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What is considered typical performance for an XtremIO single X-Brick cluster?
A. Small block writes: 200k-250k IOPs. Large block reads: up to 2.5 GB/s.
B. Small block writes: 200k-250k IOPs. Large block writes: up to 2.5 GB/s.
C. Small block reads: 200k-250k IOPs. Large block writes: up to 2.5 GB/s.
D. Small block reads: 200k-250k IOPs. Large block reads: up to 2.5 GB/s.
Choose an EMC XtremIO system and scale out linearly by adding more XtremIO X-Bricks.
A storage administrator is adding both an XtremIO and third-party storage arrays to their existing infrastructure. The administrator is using ViPR SRM to monitor the environment. Which requirement is needed to implement this solution?
A. A single third-party Solution Pack is required to manage both storage arrays.
B. Each storage needs its own Solution Pack.
C. Each storage array requires two Solution Packs; one for monitoring and one for performance.
D. A single XtremIO Solution Pack is required to manage both storage arrays.
Which actions are initiated when a snapshot is created on an XtremIO array?
A. Parent object becomes read only and two auxiliary volumes are created
B. Parent object remains writeable and one auxiliary volume is created
C. Parent object remains writeable and two auxiliary volumes are created
D. Parent object becomes read only and one auxiliary volume is created
When a copy is created, the volume’s existing metadata becomes an “ancestor” entity (parent object) that is shared between the production volume and the copy. New empty containers are created for subsequent changes to both the production volume and the virtual copy volume. Therefore, the act of creating a copy is instantaneous and involves no data or metadata copies.
https://www.emc.com/collateral/white-paper/h13035-wp-introduction-to-xtremio-snapshots.pdf (page 18)
What is a characteristic of the XtremIO Snapshot feature?
A. Snapshots may be deleted in any order
B. Snapshots can only be deleted in reverse creation order
C. Only one snapshot may be created or deleted at a time
D. Snapshots can be restored
Any copy in the hierarchy tree can be deleted without effecting the parents or children.
Not B: Deleting a snapshot in the middle of the tree triggers an asynchronous process. This process merges the metadata of the deleted entity’s children with that of their grandparents. This ensures that the tree structure is not fragmented.
Not C: It is possible to create copies of the production volumes in order to protect against logical data corruption. Multiple copies can be created over a short interval in order to provide a fine RecoverPoint Objective (RPO) in a cyclic manner (a superior RPO to a backup).
https://www.emc.com/collateral/white-paper/h13035-wp-introduction-to-xtremio-snapshots.pdf (page 14)
A customer currently uses XtremIO native remote replication with four RPAs and a 1 GB WAN link to asynchronously protect all production data. Management has decided that all data stored on the XtremIO must now be protected at the disaster recovery site by synchronous replication. How can this be achieved?
A. Set the Link Policy to Synchronous, Dynamic by throughput.
B. Purchase four additional RPAs.
C. Set the Link Policy to Synchronous, Dynamic by latency.
D. Use a VPLEX splitter.
XtremIO with VPLEX provides for both synchronous and asynchronous replication.
The engine of RecoverPoint is the RecoverPoint Appliance (RPA).
Not A, Not B, Not C: XtremIO with Physical RPA – No Synchronous option available, only asynchronous replication as this uses snapshot shipping.
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