My apologies. It should be ipcs in every case, not icps...

KLP

On Wed, October 7, 2009 11:37 pm, Karl Pearson wrote:
> One other gotcha from traditional Unix to Linux, for administrators, is
> the icps command, which didn't use to exist, and which took 2 commands
> to replicate on Linux. I used the ipcs -mop command to retrieve
> information about the shared memory segments being used. The command in
> Linux doesn't use those switches. Your mileage may vary.
>
> Does anyone know for sure? I'm about the leave the U2 world as work is
> taking me a different direction. Actually, I was laid off and am seeking
> employment and it seems the opportunities in the U2 field are almost
> non-existent for someone who has to stay around to care for aging
> parents.
>
> Karl
>
> On Wed, October 7, 2009 7:58 pm, John Hester wrote:
>>
>> I did a migration from SGI IRIX (RISC CPU) to RH AS 3 about 6 years
>> ago.
>> I've also done 2 other migrations from earlier to later versions of UV
>> and the underlying OS just for hardware upgrades.  The only
>> differences
>> with the OS change were:
>>
>> 1) As others have mentioned, I had to run fnuxi since I did an
>> OS-level
>> backup/restore.  This was trivial, though.  I just wrote a script that
>> did the restore and executed "fnuxi *" in all the UV directories
>> immediately afterward
>>
>> 2) I had to modify a number of shell scripts due to subtle changes in
>> some of the OS-level command options.  Most notably the "echo"
>> command.
>>
>> There are other issues to consider that I always run into with any UV
>> upgrade, regardless of platform.  We have a number of customized VOC
>> entries that differ from the installed versions and get wiped out by a
>> UV upgrade.  I have a file named VOC.MOD that I keep on the OS
>> partition
>> where copies of all the modified entries are stored.  I copy that file
>> onto the new platform and copy its entries into the UV VOC after the
>> upgrade (and each test run).  I keep similar files for any BPs and
>> PROCs
>> that need modification to work correctly on the new platform.  It's
>> typically utilities that end up in here.  IBM changed the number of
>> digits in spooler file IDs last time, for example, and it broke a
>> number
>> of our custom spooler utilities.
>>
>> It's hard for me to give a difficulty rating somewhere between easy
>> and
>> really hard.  I guess I would say it's easy but time consuming.  We
>> have
>> a different batch process for the first 3 weekends of each month as
>> well
>> as a month-end process.  Testing each of those involves wiping out the
>> UV data on the new server, restoring, and running the batch process (I
>> change the SP.ASSIGN command so all the spooler files go to a dummy
>> queue).  When something breaks mid-way, I have to fix it and start all
>> over.  There's also a fairly long checklist of user applications that
>> have to be tested.  None of this is rocket science, but it does take
>> quite a bit of time.  I've done all the upgrades solo, and IIRC, it
>> typically takes me a little over a month.  Hope that helps.
>>
>> -John
>>
>>> -----Original Message-----
>>> From: u2-users-boun...@listserver.u2ug.org
>>> [mailto:u2-users-boun...@listserver.u2ug.org] On Behalf Of
>>> Oaks, Harold
>>> Sent: Tuesday, October 06, 2009 9:38 AM
>>> To: U2 Users List
>>> Subject: [U2] hpux to linux
>>>
>>> We have Rocket's Universe 10.2 over hpux 11.11 but are
>>> considering moving to a linux box. Has anyone ported a U2 app
>>> from hpux to linux?  I am trying to estimate for management
>>> how long such a porting might take.
>>> Just an opinion would be helpful, like 'easy', 'medium',
>>> 'hard', 'really hard'.
>>>
>>> Thanks-
>>> Harold Oaks
>>> Clark County
>>>
>>>
>>>
>>> This e-mail and related attachments and any response may be
>>> subject to public disclosure under state law.
>>> _______________________________________________
>>> U2-Users mailing list
>>> U2-Users@listserver.u2ug.org
>>> http://listserver.u2ug.org/mailman/listinfo/u2-users
>>>
>> _______________________________________________
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>>
>
>
> ---
> Karl Pearson
> ka...@ourldsfamily.com
> Owner/Administrator of the sites at
> http://ourldsfamily.com
> ---
> "To mess up your Linux PC, you have to really work at it;
>  to mess up a microsoft PC you just have to work on it."
> ---
>  Democracy is two wolves and a lamb voting on what to have
>  for lunch. Liberty is a well-armed lamb contesting the vote.
>  --Benjamin Franklin
> ---
>
> _______________________________________________
> U2-Users mailing list
> U2-Users@listserver.u2ug.org
> http://listserver.u2ug.org/mailman/listinfo/u2-users
>


---
Karl Pearson
ka...@ourldsfamily.com
Owner/Administrator of the sites at
http://ourldsfamily.com
---
"To mess up your Linux PC, you have to really work at it;
 to mess up a microsoft PC you just have to work on it."
---
 Democracy is two wolves and a lamb voting on what to have
 for lunch. Liberty is a well-armed lamb contesting the vote.
 --Benjamin Franklin
---

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