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HP StorageWorks Enterprise Virtual Array Online Firmware Upgrade Best Practices (5697-6388, January 2007)

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Oracle 10g performed well during the firmware upgrade event. See Figure 12. While during the event,
the number of transactions p er second dropped off to a fraction of the steady state, the application did
not return any errors and ramped back up to its pre-upgrade level.
Figure 12 Light load on Oracle 10g
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Effect of online firmware upgrade on application resiliency