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Your company has deployed an E2824 and has decided to change the host protocol from iSCSI to FC. You use the storage array profile to review the installed SFPs.
In this scenario, which set of supported data rates indicates that you are using dual-purpose SFPs?
Answer : B
Dual-purpose SFPs: These are transceivers capable of supporting multiple data rates, allowing for flexible deployment in different networking environments.
Supported Data Rates: In the scenario where you are reviewing the storage array profile to determine if dual-purpose SFPs are installed, a set of supported data rates of 32 Gbps, 16 Gbps, 8 Gbps, and 4 Gbps indicates the presence of such SFPs. This enables the switch from iSCSI to FC without needing to replace the hardware.
Configuration: Once the correct SFPs are identified, the host protocol can be adjusted accordingly within the SANtricity System Manager to utilize the desired Fibre Channel speeds.
NetApp E-Series SANtricity System Manager documentation on hardware configuration
NetApp Implementation Engineer - SAN Specialist - E-Series manuals
An administrator is asked to provision a 1 TB volume to hold non-critical temporary data for a seismic-analysis application. The volume requires the highest possible IOPS.
In this scenario, which configuration would satisfy this requirement?
Answer : C
Understanding the Requirements: The administrator needs to provision a 1 TB volume for non-critical temporary data that requires the highest possible IOPS.
Non-Critical Data: Since the data is non-critical, redundancy (data protection) is not the primary concern. Therefore, RAID 0, which does not provide redundancy but maximizes performance, is suitable.
Highest Possible IOPS: RAID 0 is known for providing the highest IOPS compared to other RAID levels because it stripes data across multiple disks, allowing simultaneous read/write operations.
Segment Size: A smaller segment size (32 KiB) will result in higher IOPS for small random I/O operations, which is typical in seismic-analysis applications.
Which data protection strategy has the most overhead capacity as a percentage of the total capacity?
Answer : A
RAID Levels Overview:
RAID 5: Single parity, moderate overhead.
RAID 6: Dual parity, higher overhead than RAID 5.
RAID 10: Mirroring and striping, highest overhead due to 100% redundancy (mirroring).
Dynamic Disk Pools (DDP): Efficient use of capacity but more overhead than RAID 5.
Overhead Calculation:
RAID 10 has the most overhead because it mirrors all data, effectively using twice the storage capacity.
Capacity Overhead: The overhead in RAID 10 is 50% of the total capacity, meaning if you have 1 TB of usable storage, you need 2 TB of total storage.
A customer is running several EF570 systems and uses the ability of the EF-Series systems to run two host protocols at the same time. You are installing a new EF570 that uses the NVMe protocol for a high performance computing application. The controller on-board ports will not connect, but the HIC ports are working fine.
In this scenario, what is the problem?
Answer : C
EF570 Systems: The EF570 supports multiple host protocols simultaneously, including NVMe.
Connection Issue: The controller on-board ports not connecting while HIC ports are working fine suggests a potential configuration issue.
SFP Mismatch: The most likely cause is that the on-board ports have the wrong Small Form-factor Pluggable (SFP) modules installed for NVMe protocol.
Solution: Ensure that the correct SFPs for NVMe protocol are installed in the on-board ports.
Which two actions must be performed to enable iSCSI multipathing on Windows for NetApp E-Series systems? (Choose two.)
Answer : A, B
iSCSI Multipathing: Enables multiple paths for data to travel between the host and storage, providing redundancy and increased performance.
Steps to Enable:
iSCSI IP Setup: Configure IP addresses for the iSCSI interfaces on both the E-Series system and the Windows host to ensure proper network communication.
Host Utilities: Install NetApp E-Series Host Utilities on the Windows host to provide the necessary drivers and multipathing software.
