements without undue effort.
Regards!
...JRF...
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тАО07-06-2009 08:14 PM
тАО07-06-2009 08:14 PM
Re: Upgrading HP UNIX from 11.1 to 11.23
You need to ensure all of your running application in current version will support 11.23 also.
Take a ignite backup of your hp ux 11.11 first.
Do a cold installation of 11.23 and set up all the applications and test.if you find any issues restore the server from old ignite.check the document given by james before you start
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тАО07-06-2009 08:18 PM
тАО07-06-2009 08:18 PM
Re: Upgrading HP UNIX from 11.1 to 11.23
Please explain!
Run
# model
to get the server model.
Hope this helps!
Regards
Torsten.
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