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Creating a Data Store Backup
Contact Cisco Professional Services for assistance with planning and
implementing these tasks.
To backup your Data Store, you must perform the following:
l
Estimate the size of the backup
l
Prepare a backup host with twice the storage capacity of the backup size
Use a Linux-based host separate from your Stealthwatch appliances.
l
Install Python 3.7 and rsync 3.0.5 on the backup host
l
Ensure that all Data Nodes can reach the backup host using passwordless SSH
access
l
Initialize the backup directory on the backup host
l
Backup the Data Store
Estimate backup host storage requirements
Before You Begin
l
Log into a Data Node's console as
root
.
Procedure
1.
Copy the following command, paste it into the command line, and press Enter to
connect to the database using vsql and execute the query. Enter your password
when prompted. Note the results.
/opt/vertica/bin/vsql -U dbadmin -c "SELECT SUM(used_
bytes) FROM storage_containers;"
2.
Multiply the sum by 2 to estimate how much storage space your backup host
needs.
Prepare a backup host:
Before You Begin
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Data Store Maintenance