An administrator has noticed an increase in network latency when powered-off virtual machines are migrated.
Which VMkernel adapter can the administrator use to reduce this latency?
An administrator has noticed an increase in network latency when powered-off virtual machines are migrated.
Which VMkernel adapter can the administrator use to reduce this latency?
The VMkernel adapter most suited to reduce network latency when migrating powered-off virtual machines is the Provisioning adapter. Provisioning-based network traffic includes operations such as virtual machine cold migration, virtual machine cloning, and snapshot migrations. Using a dedicated Provisioning VMkernel adapter can help segregate this traffic, potentially reducing congestion and improving overall network performance during these processes.
(B) The administrator can use the vMotion VMkernel adapter to reduce the network latency during the migration of powered-off virtual machines. vMotion is a feature in vSphere that allows virtual machines to be live-migrated from one host to another with minimal disruption to their operation. To reduce network latency during vMotion migrations, the administrator can configure a dedicated VMkernel adapter for vMotion traffic. This dedicated adapter will be used for all vMotion traffic, which helps to reduce network congestion and improve the performance of vMotion migrations. By reducing network latency, the administrator can minimize the disruption to the virtual machines being migrated and ensure a smooth migration process.
ANS is C, correct --> VMKernel Port: Provisioning TCP/IP Stack Supports the traffic for virtual machine cold migration, cloning, and snapshot migration.
Agreed. See here: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vcenterhost.doc/GUID-AC418F24-8E7D-40B6-9D07-A9DB504C7F1B.html
Answer is C: provisioning VMkernel ports themselves may not directly reduce latency, configuring them appropriately for specific types of traffic can optimize network performance, potentially leading to reduced latency in the VMware environment.
B is wrong - When a virtual machine is powered off, it is not possible to use vMotion for migration because vMotion requires the virtual machine to be in a running state so that it can transfer the memory, CPU, storage, and network state from one host to another.
Answer C because vMotion is a hot/live migration turned on VM.
Provisioning: Provisioning refers to the process of allocating and configuring resources for virtual machines. It does not specifically address network latency during migrations. Therefore, the correct option is B. vMotion, as optimizing the VMkernel adapter used for vMotion can help reduce network latency when migrating powered-off virtual machines.
Correct. Powered off is the key word. vMotion is for power on VM's.
While vMotion is recommended for live migrations of running virtual machines, the Provisioning TCP/IP stack is recommended for cold migrations, cloning, and snapshots, which includes migrations of powered-off virtual machines. By using a dedicated VMkernel adapter for this traffic, the administrator can isolate it from other types of network traffic and reduce network latency, improving performance for these operations.
C. Provisioning vmKernel port to reduce traffic on other ports.
C is correct. vMotion is for live migration and Provisioning is for cold migration ie turned off virtual machines
C is correct. vMotion is for live migration and Provisioning is for cold migration ie turned off virtual machines
B is the correct answer
VM power off not use vMotion traffic for VM migrated.