Pure Storage provides a robust, non-disruptive upgrade (NDU) architecture. Historically, PurityOS upgrades were strictly scheduled and executed entirely by Pure Storage Support to ensure maximum safety. However, modern iterations of the platform allow customers complete autonomy via the Self-Service Upgrade portal within Pure1 Manage.
If a client is on a tight timeline and cannot align with a support-scheduled maintenance window, they can securely initiate the upgrade themselves. The Pure1 portal orchestrates pre-flight checks (like running the internal hardware_check.py script and assessing cluster health) entirely in the background. Once the array's health is validated, the client can deploy the new Purity software directly from the cloud interface.
Customers should never attempt to manually run the internal pureinstall command via the CLI (Options B and C). That specific command circumvents critical automated safety checks and is reserved strictly for certified Implementation Engineers or Pure Support during offline KVM installations or complex hardware replacements.
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