Re: Oracle Database physical files and file system details

Thanks for the replies. I figured that since Oracle will complain when NFS mount options are not correct...

$ oerr ora 27054
27054, 00000, "NFS file system where the file is created or resides is not mounted with correct options"

// *Cause:  The file was on an NFS partition and either reading the mount tab
//          file failed or the partition wass not mounted with the correct
//          mount option.
// *Action: Make sure mount tab file has read access for Oracle user and
//          the NFS partition where the file resides is mounted correctly.
//          For the list of mount options to use refer to your platform
//          specific documentation.

Then perhaps the information is available via some v$ table etc... anyways... it sounds like I am out of luck so I will have to pull the file path names and get the actual file system details via a shell script.

Ken.

On Fri, Oct 12, 2012 at 4:13 PM, Kenneth Fowler <kenneth.r.fowler_at_gmail.com> wrote:
> Hi List,
>
>
> Can anyone tell me if there is a v$, x$ or dba_ table/view that
> contains file system details for the physical files that make up an
> oracle database?
>
>
> I recently accepted a job (Oracle DBA) at a new company and I notice
> that the standard database layout here sometimes makes use of Unix
> soft links. Lets say the database files from dba_data_files look like
> this...
>
> SQL> select version from v$instance;
>
> VERSION
> -----------------
> 11.2.0.2.0
>
> SQL> select file_name from dba_data_files;
>
> FILE_NAME
> ------------------------------------------------------------------------------------------------------------------------------------
> /u01/oradata/dbarep/system01.dbf
> /u01/oradata/dbarep/sysaux01.dbf
> /u01/oradata/dbarep/undotbs01.dbf
> /u01/oradata/dbarep/users01.dbf
>
>
> But there are soft links involved...
>
> $ ls -ald /u01
> lrwxrwxrwx 1 oracle dba 4 Feb 4 2011 /u01 -> /mnt/nfsstore/oracle
>
>
> So the database files are stored in
> /mnt/nfsstore/oracle/oradata/dbarep which happens to be an NFS file
> system that is giving a lot of trouble lately. I have already set up
> an automated process that will collect database metadata for loading
> into a DBA repository for analysis and reporting etc. I already
> collect dba_data_files, dba_temp_files along with a lot of other stuff
> however I checked around (Google mostly) but cannot find any reference
> to v$, x$ or dba_ tables/views that can tell me what file system a
> file happens to be on and if it is local or NFS etc. I realize that I
> could get this information by using Unix commands (df for example) but
> that starts to get a bit messy so my hope was that I could somehow get
> the information from the database (sqlplus). Any ideas?
>
>
> Thanks,
> Ken.

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