Establish a Process for Rolling Upgrades to Apply Security Patches Without Downtime

Cómo se verifica

Método de auditoría: Revisión manual

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Confirm a documented or automated rolling-upgrade procedure exists (one node at a time with cockroach node drain --shutdown, pre/post health checks, defined rollback plan, reference to Cockroach Labs upgrade docs). Run cockroach node status --all before upgrades: all nodes live, same version, no under-replicated ranges.

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

1. Prepare for rolling upgrade: - Confirm cluster health and full replication: cockroach node status --certs-dir=/var/lib/cockroach/certs --host=<node> cockroach node status --certs-dir=/var/lib/cockroach/certs --all Backups are strongly recommended before upgrades. 2. Upgrade CockroachDB binary on each node (one at a time): - Use cockroach node drain with --shutdown to gracefully drain and then terminate the node's process.