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Displaying posts with tag: Management and Operations (reset)
Patch Updates and New Version Upgrades of your Database Clusters

October 1, 2013 By Severalnines


Database vendors regularly issue critical patch updates to address software bugs or known vulnerabilities, but for a variety of reasons, organizations are often unable to install them in a timely manner, if at all. Evidence suggests that companies are actually getting worse at patching databases, with an increased number violating compliance standards and governance policies1.

Patching that require database downtime would be of extreme concern in a 24*7 environment, however most cluster upgrades can be performed online. ClusterControl performs a rolling upgrade of the cluster, upgrading and restarting one node at a time. The logical upgrade steps might slightly differ between the different cluster types. 


Upgrading your Database


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