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

Microsoft SQL 2005 performed well during the fi rmware event. See Figure 11.Whilethenumberof
transactions per second did fall during the event, as soon as the firmware upgrade completed, the
number of transactions returned to its normal level. The write to disk latency on the LUN holding the SQL
2005 database has a similar increase as the latency on Exchange, but it also recovered quickly to a
steady state after the upgrade event.
Figure 11 Light load on M icrosoft SQL Ser ver 2005
HP StorageWorks Enterprise Virtual Array online firmware upgrade best practices
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