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Tag: Exam E20-885 (update November 4th, 2014)

Exam E20-885: VNX Solutions Expert Exam for Implementation Engineers (update November 4th, 2014)

Why does CIFS replication not failover to the target VNX during the DR test?

A customer has two EMC VNX configured to replicate between sites. Each VNX has dual Control
Stations. The primary Control Station at the source site fails at 6 p.m. and reboots. At 8 p.m., the
customer completes DR testing and observes that CIFS replication does not failover to the target
site VNX. Why does CIFS replication not failover to the target VNX during the DR test?

What should you implement to meet these recovery objectives without impacting Exchange performance or the reco

A customer is running Exchange 2010 on an EMC VNX. The customer recovery SLA mandates
they cannot lose more than 10 MB of mail data, and the mail system cannot be down for more
than five minutes. What should you implement to meet these recovery objectives without
impacting Exchange performance or the recovery SLA?

What is the most likely cause for this SAN Copy session behavior?

A customer is using SAN Copy to migrate data between two EMC VNX. They use Navisphere
Secure CLI to manually select the source and destination LUNs for the SAN Copy session. The
source LUN is 419430400 blocks in size, with 367001600 blocks used for data. They select a
destination LUN that is 367001600 blocks in size. The SAN Copy session starts, but fails to
complete. What is the most likely cause for this SAN Copy session behavior?

What is the recommended method to destroy the old mirrors?

A storage administrator recently replaced their secondary EMC CLARiiON with a new EMC VNX.
The secondary CLARiiON was used to store secondary images of their production LUNs using
MirrorView/S.
After the replacement, the storage administrator realizes they fractured the mirrors to the primary
CLARiiON, but did not destroy them. The storage administrator reports they are not able to
destroy the old mirrors and receives an error message stating the secondary SP cannot be
reached.
What is the recommended method to destroy the old mirrors?

What should you tell the customer about this configuration?

A customer wants to implement file system replication between two EMC VNX. The source
production file system contains data from a sequential workload that resides in a pool comprised
of 2 TB NL-SAS drives. Due to cost concerns, the destination file system and SavVol volumes will
also be NL-SAS and share spindles with user LUNs for another application. What should you tell
the customer about this configuration?


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