unable to attach to shared memory segment 2006-03-14 - By Werner Flamme
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Jorge,
at SAP I find:
- ---snip---
Check to see whether the "oracle" file exists on $ORACLE_HOME/bin, has a
size other than 0 and has the "-rwsr-s--x" authorizations.The owner must be
ora<sid>. The group is dba.
If the file is empty, you can create it again by relinking the software [...].
You can assign authorizations as well as the owner/group as follows:
chmod 6751 oracle
chown ora<sid> oracle
chgrp dba oracle
You should also check the authorization of the $ORACLE_HOME/bin directory.
This should be at "drwxr-xr-x".
Continue to ensure that the file system containing $ORACLE_HOME/bin
supports s-bit. The system must not be set to NOSUID.
Restart the system after the Oracle adjustments.If an error such as
ORA-27121 (See ORA-27121.ora-code.com) continues to occur after you set the s-bit, it may be caused by
hanging shared memories or semaphores that are assigned to the user under
whose name the Oracle database was mistakenly started until now.You can
correct this situation using tools such as ipcs/ipcrm or by rebooting.
- ---pins---
Replace ora<sid> with the name of the system user under whose account
oracle was installed, and check the files. ;-)
HTH
Werner
jorgecab@(protected) schrieb am 14.03.2006 17:39:
> Hi Martin, thanks for the advice, I am using SLES9 with kernel 2.6.5-7.244
-smp I
> know about the caps lock issue and tried the modification you sent me but
still
> getting the same error:
>
> oracleuser@(protected):~> sqlplus
> Enter user-name: oracle1
> Enter password:
> ERROR:
> ORA-01034 (See ORA-01034.ora-code.com): ORACLE not available
> ORA-27123 (See ORA-27123.ora-code.com): unable to attach to shared memory segment
> Linux-x86_64 Error: 13: Permission denied
>
> oracleuser@(protected):~> env | grep ORACLE
> ORACLE_SID=the_right_sid
> ORACLE_BASE=/opt/oracle
> ORACLE_HOME=/opt/oracle/product/9ir2
>
> But still getting that error, any more ideas?
>
> Thanks
>
> Jorge
>
> Quoting Martin Klier <martin.klier@(protected)>:
>
>> Hi Jorge,
>>
>> do you use SLES9? Which kernel version do you use?
>>
>> Further try to set
>>
>> "vm.disable_cap_mlock = 1"
>>
>> in /etc/sysctl.conf and invoke the change with "sysctl -p".
>>
>> Am Dienstag 14 M?rz 2006 17:14 schrieb jorgecab@(protected):
>>> Hi, I'm having a problem with my oracle installation in a x86_64
>>> architecture. Whenever I try to log in with sqlplus with the system user
>>> "oracle" and database admin "sys" I can do so perfectly but if I want to
>>> use sqlplus with another system's user like for example "oracleuser" and a
>>> user created in oracle I get:
>>>
>>> ORA-01034 (See ORA-01034.ora-code.com): ORACLE not available
>>> ORA-27123 (See ORA-27123.ora-code.com): unable to attach to shared memory segment
>>> Linux-x86_64 Error: 13: Permission denied
>>>
>>> I have in this user's environmental variables:
>>> ORACLE_SID=name_of_my_database
>>> ORACLE_HOME=/opt/oracle/product/9ir2
>>> ORACLE_BASE=/opt/oracle
>>>
>>> Plus I have him associated to the "dba" group.
>>>
>>> Odd thing is that I can log in using enterprise manager console with this
>>> user, I just can't log in using sqlplus. Can someone help me?
>>>
>>> Jorge
>>>
>>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ------
>>> This message was sent using IMP, the Internet Messaging Program.
>> --
>> Mit freundlichen Gr??en
>>
>> i.A. Martin Klier
>> Systemadministration / Datenbanken
>> -- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- --
>> A.T.U Auto-Teile-Unger
>> Handels GmbH & Co. KG
>> Dr.-Kilian-Stra?e 4
>> D-92637 Weiden i. d. OPf.
>>
>
>
> --
> d-_-b \|/
> 0-0
> ---oOo-(_)-oOo---
>
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>
- --
Werner Flamme, Abt. WKDV
UFZ Umweltforschungszentrum Leipzig-Halle GmbH,
Permoserstr. 15 - 04318 Leipzig
Tel.: (0341) 235-3921 - Fax (0341) 235-453921
http://www.ufz.de - eMail: werner.flamme@(protected)
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