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NEW QUESTION # 35
In addition to PowerPath, what other supported multipathing software is used for VMware ESXi hosts connecting to XtremIO?
Answer: C
Explanation:
* In addition to PowerPath, the supported multipathing software for VMware ESXi hosts connecting to XtremIO is Native Multipathing (NMP).
* NMP is integrated with VMware and provides basic multipathing capabilities, allowing for path redundancy and load balancing.
* Properly configuring multipathing is crucial for achieving high availability and optimal performance in a VMware environment with XtremIO storage.
References:
* Dell EMC Host Connectivity Guide for VMware ESXi
* XtremIO Multipathing Configuration Documentation
NEW QUESTION # 36
When using the XtremlO WebUI, what is the correct sequence of steps to map a volume to a host?
Answer:
Explanation:
Explanation:
The correct sequence of steps to map a volume to a host using the XtremIO WebUI is:
* Select the volume.
* Select an initiator group.
* Assign a LUN number.
* Click 'Create/Modify Mapping'.
* View/verify the results.
To map a volume to a host in the XtremIO WebUI, you would follow these steps:
* Select the volume: Navigate to the volume you wish to map and select it. This is the first step because you need to specify which volume you're working with.
* Select an initiator group: Choose the initiator group that corresponds to the host to which you want to map the volume. An initiator group contains one or more initiators that uniquely identify the host in the storage environment.
* Assign a LUN number: Specify a Logical Unit Number (LUN) for the volume in this mapping. The LUN is an identifier for the volume in the context of the host to which it's being mapped.
* Click 'Create/Modify Mapping': After selecting the volume, initiator group, and assigning a LUN, you'll execute the command to create the mapping by clicking this button.
* View/verify the results: Finally, check the mapping to ensure that it has been successfully created and is functioning as expected.
This sequence of steps ensures that the volume is properly configured and connected to the host, allowing for efficient data management and access within the Dell XtremIO storage system.
NEW QUESTION # 37
When using the XtremlO X2 XMS WebUl to create an iSCSI portal, where would an administrator navigate to start the configuration process?
Answer: A
Explanation:
* To create an iSCSI portal using the XtremIO X2 XMS WebUI, an administrator should navigate to Cluster Settings.
* Within Cluster Settings, the configuration options for creating and managing iSCSI portals are available.
* This is the starting point for setting up network configurations and ensuring the proper operation of iSCSI connections.
References:
* Dell XtremIO X2 Configuration Guide
* XtremIO XMS WebUI Documentation
NEW QUESTION # 38
Which non-optimal configuration may have a significant effect on write operations on a Linux server connected to XtremIO?
Answer: B
Explanation:
Misalignment of data, particularly to the 4k boundaries, can significantly impact write operations on a Linux server connected to an XtremIO storage system. Here's why:
* Block Size Alignment: Modern storage systems, including SSDs used in XtremIO arrays, typically use a 4k (4096 bytes) block size for data storage1. This is the smallest unit of data that can be read or written to the storage.
* Misalignment Issues: When data is misaligned, it means that the file system's blocks do not line up with the storage device's blocks.This misalignment can cause additional read-modify-write cycles, which can degrade performance and increase latency for write operations1.
* Effect on Write Operations: If data is not aligned to the 4k boundaries, the storage system may need to perform extra work to handle the writes, as each write operation could span multiple physical blocks.This results in inefficient use of the storage array's resources and can lead to reduced throughput and increased wear on the SSDs1.
* Linux Server Configuration: On a Linux server, ensuring proper alignment is crucial for optimal performance. This can involve configuring the file system and partition alignment during the setup and using tools that can check and correct alignment issues.
In conclusion, misaligned data to the 4k boundaries (OA) is a non-optimal configuration that can have a significant effect on write operations on a Linux server connected to XtremIO.Proper alignment to the storage system's block size is essential for maintaining high performance and longevity of the storage media1.
NEW QUESTION # 39
Which operational state of an XtremIO X2 NVRAM card will trigger SuperCap discharging?
Answer: C
Explanation:
The SuperCapacitor (SuperCap) in an XtremIO X2 NVRAM card is designed to provide power to the card in the event of a power failure.When there is a power failure, the SuperCap discharges to maintain power to the NVRAM card long enough to ensure that all data in transit is written to flash storage, preventing data loss1.
Here's the sequence of events during a power failure:
* Power Failure Detected: The system detects a loss of power to the NVRAM card.
* SuperCap Discharge: The SuperCap begins to discharge, providing backup power to the NVRAM card.
* Data Write: The NVRAM card uses the power from the SuperCap to write any data in transit to the SSDs in the storage array.
* Data Secured: Once the data is safely written to the SSDs, the NVRAM card can safely shut down without risking data loss.
The SuperCap is a critical component that ensures data integrity during unexpected power interruptions. It is not used during normal operation (OB), after data is secured (OC), or when power is restored (OD).Its primary function is to protect data during power failures (OA)1.
NEW QUESTION # 40
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