ora-27086 ora-01157 unable to lock file already in use

ora-27086 ora-01157 unable to lock file already in use

 

  

Even though NFS is used on this server the files in question are not NFS
mounted, but appear to be local.
How can I unlock these files and get my database back up. How do I
check on what process has these files locked. It's a Sun Solaris box.
Reboot the box?
thanks,
Mike

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