Dell Compellent Series 30 - Manual (Page 267)

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Upgrading Storage Center Software

To decide how to apply updates
1 After downloading an update packages, view the Update Details:
a From the Storage Management menu, select System > Update > Update Status. The
Update Status display appears.
b Click Details. The Update Details display appears.
2 In the Update Details display, view the Update Type column for each component:
3 After viewing the Update Type for all components included in the update package,
determine how to apply the updates:
• If you intend to install components that affect service, plan for and schedule a service
outage during which to apply the updates. You may also want to install components
that are service optional during the schedule outage.
If you intend to install components that do not affect service, plan for applying the updates
during a time at which the Storage Center is least busy.
For this Update Type … Apply Update Options Include …
Required Component must be installed.
• For a single-controller Storage Center, the update
component affects service.
• For a clustered-controller Storage Center, the update
component can be performed without disruption of service.
Deferrable Service
Affecting Component installation can be deferred.
Applying the update affects service on all systems. Schedule a
service outage to apply the update.
Deferrable Service
Optional Component installation can be deferred.
Applying the update can be done either without affecting service
or during a scheduled service outage.