E20-850 CLARiiON Implementation Engineer Expert
Note 1: E20-850 Exhibit and all related diagrams are not shown in demo questions.
Note 2: E20-850 Answers are not shown in demo questions.
Exhibits and Answers are only provided in the Full Version.
Note 2: E20-850 Answers are not shown in demo questions.
Exhibits and Answers are only provided in the Full Version.
Demo Question 8.
EliteCertify.com wishes to protect application data by mirroring LUNs from Site A to Site B. During testing with a single mirror, response time is acceptable and utilization on the CLARiiON is very low. The production environment is configured with five mirrors. They complain about slow response, so you use Navisphere Manager to determine how the company's data is laid out and find that: Site
A. 5 4+4 RAID 1/0 RAID Groups Single Data LUN on each RAID Group High Water Mark 80% Low Water Mark 60% Write Cache 3072 MB Site
B. 3 4+1 RAID 5 RAID Groups Single Data LUN on each of the first 2 RAID Groups 3 data LUNs on the third RAID Group High Water Mark 80% Low Water Mark 60% Write Cache 2048 MB What would you advise EliteCertify.com to do? Move a LUN from the third RAID Group to one of the other RAID Groups at Site Change the Low Water Mark at Site B to 40%.
C. Change the LUN Element Size on Site B to 128 k
D. Disable Write Cache on the CLARiiON at Site B.
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