Offline AMPs
The impact of offline AMPs on the Update driver depends on:
The table below describes the impact of offline AMPs on Update driver tasks on fallback and nonfallback tables.
If... |
And... |
Then... |
All of the target tables are fallback
|
Not more than one AMP is offline |
Update driver tasks continue to run as long as there is not more than one AMP offline in a cluster, either logically or physically. The offline AMP does not participate in the application phase if: |
Two or more AMPs are offline |
Update driver tasks do not run or terminate if two or more AMPs are offline in a cluster, either logically or physically. Note: In the application phase, if AMPs are offline to the extent that data on the disk is corrupted, then you must restore the affected tables. |
|
One or more of the target tables is nonfallback |
One or more AMPs are offline |
Update driver tasks terminate and you cannot restart until all of the AMPs are online.
Note: The Update driver also terminates if |