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03-11-2010 12:25 PM
03-11-2010 12:25 PM
Thanks
Kevin
Solved! Go to Solution.
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03-11-2010 12:45 PM
03-11-2010 12:45 PM
SolutionYou really don't convert systems from HP-UX to Linux. You build new systems and migrate data and functionality. But I knew what you meant.
I've been in a number of situations like this and in some cases the "conversion" was called off.
Yes, HP-UX hardware costs more. However HP-UX hardware does more than typical Wintel hardware. An Itanium based system will run circles around a similarly configured Wintel Linux system. You get more bang for your buck.
You will probably need MORE Wintel CPU's on Linux to do the same amount of work the HP-UX oracle server. Oracle's pricing model is $40,000/CPU and it does not take into account CPU strength.
So where this works best for cost savings us under utilized systems. But a possible good alternative is HPVM. It will let you run HP-UX, Linux and Windows on the same hardware and allocate CPU in chunks as small as 1% of a CPU. A careful consolidation can save you a lot in licensing fees.
I would urge a good analysis be done. How much money will be saved, how much will have to be spent to get equivalent levels of service and license fees.
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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03-11-2010 12:51 PM
03-11-2010 12:51 PM
Re: Converting HP-UX systems to Linux
Steven, I'm glad you replied as I was hoping to get in contact with you on this topic. My company was looking to engage someone about this. I tried contacting you through your ISN web site.
Thanks
Kevin
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03-11-2010 01:45 PM
03-11-2010 01:45 PM
Re: Converting HP-UX systems to Linux
No email yet. Probably that presumptive trigger happy on steroids spam filter.
steve at hpux.ws
Change the at and spaces to a @
Steven
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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03-11-2010 02:55 PM
03-11-2010 02:55 PM
Re: Converting HP-UX systems to Linux
The justifications we used are the same that you mentioned.
The types of servers we have moved to SLES have been some infrastructure things like e-mail, ftp, DNS.
We have also migrated a couple of applications servers including our IBM Tivoli Workload Scheduler server (formerly Maestro) and our EDI server which has an Oracle DB back end.
In both cases we took the opportunity to upgrade the applications and DBs to the latest versions.
In the case of the Maestro server, all job schedules, etc. moved over without a hitch.
In the case of the EDI server there were some issues with some shell scripts and differences in the Bash shell (linux) versus the Posix shell (HP-UX) which required some minor tweaking on Linux. Not much Oracle data was migrated in our case.
When licensing Oracle, yes the base price for Oracle Enterprise Edition is $40,000 per CPU. However, there are certain "multipliers" for multi-core processors.
I **THINK** that Wintel systems are 0.5 per core and Itanium/PA-RISC are 0.75 per core.
So, with a Wintel server, if you have 2 x quad core processors (8 cores), then you would pay licensing equivalent to 4 cores (8 x 0.5). That can make Oracle licensing slightly less frightening, but you would need to verify this with Oracle.
We are planning, I think, to eventually migrate all HP-UX to Linux.
Good luck in your endeavor!
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03-11-2010 04:13 PM
03-11-2010 04:13 PM
Re: Converting HP-UX systems to Linux
Our migrations - which were also for ERP (non-Oracle) - are from HP 9000 HP-UX 11.x to Red Hat Enterprise Linux on Intel hardware, previously to standalone HP DL 580 servers, but now to virtualized (VMware) clients.
For reference, we have fairly modest user counts (low 100s) and DB sizes (low 20s GB).
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03-12-2010 05:08 AM
03-12-2010 05:08 AM
Re: Converting HP-UX systems to Linux
regarding the performance, i don't wholy agree with that. in almost all cases the intel boxes perform better then an HPUX box for our usage.
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03-12-2010 05:32 AM
03-12-2010 05:32 AM
Re: Converting HP-UX systems to Linux
Dirk makes an apples to orange performance comparison.
If you take a brand new Wintel box and use it to replace a 5 year old PA-RISC box, you will get better performance.
Take an IA-64 up to date system CPU for CPU, it will and does in our tests here run circles around a brand new Wintel box.
Itaninium is a much maligned, but extremely well designed, powerful architecture.
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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03-12-2010 06:30 AM
03-12-2010 06:30 AM
Re: Converting HP-UX systems to Linux
Yeah, but you're going to pay 5x (at least) the $$$$ for the Itanium (HW & SW) as you would for the Wintel/Linux combination.
If one is looking at Oracle you can get a 3 server Oracle RAC cluster for the same or fewer $$$$ as a single Itanium server with HP-UX. At least this was true for the price comparisons I did last summer.
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03-12-2010 07:15 AM
03-12-2010 07:15 AM
Re: Converting HP-UX systems to Linux
For misson critical systems we'll keep the central components (SAP CI and Oracle) on HP-UX ServiceGuard Metroclusters and if needed use SLES systems as the application servers.
With Linux you will probably miss HPUX tools like ioscan, Ignite/UX and the excellent documentation... TANSTAAFL ;-)
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