Try Nutanix : NCM-MCI-6.10 valid & accurate questions and answers

Correct Answer:

See the Explanation for step by step solution.
Explanation:
One possible reason why the SQL03 VM was not powered back on after a host failure is that the cluster was configured with the default (best effort) VM high availability mode, which does not guarantee the availability of VMs in case of insufficient resources on the remaining hosts. To resolve this issue, I suggest changing the VM high availability mode to guarantee (reserved segments), which reserves some memory on each host for failover of VMs from a failed host. This way, the SQL03 VM will have a higher chance of being restarted on another host in case of a host failure.
To change the VM high availability mode to guarantee (reserved segments), you can follow these steps:
Log in to Prism Central and select the cluster where the SQL VMs are running.
Click on the gear icon on the top right corner and select Cluster Settings.
Under Cluster Services, click on Virtual Machine High Availability.
Select Guarantee (Reserved Segments) from the drop-down menu and click Save.
To configure the environment to ensure any single host failure affects a minimal number of SQL VMs, I suggest using anti-affinity rules, which prevent VMs that belong to the same group from running on the same host. This way, if one host fails, only one SQL VM will be affected and the other SQL VMs will continue running on different hosts.
To create an anti-affinity rule for the SQL VMs, you can follow these steps:
Log in to Prism Central and click on Entities on the left menu.
Select Virtual Machines from the drop-down menu and click on Create Group.
Enter a name for the group, such as SQL Group, and click Next.
Select the SQL VMs (SQL01, SQL02, SQL03) from the list and click Next.
Select Anti-Affinity from the drop-down menu and click Next.
Review the group details and click Finish.
I hope this helps. How else can I help?
https://portal.nutanix.com/page/documents/details?targetId=AHV-Admin-Guide-v6_5:ahv-affinity-policies-c.html
A screenshot of a computer Description automatically generated with medium confidence

Correct Answer:

See the Explanation below for detailed answer.
Explanation:
Here is the step-by-step solution to all three tasks, performed within the Nutanix Prism interface.
Task 1: Create Monitoring Session & Save Metrics
* From the Prism Central dashboard, navigate to Operations > Analysis.
* Click the + New Session button.
* Name the session Monitor SQL02.
* In the "Entities" search box, type SQL01 and select VM: SQL01.
* In the "Entities" search box, type SQL02 and select VM: SQL02.
* Click Add Charts > New Chart.
* Title: Storage IOPS
* Metric: Storage Controller IOPS
* Click Add.
* Click Add Charts > New Chart.
* Title: Storage Latency
* Metric: Storage Controller Latency
* Click Add.
* Click Add Charts > New Chart.
* Title: Storage Bandwidth
* Metric: Storage Controller Bandwidth
* Click Add.
* Click Save Session.
* With the "Monitor SQL02" session open, right-click anywhere on the page and click Select All.
* Right-click again and select Copy.
* Open Notepad, paste the content, and save the file to the desktop as Task 1.txt.
(The content pasted into Task 1.txt would be the session's chart configurations, showing metrics for SQL01 and SQL02.)
Task 2: Create and Schedule the Report
* While still in the "Monitor SQL02" analysis session, click the Save as Report button (it looks like a bookmark icon).
* Name the report MonitorSQL02 and click Save.
* Navigate to Operations > Reports.
* Find the MonitorSQL02 report in the list. Select its checkbox.
* Click the Actions dropdown and select Schedule.
* Configure the schedule with the following settings:
* Schedule Name: monitovm2_daily_report
* Recurrence: Daily
* Start Time: (Set to a time, e.g., 8:00 AM)
* Repeat every: 1 day(s)
* Retention Policy: Uncheck the "Retain a copy of the report" box. (This ensures reports are not retained).
* Email Report: Check this box.
* Format: PDF
* Recipients: [email protected]
* Click Save.
Task 3: Identify and Correct the Performance Issue
This task is performed without powering on the VMs, indicating a configuration error.
Investigation
* Navigate to VMs > Table view.
* Click on the SQL01 (the good VM) and select the Configuration tab.
* Expand the Disks section. Observe that the primary disk is attached to a SCSI bus (e.g., scsi.0). This is the high-performance standard.
* Return to the VM list and click on SQL02 (the problem VM).
* Expand the Disks section.
Root Cause
You discover that the primary disk for SQL02 is attached to an IDE bus. The IDE bus has significant performance limitations and is not suitable for a database server, causing the poor storage performance.
Correction
* With the SQL02 VM selected, click the Update button.
* In the "Update VM" dialog, scroll down to the Disks section.
* Find the disk attached to the IDE bus. Click the Edit (pencil) icon for that disk.
* Change the Bus Type dropdown from IDE to SCSI.
* The Device Index will automatically populate (e.g., scsi.0).
* Click Save in the "Update Disk" dialog.
* (Note: A "VirtIO SCSI Controller" will be automatically added to the VM configuration if one was not already present.)
* Click Save in the "Update VM" dialog.
The VM SQL02 is now configured to use the high-performance VirtIO-SCSI controller, which will resolve the storage performance discrepancy once the VM is powered on.

