Cisco Stealthwatch - Adding Three Data Nodes to the Data Store; Preparing the Data Store for Adding Data Nodes and Rebalancing

Before You Begin
l
Log into a Data Node console as root.
Procedure
1.
Enter su - dbadmin and press Enter to run the following commands as the
dbadmin user.
2.
Copy the following command and paste it into a plaintext editor:
/opt/vertica/bin/vsql -U dbadmin -w [password] -c "select
remove_database_snapshot('catalog');"
3.
Replace [password] with your dbadmin password.
4.
Copy the updated command, paste it into the command prompt, and press Enter to
remove the catalog snapshot.
What to Do Next
l Reconnect your Flow Collectors to the Data Store and ensure that they are passing
data.
l Reconnect your SMCto the Data Store.
Adding Three Data Nodes to the Data Store
Contact Cisco Professional Services for assistance with planning and
implementing these tasks.
You can expand your hardware Data Store in increments of three Data Nodes, or
multiples of three Data Nodes. If you want to expand the number of Data Nodes in your
Data Store, perform the following tasks:
Preparing the Data Store for Adding Data Nodes and Rebalancing
Before you add a Data Node, perform the following:
l
Back up the Data Store. See Creating a Data Store Backup for more information.
l Ensure that your Flow Collectors are not connected to the Data Store and passing
data.
l Ensure that your SMCis not connected to the Data Store and querying or
otherwise updating the Data Store.
l Delete old, unused data partitions. Contact Cisco Professional Services for
assistance with identifying these partitions.
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Data Store Maintenance