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EMC – Howto set IP alias on primary control station

November 7th, 2011 by D in EMC, howto, Tech

This is used to set the IP address that will move with the primary control station. That way you will always be on the primary CS if you connect to that particular IP address, it is an easy way of knowing that you will be on the primary.

 

  1. Log on to the CS as root
  2. Create the IP alias for the CS
    /nas/sbin/nas_conrig -IPalias -create 0
  3. Answer no to the question “Do you want slot_0 IP address x as your alias.
    This will allow you to set another IP that points to the active unit, and still be able to talk to the standby unit.
  4. Then specify the IP
  5. Then view what you did with :
    /nas/sbin/nas_config -IPalias -list

EMC – Howto do manual control station failover

November 7th, 2011 by D in Uncategorized
  • Log on to the master or slave CS as root
  • To make that CS the primary run :
    /nas/sbin/cs_standby -takeover
  • To make that CS the standby (that will reboot the CS) do :
    /nas/sbin/cs_standby -takeover