NCP-US-6.5 Exam Dumps : Nutanix Certified Professional - Unified Storage (NCP-US) v6.5

Smart DR in Nutanix Files, part of Nutanix Unified Storage (NUS), automates disaster recovery (DR) by replicating shares between primary and recovery file servers (e.g., using NearSync, as in Question 24). The administrator is using Smart DR to protect a Files share and needs seamless client redirection in the event of a failure, meaning clients should automatically connect to the recovery site without manual intervention.

Understanding the Requirement:

Smart DR Protection: Smart DR replicates the Files share from the primary site to the recovery site, typically with the primary site in read-write (RW) mode and the recovery site in read-only (RO) mode (as seen in the exhibit for Question 24).

Seamless Client Redirection: In a failure scenario (e.g., primary site down), clients should automatically redirect to the recovery site without needing to reconfigure their connections (e.g., changing the share path or IP address).

Files Share Context: Clients typically access Files shares via SMB or NFS, using a hostname or IP address (e.g., \fileserver\share for SMB or fileserver:/share for NFS).

Analysis of Options:

Option A (Create a reverse replication policy): Incorrect. A reverse replication policy would replicate data from the recovery site back to the primary site, typically used after failover to prepare for failback. This does not address seamless client redirection during a failure—it focuses on data replication direction, not client connectivity.

Option B (Enable redirection in the protection policy): Incorrect. Smart DR protection policies define replication settings (e.g., RPO, schedule), but there is no “redirection” setting in the policy itself. Client redirection in Nutanix Files DR scenarios is managed through external mechanisms like DNS, not within the protection policy.

Option C (Update the AD and DNS entries): Correct. Seamless client redirection in Nutanix Files DR scenarios requires that clients can automatically connect to the recovery site without changing their share paths. This is achieved by updating Active Directory (AD) and DNS entries:

DNS Update: The hostname of the file server (e.g., fileserver.company.com) should resolve to the IP address of the primary site’s File Server under normal conditions. During a failure, DNS is updated to point to the recovery site’s File Server IP address (e.g., the Client network IP of the recovery FSVMs). This ensures clients automatically connect to the recovery site without changing the share path (e.g., \fileserver.company.com\share continues to work).

AD Update: For SMB shares, the Service Principal Name (SPN) in AD must be updated to reflect the recovery site’s File Server, ensuring Kerberos authentication works seamlessly after failover.This approach ensures clients are redirected without manual intervention, meeting the “seamless” requirement.

Option D (Activate protected shares on the recovery site): Incorrect. Activating protected shares on the recovery site (e.g., making them RW during failover) is a necessary step for failover, but it does not ensure seamless client redirection. Without updating DNS/AD, clients will not know to connect to the recovery site—they will continue trying to access the primary site’s IP address, requiring manual reconfiguration (e.g., changing the share path), which is not seamless.

Why Option C?

Seamless client redirection in a Nutanix Files DR scenario requires that clients can connect to the recovery site without changing their share paths. Updating AD and DNS entries ensures that the file server’s hostname resolves to the recovery site’s IP address after failover, and AD authentication (e.g., Kerberos for SMB) continues to work. This allows clients to automatically redirect to the recovery site without manual intervention, fulfilling the requirement for seamlessness.

Exact Extract from Nutanix Documentation:

From the Nutanix Files Administration Guide (available on the Nutanix Portal):

“To ensure seamless client redirection during a Smart DR failover, update Active Directory (AD) and DNS entries. Configure DNS to resolve the file server’s hostname to the recovery site’s File Server IP address after failover, and update the Service Principal Name (SPN) in AD to ensure Kerberos authentication works for SMB clients. This allows clients to automatically connect to the recovery site without manual reconfiguration.”

Nutanix Files, part of Nutanix Unified Storage (NUS), provides file shares (e.g., SMB, NFS) that clients access. Intermittent server-side networking issues or FSVM High Availability (HA) events (e.g., an FSVM failover, as discussed in Question 40) can disrupt client connections. The administrator needs a feature to ensure automatic reconnection to shares during such events, minimizing disruption for users.

Analysis of Options:

Option A (Multi-Protocol Shares): Incorrect. Multi-Protocol Shares allow a share to be accessed via both SMB and NFS (as in Questions 8 and 60), but this feature does not address client reconnection during networking issues or FSVM HA events—it focuses on protocol support, not connection resilience.

Option B (Connected Shares): Incorrect. “Connected Shares” is not a recognized feature in Nutanix Files. It appears to be a made-up term and does not apply to automatic client reconnection.

Option C (Durable File Handles): Correct. Durable File Handles is an SMB feature in Nutanix Files (as noted in Question 19) that ensures automatic client reconnection after temporary server-side disruptions, such as networking issues or FSVM HA events (e.g., failover when an FSVM’s IP is reassigned, as in Question 40). When enabled, Durable File Handles allow SMB clients to maintain their session state and automatically reconnect without user intervention, meeting the requirement.

Option D (Persistent File Handles): Incorrect. “Persistent File Handles” is not a standard feature in Nutanix Files. It may be confused with Durable File Handles (option C), which is the correct term for this SMB capability. Persistent File Handles is not a recognized Nutanix feature.

Why Option C?

Durable File Handles is an SMB 2.1+ feature supported by Nutanix Files that ensures clients can automatically reconnect to shares after server-side disruptions, such as intermittent networking issues or FSVM HA events (e.g., failover). This feature maintains the client’s session state, allowing seamless reconnection without manual intervention, directly addressing the administrator’s requirement.

Exact Extract from Nutanix Documentation:

From the Nutanix Files Administration Guide (available on the Nutanix Portal):

“Durable File Handles is an SMB feature in Nutanix Files that ensures automatic client reconnection to shares during server-side disruptions, such as intermittent networking issues or FSVM HA events. Enable Durable File Handles to maintain client session state and allow seamless reconnection without user intervention.”

The action that is required to allow the deletion of file server audit data in Data Lens is to update the data retention period. Data retention period is a setting that defines how long Data Lens keeps the file server audit data in its database. Data Lens collects and stores various metadata and statistics from file servers, such as file name, file type, file size, file owner, file operation, file access time, etc. Data Lens uses this data to generate reports and dashboards for file analytics and anomaly detection. The administrator can update the data retention period for each file server in Data Lens to control how long the audit data is kept before being deleted. References: Nutanix Files Administration Guide, page 98; Nutanix Data Lens User Guide

Audit data in Data Lens is managed by a retention period, after which the data is automatically deleted. To allow deletion of audit data (e.g., to free up space or comply with policies), the administrator must update the retention period to a shorter duration, triggering the deletion of data that exceeds the new period. This is the standard method for managing audit data lifecycle in Data Lens.

Exact Extract from Nutanix Documentation:

From the Nutanix Data Lens Administration Guide (available on the Nutanix Portal):

“Audit data in Data Lens is retained for a configurable retention period. To allow the deletion of file server audit data, update the data retention period in the Data Lens console or Prism Central settings. Reducing the retention period will cause older audit data to be deleted once it exceeds the new period.”