question for Oracle problem...

From: YEKTA CAYMAZ (yekta.caymaz@telsim.com.tr)
Date: Thu Jul 25 2002 - 06:45:55 EDT


Dear Admins and Managers,

I am using Tru64 5.1 (patch-kit 4) on Compaq GS 160 server. I am using IBM
ESS shark for the SAN involvment.
I have one sever problem on Oracle which is running on this environment.
The document attached below is gathered from Oracle Metalink site. Can you
pls advice me what to do?
The document is:
---------------
fact: Oracle Server - Enterprise Edition
fact: Compaq Tru64 UNIX
symptom: Shutdown immediate hangs
symptom: kgepop: no error frame to pop to for error 27124
symptom: ORA-27124: unable to detach from shared memory segment
symptom: Compaq Tru64 UNIX Error: 22: Invalid argument
symptom: Additional information: 12317000
symptom: ORA-01089: immediate shutdown in progress - no operations are
permitted
cause: Oracle processes sharing a region of memory. During the shutdown of
the database while one process is doing an i/o, another decides it has
finished with memory region and fails to detach as it is wired by this
other
process.

Reference:
<Bug:1660928> ORA-1034, ORA-27124 AND UNIX ERROR 22

fix:

Workaround:
Set UNIX Kernel parameter new-wire-method=0

         1. Static mode as root:
         Edit "/etc/sysconfigtab", set new-wire-method=0 and reboot the
system.

         OR

         2. Apply Compaq fix in patch kit 3
----------------

Since my patch level is 4, I just focused on changing the kernel parameter
"new-wire-method = 0". Yes I did it but it didnt solve my problem.
(Actually in some Compaq web pages they do not advice to set the
"new-wire-method=0" , but still I did it because of the Metalink document).
Now I have changed the kernel parameter to the original one (that is
enabled)
CAN YOU PLS SUGGEST WHAT TO DO?

Thanks in advance to all of you....

Yekta CAYMAZ
Telsim Mobile
IT Systems Support Manager
Mobile: +90.542.387 74 65
Direct: +90.212.448 76 04
yekta.caymaz@telsim.com.tr

http://www.telsim.com.tr

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