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Free E20-393 Exam Braindumps (page: 18)

Page 17 of 75
PDF with 297 Questions

A file system is 1 TB in size and contains 250 GB of data. The file system is not fully allocated and only 450 GB of pool storage is in use. The user wants to reduce the file system to 300 GB.
How much space is returned to the storage pool?

  1. 150 GB
  2. 450 GB
  3. 700 GB
  4. 750 GB

Answer(s): A



In order to replace a faulty component, a service provider has placed one of the Unity Storage Processors into Service mode. Once the component is replaced, how is the Storage Processor brought back into Normal mode?

  1. Exit the Service Mode task
  2. Reboot the Storage Processor
  3. Reboot the storage system
  4. Restart the Management software

Answer(s): B

Explanation:

If a single Storage Processor (SP) comes up in Service Mode, in Unisphere, you need to reboot the SP to return it to Normal Mode.


Reference:

https://www.emc.com/collateral/TechnicalDocument/docu69355.pdf (page 4)



A user is having difficulty troubleshooting a Unity storage system and the service provider has been contacted for assistance. The service provider needs to run some service commands on the Storage Processors to troubleshoot the issue further.

Which step must be taken to allow the service provider remote access to the storage system?

  1. Enable SSH on the storage system
  2. Set the Unisphere preferences to “Optimize” for remote access
  3. Specify the SMTP configuration
  4. Specify the Remote Logging configuration

Answer(s): A



How long will a Copy Back operation take when a hot spare is invoked?

  1. Pro-Active hot spare does not use a Copy Back operation
  2. Copy Back time depends on the RAID type
  3. Copy Back time depends on the disk capacity
  4. Copy Back time depends on the disk type

Answer(s): B

Explanation:

Note: Starting with Release 24, you can now use a proactive hot spare for proactive disk replacement. Before Release 24 you had to remove the physical disk to replace in order to force a rebuild. During the rebuild phase, the RAID group was "degraded" and at risk.

Resolution:
Three main benefits of using a proactive hot spare:
-Avoiding "uncorrectable errors" due to media problems during the rebuild process.
-Greatly reduce the risk of having a degraded RAID group, and the risk of having a double-faulted RAID group.
-Performance - a copy to hot spare is faster than a normal rebuild.


Reference:

https://community.emc.com/docs/DOC-9419






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