ORA-27086: unable to lock file over NFS -- but it's NOT Netapp!

My 10.2 database crashed, and when it came back I got the following error:
ORA-00202: control file: '/local/opt/oracle/product/10.2.0/dbs/lkFOOBAR'
ORA-27086: unable to lock file - already in use
Linux-x86_64 Error: 11: Resource temporarily unavailable
This is a classic symptom of a Netapp problem, which likes to hold file locks open on NFS mounts. There is a standard procedure for clearing those locks; see, for instance, document 429912.1 on Metalink.
Unfortunately, my files are mounted on an Isilon, one of Netapp's twisted cousins. I can find no references to "isilon" on Metalink, and we are at a loss how to resolve this.
My sysadmin assures me that "there are no locks on the Isilon". But I know this cannot be the case, because if I do the following:
1. delete the lockfile /local/opt/oracle/product/10.2.0/dbs/lkFOOBAR, and then
2. move my controlfiles aside, and then copy them back into place,
then the database will mount. However, it will not open, because now all the datafiles have locks.
Is there anyone with experience in clearing NFS locks? I know this is more of a SA task than DBA, but I am sure my SA has overlooked something.
Thanks

New information:
As stated above, I moved the controlfiles aside and then copied them back into place, like this:
mv control01.ctl control01-bak.ctl
cp control01-bak.ctl control01.ctlDid that for each controlfile, and then the database mounted.
But, after rebooting the machine, we discovered that all locks were back in place-- it looks like the system is locking the files on boot-up, and not letting them go. The lock is held by PID 1, which is init.
sculkget: lock held by PID: 1This is definitely looking like a major system issue, and not a DBA issue, and hence I have little right to expect assistance in this forum. But nonetheless I lay my situation out here before you all in case someone else recognizes my problem before the server bursts into flames!
The system is CentOS 4.5-- not my choice, but that's the way it is.

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ORA-27086: unable to lock file - already in use

Hi All,
Can any one having Idea about this Error while Upgrading from 9.2.0.4.0 to 10.2.0.2.0 on AIX 5.2 after software Installation before patch set apply when i try to start the Database im Getting this Error Below
SQL> startup mount
ORACLE instance started.
Total System Global Area 784334848 bytes
Fixed Size 2022384 bytes
Variable Size 550634512 bytes
Database Buffers 229507072 bytes
Redo Buffers 2170880 bytes
ORA-00205: error in identifying control file, check alert log for more info
Alert_LOG
Mon Jul 3 09:17:15 2006
ORA-00202: control file: '/oracle/QAS/sapdata1/cntrl/cntrlQAS.dbf'
ORA-27086: unable to lock file - already in use
IBM AIX RISC System/6000 Error: 13: Permission denied
Additional information: 8
Additional information: 26492
Please Help me..........
Ahmed

check do u have proper permission to access this file?
and also check whether Is this file is access by 9i database or not.if this is the condition then shutdown the database and startup from 10g home.
27086, 00000, "skgfglk: unable to lock file - already in use"
// *Cause: the file is locked by another process, indicating that it is
// currently in use by a database instance.
// *Action: determine which database instance legitimately owns this file.

ORA-27086: unable to lock file - already in use, Help

We have a windows 2003 server running 10.1.02 w/multiple instances. I created a new, fresh database using DBCA. the db created OK, and I can login as sys.
When I try to create a tablespace, I get these errors. Any suggestions, please?
Thanks,
Leor
SQL> CREATE TABLESPACE BGEN_DATA
2 DATAFILE 'BGEN_DATA.ora' SIZE 1000M REUSE
3 AUTOEXTEND ON NEXT 2M MAXSIZE UNLIMITED
4 ;
CREATE TABLESPACE BGEN_DATA
ERROR at line 1:
ORA-01119: error in creating database file 'BGEN_DATA.ora'
ORA-27086: unable to lock file - already in use
OSD-04002: unable to open file
O/S-Error: (OS 5) Access is denied.

We have a windows 2003 server running 10.1.02
w/multiple instances. I created a new, fresh
database using DBCA. the db created OK, and I can
login as sys.
When I try to create a tablespace, I get these
errors. Any suggestions, please?
Thanks,
Leor
SQL> CREATE TABLESPACE BGEN_DATA
2 DATAFILE 'BGEN_DATA.ora' SIZE 1000M REUSE
3 AUTOEXTEND ON NEXT 2M MAXSIZE UNLIMITED
4 ;
EATE TABLESPACE BGEN_DATA
ERROR at line 1:
ORA-01119: error in creating database file
'BGEN_DATA.ora'
ORA-27086: unable to lock file - already in use
OSD-04002: unable to open file
O/S-Error: (OS 5) Access is denied.First of all, you need to give an absolute path to your datafile. Otherwise, it's going to be hard to track where's the file.
Do you have other database instance running on the same server?
PS, don't cross post on many forum.

