DELL D-VXR-OE-23 Practice Test - Questions Answers, Page 4

The duration of the evaluation licenses for vSphere ESXi included with the VxRail system is 45 days. This trial period allows users to explore and test the features and capabilities of vSphere ESXi before committing to a full license.

VMware vSphere Licensing Documentation: vSphere Licensing

The three data protection options included with VxRail are:

vSphere Replication: Provides simple and cost-effective replication of virtual machines for data protection and disaster recovery. It allows users to replicate VMs between different vSphere environments.

vSAN Stretched Cluster: Offers high availability and disaster recovery by stretching a single vSAN cluster across two geographically separated sites. It ensures data redundancy and site-level failure protection.

RecoverPoint for VMs: Provides continuous data protection and disaster recovery for VMware virtual machines. It enables point-in-time recovery and ensures minimal data loss in the event of a failure.

Dell VxRail Data Protection Solutions: VxRail Data Protection

When a VM is configured with hard disks totaling 100 GB and uses a RAID 5 vSAN Storage Policy, the total space consumed on the vSAN Datastore is approximately 133 GB. RAID 5 in vSAN requires additional space for parity, which is typically about 1.33 times the original data size. This means that for 100 GB of allocated space, the actual consumed space will be around 133 GB, accounting for the data and parity overhead.

VMware vSAN Storage Policies and Space Efficiency: vSAN Storage Policies

The maximum number of remote vSAN data stores a client cluster can mount using vSAN HCI Mesh is 6. VMware vSAN HCI Mesh allows for the mounting of remote vSAN datastores to provide flexible storage solutions and scalability. This feature enables multiple clusters to share storage resources efficiently.

VMware vSAN HCI Mesh Documentation

Dell VxRail Technical Guide

To calculate the additional vSAN capacity consumed when a 100 GB VM is vMotioned from Cluster-A to Cluster-B, consider the following:

Cluster-A: FTT = 2 and FTM = Erasure Coding (RAID 6), which uses approximately 1.5 times the data size, thus 100 GB VM uses about 150 GB of vSAN capacity.

Cluster-B: FTT = 2 and FTM = Mirroring (RAID 1), which uses 3 times the data size, thus 100 GB VM uses 300 GB of vSAN capacity.

The difference in vSAN capacity consumed between Cluster-B and Cluster-A is: 300 GB (Cluster-B) - 150 GB (Cluster-A) = 150 GB

So, Cluster-B consumes 150 GB more vSAN capacity than Cluster-A.

VMware vSAN Storage Policies: vSAN Storage Policies

In SolVe Online, the procedure to change the ESXi Hostname and IP address can be found in the 'Install' section. This section contains various setup and configuration guides, including those related to network settings and hostname/IP configurations.

Dell SolVe Online Portal: SolVe Online

In a VxRail deployment, the VMkernel interface used for vSAN traffic is typically vmk1. This interface is designated specifically for vSAN communication, ensuring that the storage traffic is segregated from other types of network traffic for performance and security reasons.

Dell VxRail Network Planning Guide: VxRail Network Planning Guide

In VxRail networks, the vSAN and vMotion networks support link aggregation. Link aggregation (also known as NIC teaming) allows multiple network interfaces to be combined into a single logical interface, providing redundancy and increased throughput. This is particularly beneficial for vSAN traffic, which requires high bandwidth and low latency, and vMotion traffic, which benefits from increased network performance during virtual machine migrations.

Dell VxRail Network Planning Guide: VxRail Network Planning Guide

To ensure that vSAN does not start rebuilding absent components while a node is in maintenance mode, an administrator should increase the vSAN Object repair timer. The Object repair timer controls the delay before vSAN initiates the rebuild of absent components. By increasing this timer, the administrator can ensure that maintenance can be completed without triggering unnecessary rebuilds, reducing the load on the system and preventing potential data redundancy issues.

VMware vSAN Configuration Guide: vSAN Configuration Guide