E20-322 Technology Architect Solutions Design
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Note 2: E20-322 Answers are not shown in demo questions.
Exhibits and Answers are only provided in the Full Version.
Demo Question 3.
PG&B has a Windows 2003 database environment. Its storage administrator noticed that the performance of its CLARiiON LUNs was lower than expected. The workload has not increased in the last six months, but performance has declined steadily. You capture Analyzer data for a full working day. Performance does appear to be poor for all LUNs. Which combination of issues is likely causing the poor performance?
A. Disk crossings due to misaligned data and long seek times due to fragmented filesystems
B. Stripe crossings caused by small database I/Os and long seek times due to write caching
C. Soft media errors causing data re-reads and CLARiiON read cache prefetching
D. CLARiiON watermarks set incorrectly and prefetch set to constant mode
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