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RE: Oracle 7.3.4 IBM RS/6000 F50 to IBM SP2 Issues

From: <john.j.kanagaraj_at_shell.com.bn>
Date: Fri, 2 Jun 2000 15:13:39 +0800
Message-Id: <10516.107516@fatcity.com>


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Resending because of bounce!

Linda - you still seem to have the ORACLE-L list set to the old address...

John

> -----Original Message-----
> From: John J. Kanagaraj
> Sent: Friday, 02 June, 2000 3:07 PM
> To: oracledba; oracle
> Cc: lphillip
> Subject: RE: Oracle 7.3.4 IBM RS/6000 F50 to IBM SP2 Issues
>
>
> > Does anyone have experience moving an entire IBM RS/6000 F50
> > with AIX 4.3.3 and Oracle 7.3.4 databases to an IBM SP2
> > single node? Our group is planning on doing this when I am
> > out of town so I am trying to gather some information on what
> > the best way is to attack this challenge. Our team is taking
> > the disk drives out of one box and putting them into the SP2
> > node. Does Oracle need a certain setup on the SP2 node
> > versus the current setup on the F50? Does Oracle need new
> > drivers or even a new installation to function on the SP2? I
> > would appreciate all the feedback about this. The team plans
> > on keeping the hostname and IP address the same so I do not
> > know of any listener or tnsnames issues. Thanks in advance
> > for the help.
>
> Linda,
>
> We moved from an RS/6000 59H to an SP2 High Node about 4
> years ago with AIX 4.1.4, but not in the way you specified.
> Setting up a SP High node is NOT a trivial matter, nor is
> changing the Host name of an existing node in an SP frame an
> easy task. This is because of the way in which an SP Node
> works with a Control Workstation and the intricate way in
> which the node details work their way into the Kerberos
> Database on the CWS (although there is a documented procedure
> to change the hostname). AFAIK, the Oracle binaries are the
> same on both the RS/6000 and the SP, although Oracle claims
> to ship a different version for the SP. After 4 years, we
> have not faced a single problem in this regard. You can
> rollup your binaries and copy them onto the SP, but need to
> make changes in "/etc/inittab" for the PW drivers. Device
> drivers in AIX are loaded as and when required during OS
> installation when new devices are detected, so you _may_ have
> a problem if you move the disks to the SP HN and the OS
> doesn't have the drivers pre-loaded. I am also not sure if
> MCA/PCI issues for the Controllers have been sorted out...
>
> IMHO, this move is not a good idea as far as transferring
> disk, hostname and IP address for the reasons mentioned above
> (CW, Kerberos Db, drivers, etc). I would attempt a practice
> run and make sure all the kinks are ironed out before I do
> it. (Btw, moving disks around in an RS/6000 is quite simple
> between hardware platforms in the same family - we do it
> regularly here in this fairly large [100+] RS/6000 shop...)
>
> Do you really need to preserve the hostname? (don't you run
> Oracle Apps?) If not, the problem is halved... Are you having
> this done via IBM (or other qualified 3dr party)? The CWS and
> its related PSSP software is a major pain in the .... And
> again IMHO, there is no real advantage to using an SP High
> Node for DB serving unless you are running your backup server
> on the same SP frame via the switch to reduce/eliminate/speed
> up backup traffic.
>
> Please let me know if you need more info!
>
> John Kanagaraj
> Brunei Shell Petroleum
> http://www.geocities.com/john_sharmila
>
> God so loved the world that He didn't send a committee! (See
> John 3:16 for details)
> ** Opinions expressed here are solely mine and not
> necessarily those of my employer **
>
>

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