Correct Answer:

See the Explanation for step by step solution.
Explanation:
To configure the storage for the Citrix-based VDI, you can follow these steps:
Log in to Prism Central using the credentials provided.
Go to Storage > Storage Pools and click on Create Storage Pool.
Enter a name for the new storage pool, such as VDI_Storage_Pool, and select the disks to include in the pool.
You can choose any combination of SSDs and HDDs, but for optimal performance, you may prefer to use more SSDs than HDDs.
Click Save to create the storage pool.
Go to Storage > Containers and click on Create Container.
Enter a name for the new container for the non-persistent pool, such as MCS_Pool_Container, and select the storage pool that you just created, VDI_Storage_Pool, as the source.
Under Advanced Settings, enable Deduplication and Compression to reduce the storage footprint of the non- persistent desktops. You can also enable Erasure Coding if you have enough nodes in your cluster and want to save more space. These settings will help you optimize the storage capacity for the non-persistent pool.
Click Save to create the container.
Go to Storage > Containers and click on Create Container again.
Enter a name for the new container for the persistent pool, such as Persist_Pool_Container, and select the same storage pool, VDI_Storage_Pool, as the source.
Under Advanced Settings, enable Capacity Reservation and enter 20 GiB as the reserved capacity. This will guarantee that 20 GiB of space is always available for the persistent desktops. You can also enter 100 GiB as the advertised capacity to limit the maximum space that this container can use. These settings will help you control the storage allocation for the persistent pool.
Click Save to create the container.
Go to Storage > Datastores and click on Create Datastore.
Enter a name for the new datastore for the non-persistent pool, such as MCS_Pool_Datastore, and select NFS as the datastore type. Select the container that you just created, MCS_Pool_Container, as the source.
Click Save to create the datastore.
Go to Storage > Datastores and click on Create Datastore again.
Enter a name for the new datastore for the persistent pool, such as Persist_Pool_Datastore, and select NFS as the datastore type. Select the container that you just created, Persist_Pool_Container, as the source.
Click Save to create the datastore.
The datastores will be automatically mounted on all nodes in the cluster. You can verify this by going to Storage > Datastores and clicking on each datastore. You should see all nodes listed under Hosts.
You can now use Citrix Studio to create your VDI pools using MCS or full clones on these datastores. For more information on how to use Citrix Studio with Nutanix Acropolis, see Citrix Virtual Apps and Desktops on Nutanix or Nutanix virtualization environments.


https://portal.nutanix.com/page/documents/solutions/details?targetId=BP-2079-Citrix-Virtual-Apps-and- Desktops:bp-nutanix-storage-configuration.html

Correct Answer:

To configure the VM to better leverage AHV Turbo, you can follow these steps:
Log in to Prism Element of cluster A using the credentials provided.
Go to VM > Table and select the VM named Turbo.
Click on Update and go to Hardware tab.
Increase the number of vCPUs to match the number of multiqueues that you want to enable. For example, if you want to enable 8 multiqueues, set the vCPUs to 8. This will improve the performance of multi-threaded workloads by allowing them to use multiple processors.
Change the SCSI Controller type from SATA to VirtIO. This will enable the use of VirtIO drivers, which are required for AHV Turbo.
Click Save to apply the changes.
Power off the VM if it is running and mount the Nutanix VirtIO ISO image as a CD-ROM device. You can download the ISO image from Nutanix Portal.
Power on the VM and install the latest Nutanix VirtIO drivers for Windows 10. You can follow the instructions from Nutanix Support Portal.
After installing the drivers, power off the VM and unmount the Nutanix VirtIO ISO image.
Power on the VM and log in to Windows 10.
Open a command prompt as administrator and run the following command to enable multiqueue for the VirtIO NIC:
ethtool -L eth0 combined 8
Replace eth0 with the name of your network interface and 8 with the number of multiqueues that you want to enable. You can use ipconfig /all to find out your network interface name.
Restart the VM for the changes to take effect.
You have now configured the VM to better leverage AHV Turbo. You can run your stress test application again and observe the performance gains.
https://portal.nutanix.com/page/documents/kbs/details?targetId=kA00e000000LKPdCAOchangev
CPUto 2/4 ?
Change SATA Controller to SCSI:
acli vm.get Turbo
Output Example:
Turbo {
config {
agent_vm: False
allow_live_migrate: True
boot {
boot_device_order: "kCdrom"
boot_device_order: "kDisk"
boot_device_order: "kNetwork"
uefi_boot: False
}
cpu_passthrough: False
disable_branding: False
disk_list {
addr {
bus: "ide"
index: 0
}
cdrom: True
device_uuid: "994b7840-dc7b-463e-a9bb-1950d7138671"
empty: True
}
disk_list {
addr {
bus: "sata"
index: 0
}
container_id: 4
container_uuid: "49b3e1a4-4201-4a3a-8abc-447c663a2a3e"
device_uuid: "622550e4-fb91-49dd-8fc7-9e90e89a7b0e"
naa_id: "naa.6506b8dcda1de6e9ce911de7d3a22111"
storage_vdisk_uuid: "7e98a626-4cb3-47df-a1e2-8627cf90eae6"
vmdisk_size: 10737418240
vmdisk_uuid: "17e0413b-9326-4572-942f-68101f2bc716"
}
flash_mode: False
hwclock_timezone: "UTC"
machine_type: "pc"
memory_mb: 2048
name: "Turbo"
nic_list {
connected: True
mac_addr: "50:6b:8d:b2:a5:e4"
network_name: "network"
network_type: "kNativeNetwork"
network_uuid: "86a0d7ca-acfd-48db-b15c-5d654ff39096"
type: "kNormalNic"
uuid: "b9e3e127-966c-43f3-b33c-13608154c8bf"
vlan_mode: "kAccess"
}
num_cores_per_vcpu: 2
num_threads_per_core: 1
num_vcpus: 2
num_vnuma_nodes: 0
vga_console: True
vm_type: "kGuestVM"
}
is_rf1_vm: False
logical_timestamp: 2
state: "Off"
uuid: "9670901f-8c5b-4586-a699-41f0c9ab26c3"
}
acli vm.disk_create Turbo clone_from_vmdisk=17e0413b-9326-4572-942f-68101f2bc716 bus=scsi remove the old disk acli vm.disk_delete 17e0413b-9326-4572-942f-68101f2bc716 disk_addr=sata.0