Google Search Appliance Configuring Distributed Crawling and Serving version 6.14 and later - Manual (Page 13)

Google Search Appliance: Configuring Distributed Crawling and Serving 13
3. Log in to the Admin Console of the previous replica node to promote it as new master node.
4. Re-configure GSA
n
Distributed crawling and serving by selecting a previous non-master node as
non-master to this master node.
5. Click Apply Configuration. This broadcasts the configuration data to all appliances in the GSA n
network. Note that document serving will be interrupted briefly on the master node after you click
Apply Configuration.
When the Failed Node is Not the Master Node
To recover from a node failure when GSA mirroring is enabled and the failed node is a primary search
appliance but not the master:
1. Log in to the Admin Console of the master node in the distributed crawling and serving
configuration.
2. Click GSA n > Configuration.
3. Click the Edit link for the shard configuration that contains the failed node.
4. Delete the failed node.
5. Add a replica to replace the failed primary.
6. Click Save.
7. Remove the new primary search appliance from the list of replica search appliances.
8. Click the GSA n Configuration link.
9. Click Apply Configuration. This broadcasts the configuration data to all appliances in the GSA n
network. Note that document serving will be interrupted briefly on the master node after you click
Apply Configuration.
Recovering from Node Failure When GSA Mirroring is
Not Enabled
To recover from a node failure when GSA mirroring is not enabled, you must add a new Google Search
Appliance to the configuration. If you do not have an additional search appliance, delete and recreate
the distributed crawling and serving configuration and recrawl the content.
When the Failed Node is the Master Node
To recover from a node failure when GSA mirroring is not enabled and the failed node is the master
node:
1. To promote any non-master node as master node, log in to the Admin Console of a non-master
node and click Status and Reports > Pause Crawl.
2. On all nodes, click GSA
n
> Configuration and click Disable GSA
n
.
3. Re-configure GSA
n
distributed crawling and serving by adding the new node as a non-master node.
4. Click Apply Configuration. This broadcasts the configuration data to all appliances in the GSA n
network. Note that document serving will be interrupted briefly on the master node after you click
Apply Configuration.