What is a consideration of encryption with Dell EMC Data Domain Cloud Tier?
With DD Encryption, data in the cloud remains secure.
A backup administrator has enabled the Retention Lock feature on a Dell EMC Data Domain system. They notice increased file system utilization over time and upon investigation they discover the expired files are still present on the Data Domain system.
What could be the possible reason for this situation?
What is a recommended best practice when implementing the Dell EMC Data Domain VTL feature?
Configure VTL access group and bind the initiator and target.
Discover and configure VTL on the hosts
Etc.
Note: VTL - Virtual Tape Library.
A backup administrator has configured multiple data movement policies on their Dell EMC Data Domain system that is configured with Extended Retention. They want to remove expired data from the retention tier.
Which feature is used to complete the task?
Which technique is used to identify the duplicate segments in the SISL process used by Dell EMC Data Domain?
The summary vector and segment locality techniques identify 99% of the duplicate segments in RAM (Inline) before storing to disk.
References:
https://www.emc.com/collateral/hardware/white-papers/h7221-data-domain-sisl-sclg-arch-wp.pdf
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