E10K: Dynamic Re-configuration Process



Standard disclaimer:  use the information that follows at your own risk.  If you screw up a system, don't blame it on me...


To attach a board to a domain:

  1. domain_switch to the appropriate domain
  2. Execute drshell by entering dr
  3. init_attach ${board}
  4. complete_attach ${board}
  5. reconfig

To detach a board from a domain:

  1. domain_switch to the appropriate domain
  2. drain ${board} If the drain fails, check the following:
    1. Turn off netbackup: /etc/init.d/netbackup stop
    2. Remove the sg driver from the modules by executing:
      1. modinfo | grep sg Note the module number.
      2. modunload ${mod_number}
    3. Remove the scsi tape driver from the modules by executing:
      1. modinfo | grep st Note the module number.
      2. modunload ${mod_number}
    4. If drain is still failing, execute drshow unsafe and troubleshoot any remaining unsafe drivers
  3. complete_detach ${board}
  4. reconfig