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A company wants the most scalable host-side connection topology for E-Series systems.
In this scenario, which FC topology would satisfy the requirement?
Fabric attach FC topology is the most scalable host-side connection topology for E-Series systems.
This topology involves connecting the E-Series storage system to a Fibre Channel switch, which then connects to the hosts.
Scalability: The fabric attach topology supports a large number of devices by allowing multiple switches to be interconnected, forming a fabric.
Redundancy: It offers higher redundancy and failover capabilities because multiple paths can be created between the hosts and the storage.
Reference: NetApp Documentation (NetApp E-Series SANtricity Software, Implementation and Planning Guide).
A company has a duplex E-Series system that is operating in a highly tuned environment. Load distribution between the controllers has been manually set up to achieve a specific distribution based on unique workload characteristics.
In this scenario, to maintain this load distribution over time, which E-Series feature should be disabled?
Understanding Load Distribution: In a duplex E-Series system, load distribution between controllers can be manually set up to optimize performance based on specific workload characteristics.
Automatic Load Balancing: This feature automatically redistributes workloads between controllers to balance the load. However, in a highly tuned environment with manually configured load distribution, this automatic feature can disrupt the optimized settings.
Disabling Automatic Load Balancing: To maintain the manual load distribution over time, the Automatic Load Balancing feature should be disabled. This ensures that the workload remains distributed according to the specific manual configuration without interference from automatic adjustments.
NetApp E-Series SANtricity System Manager documentation
NetApp Implementation Engineer - SAN Specialist - E-Series manuals
Which command on a NetApp storage controller will display the average service time on a FC target port basis every five seconds?
Purpose: To display the average service time on a FC target port basis.
Command: fcp stats -i 5
Usage: Monitors Fibre Channel Protocol (FCP) performance, including service times for FC target ports at specified intervals (every 5 seconds in this case).
Reference: NetApp Data ONTAP Command Reference Guide.
A company implemented Automatic Load Balancing (ALB). When the controller workloads are monitored, it becomes obvious that there is an imbalance and that ALB is not working correctly.
In this scenario, what are two causes of the problem? (Choose two.)
Understand ALB Requirements: Automatic Load Balancing (ALB) in NetApp E-Series systems requires compatible host multipath drivers and host types.
Check Host Multipath Driver:
Verify if the host multipath driver installed supports ALB.
Incompatibility with the multipath driver can prevent ALB from functioning correctly, causing imbalance.
Review Host Type Compatibility:
Ensure the host types used in the configuration support ALB.
Certain host types might not be compatible, resulting in ALB malfunction.
Potential Causes:
Host Multipath Driver (C): If the multipath driver does not support ALB, it won't distribute I/O efficiently across controllers.
Host Type (D): Incompatible host types can lead to issues with ALB implementation, causing imbalances.
Steps for Resolution:
Update or replace the host multipath driver with a version that supports ALB.
Reconfigure or update the host types to ensure compatibility with ALB.
An administrator is asked to create a Dynamic Disk Pools (DDP) pool from eleven 12 TB disks with the requirement that there is adequate space available for a reconstruction if a drive in the pool fails.
In this scenario, what should the administrator do to satisfy this requirement?
Create the Disk Pool:
Step: Use the SANtricity System Manager to create a DDP with the eleven 12 TB disks.
Reason: The DDP automatically reserves space for reconstruction purposes.
Automatic Space Reservation:
Functionality: The system automatically reserves adequate space for reconstruction when a disk fails.
Confirmation:
Verify: Check the pool's configuration to ensure the space is reserved for reconstruction.
Result: The system will show the reserved space within the DDP configuration.
NetApp SANtricity System Manager User Guide
NetApp E-Series DDP configuration and best practices
