User guide

7. After you initiate the creation process, click Close.The cluster might take several minutes to be
ready to use.
You can monitor the status of the operation in the performance dashboard.
Modifying a Cluster
You can modify the following configuration options for an existing cluster:
Cluster Identifier
Cluster Parameter Group
VPC Security Groups
Master User Password
HSM Connection
HSM Client Certificate
Automated Snapshot Retention Period
Maintenance Window Start
Maintenance Window End
All of these changes take effect only after the cluster is restarted.
API Version 2012-12-01
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Amazon Redshift Management Guide
Modifying a Cluster