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Oracle 11g Release 2 – How to enable SSH equivalence

There is a problem with shared oracle homes on ACFS documented here.

However if you have not configured SSH equivalence before this short guide shows how to do set up ssh equivalence between the nodes “rac1.regner.de” and “rac2.regner.de”:

1. Unpack the database installation files

2. Execute:

  -user ora11p -hosts "rac1.regner.de rac2.regner.de" -shared

-user: the name of the user for ssh equivalence to be configured
-hosts: space separated list of node names
-shared: indicates a shared oracle home (on acfs or nfs)

3. Check it

/usr/bin/ssh -o FallBackToRsh=no  -o PasswordAuthentication=no 
  -o StrictHostKeyChecking=yes  -o NumberOfPasswordPrompts=0 rac2 /bin/date
/usr/bin/ssh -o FallBackToRsh=no  -o PasswordAuthentication=no
  -o StrictHostKeyChecking=yes  -o NumberOfPasswordPrompts=0 rac1 /bin/date

The two commands above should return the current date. Thats it.

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