Using appliance snapshot with consolidated appliances

When an appliance is part of a consolidation network, you can use appliance snapshot to backup the appliance datastore and configuration files as normal. This feature can be used for both consolidation and scanning appliances.

Scanning appliance

When you take a snapshot of a scanning appliance, the following steps take place:

  1. Maintenance mode
  2. Snapshot invoked
  3. Transmission of any unsent consolidation data is halted
  4. Snapshot takes place
  5. Transmission of unsent consolidation data restarts

Consolidation appliance

When you take a snapshot of a consolidation appliance, the following steps take place:

  1. Maintenance mode
  2. Snapshot invoked
  3. Incoming consolidation data and requests for approval of scanning appliances is rejected until the snapshot is complete. The scanning appliances continue to attempt to send data, but the connection times out on each attempt, and the data is resent
  4. Snapshot takes place
  5. Incoming consolidation data and requests for approval of scanning appliances are now accepted
  6. The scanning appliances send consolidation data until the data queue is clear

Replacing an appliance

When an appliance has been replaced after a hardware failure, you can restore a snapshot of the appliance datastore and configuration files as normal. However, if the snapshot was taken during consolidation activity, there may be part completed consolidation runs and unsent data on the systems.

  • Use the same IP address and identifier for the replacement appliance as the failed appliance was using.
  • On the consolidation appliance, cancel any in progress consolidation runs.
  • Test the connections.

If you had to change the IP address or identifier:
On the consolidation appliance:

  • Cancel any in progress consolidation runs.

On the scanning appliance:

  • Stop any discovery runs.
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