Oracle DBA Tips and Techniques

By Arjun Raja

NFS MOUNTED DISKS – ORA27054

Posted by Arjun Raja on August 26, 2010

During RMAN clones , the foll error might appear despite all backup files having 777 permissions if you are using NFS mounted disks mounted on another box.

ORA-19505: failed to identify file
“/ora_export_2/backup//df_714731184_147403_1″
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options

Workaround –

alter system set event=”10298 trace name context forever, level 32” scope=spfile;

Restart instance and try a restore.

Once restore is complete , remove the event set and restart cloned instance.

It this does not work try getting the UNIX admin to mount the disks with the following options –

rw,bg,intr,hard,timeo=600,wsize=32768,rsize=32768,nfserver=3,tcp

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One Response to “NFS MOUNTED DISKS – ORA27054”

  1. santosh m said

    Hi,

    Just seen your blog, looks very interesting, posted topics are really good seems very helpful to me. Thanks for all the topics posted here.

    Santosh M

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