Server processes and Background Processes with different users

From: Guillermo Alan Bort <cicciuxdba_at_gmail.com>
Date: Mon, 15 Oct 2012 17:23:28 -0300
Message-ID: <CAJ2dSGSZCaH0hB4bRk8VS--+EfgwnC-=sZhS5BkVj8fF4=X5gQ_at_mail.gmail.com>

Hi,
  I have the following scenario:
OS: AIX 6.1
RDBMS: Oracle 11.2.0.3 CPU JUL2012 (no other patches, the PSU failed due to lack of space)
This is a 2 node RAC.
Separate users for GI (grid) and RDBMS (oracle).

So far this is pretty standard.

The pmon starts correctly:
dbserver01:/u1/app/grid/11.2.0/network/admin>ps -ef |grep pmon

  oracle 26345656        1   0   Oct 13      -  0:57 ora_pmon_<SID>1
    grid 28704882        1   0   Oct 12      -  1:08 asm_pmon_+ASM1

however, the server processes are started with grid: dbserver01:/u1/app/grid/11.2.0/network/admin>ps -ef |grep oracle<SID>

    *grid *6291568 1 0 Oct 13 - 0:00 oracle<SID>1
(LOCAL=NO)

  *oracle *22937652 10354818 0 15:59:09 - 0:00 oracle<SID>1
(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))

(note that SID is the same always as there is only one DB in this RAC)

Now. I've never seen this before, maybe I wasn't paying attention or maybe this is something exclusive to AIX. But I find this odd. Has anyone seen this before? is this expected behaviour or a wrong config somewhere? Or maybe a bug?

Thanks

Alan.-

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Received on Mon Oct 15 2012 - 22:23:28 CEST