Online backup failure due to ORA-27086: unable to lock file - already in us

Hi All,
Online backup has failed due to the error
=========================================================
BR0301E SQL error -27086 at location BrInitOraCreate-5, SQL statement:
'/* BRBACKUP AT PROF_CONN */ CREATE PFILE = '/oracle/SID/102_64/dbs/sap.ora' FROM SPFILE = '/oracle/SID/102_64/dbs/spfileSID.o
ra''
ORA-27086: unable to lock file - already in use
IBM AIX RISC System/6000 Error: 13: Permission denied
Additional information: 8
Additional information: 1388548
BR0303E Determination of Oracle version failed
==========================================================
Please suggest.

Check the file permissions on your Oracle_home...
And kill all the processes, which already running for backup..
Regards,
Nick Loy

ORA-27086: skgfglk: unable to lock file - already in use

Hi,
I advance I appreciate your time for assistance.
Thu Sep 30 23:07:08 2010
Errors in file /opt/app/oracle/admin/EDITDATA/bdump/editdata_dbw0_21124.trc:
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: '/opt/app/oracle/oradata/EDITDATA/users01.dbf'
ORA-27086: skgfglk: unable to lock file - already in use
Linux Error: 11: Resource temporarily unavailable
I am getting this error for last 2-3 days. I need to start up the database manually.
Daily there is crontab schedule which will take the cold backup and startup the database. When I am checking daily morning. DBt is going into MOUNT stage instead of OPEN stage. I have check the script every thing is fine.
Note: This is happening intermetendly. Also is error is happening with different datafiles each time.
Regards

user818118 wrote:
This is the cold_backup Script ...
1) First, it will shutdown the db.
2) Copy all the crb files to the backup location.CRB files? Do you mean data files, control files and spfile/pfile?
3) Startup the db.
4) ZIp the files.
5) Deletes the old uncompress files.Any special reason why you use this approach? It may in fact be slower than zipping and compressing on the fly.
For example, 10GB of data files need to be be backed up. You can follow the above approach and make a 10GB copy. Then read that copied 10GB (20GB in total read at this stage) and then compress it (CPU resources needed) and then write 5GB of compressed data (assuming a 50% compression ratio was achieved).
Now compare this with reading 10GB, compressing it (CPU resources needed) and then writing 5GB. Not only is this significantly less I/O to do, but less physical space is needed too.
As for your problem - you can add some debugging code into the cold backup script to show whether any processes are using any of the Oracle datafiles prior to starting the Oracle instance. If so, then doing a process listing of the "guilty" process to determine who it is.
Also keep in mind that you also need clean starts and exits from shell scripts... in other words, what happens if a 2nd copy of the cold backup is started? Or when a previous run failed and is stuck as a background process?
In my experience, this is often the cause of the problem you're seeing - the database is started up, but the cold backup has a rogue process (remnant of some script failure) that still locks Oracle datafiles.

ORA-27041: unable to open file

Hi,
while opening the DB by giving startup command ,i am getting following error
Errors in file d:\oracle\admin\pdonds\udump\pdonds_ora_4120.trc:
ORA-00206: error in writing (block 1, # blocks 1) of controlfile
ORA-00202: controlfile: 'C:\ORACLE\CONTROLFILE2\CONTROL02.CTL'
ORA-27041: unable to open file
OSD-04002: unable to open file
O/S-Error: (OS 5) Access is denied.
please tell me ,where is the mistake.

Hi..
Check permission on control file.
Do you have a pfile of the database. If , you have remove this controlfile (CONTROL02.CTL) entry from control_files in the pfile,and try to start the database.
If you don't have a pfile, do
sql> startup
--- You will get error.Database will not go to mount stage.
sql> alter system set control_files='location\CONTROL01.CTL','location\CONTROL03.CTL' scope=spfile;
sql> shu immediate;
sql> startup -- This will start the database.
Anand
Edited by: Anand... on Jan 6, 2009 11:20 AM

Novell-named Unable to lock file /etc/nam.conf..?!?

Getting this error on startup of novell-named
>>
# rcnovell-named restart
Shutting down name server BIND waiting for novell-named to shu(28s) done
Starting name server BIND Unable to lock file /etc/nam.conf.
Permission denied
<<
Seems superficial, as dns seems to work fine. However, wondering what/why/etc. Can't think of a relationship...
Anyone any suggestions?
Cheers
David

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ORA-27037: unable to obtain file status

what is the solution of this error
skipping archive log file /u02/proddata/ARCH/1_1150_742566836.dbf; already backe
d up 1 time(s)
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ORA-27086: unable to lock file over NFS -- but it's NOT Netapp!

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