NS0-162 Exam Dumps : NetApp Certified Data Administrator (ONTAP)

The space allocation option is a LUN attribute that enables the host to communicate with the storage system about the blocks that are no longer in use by the host file system. When the space allocation option is enabled, the host sends SCSI UNMAP commands to the storage system when files are deleted on the disk. The storage system then reclaims the space from the thin-provisioned LUN and makes it available for other LUNs or volumes. This process is also known as space reclamation or hole punching. If the space allocation option is disabled, the host does not send SCSI UNMAP commands and the storage system does not reclaim the space from the thin-provisioned LUN, resulting in a discrepancy between the host and the storage system. References :- Space reclamation, Enable or disable the space allocation option for a LUN

 To find the highest latency seen on restore, you need to look at the output of the table that shows the latency measurements for different operations and sizes. The highest latency is 10021 ms, which is the maximum latency for the GET operation with 8KB size. This means that when the users recover files with the Windows Previous Versions tab, they are reading data from the cloud tier that has been tiered using the snapshot-only policy, which causes high latency and slow restores.

• The other latencies are not correct, as they are lower than 10021 ms. The maximum latency for the PUT operation with 4MB size is 10500 ms, but this is not related to the restore operation, as it is writing data to the cloud tier. The maximum latency for the GET operation with 4KB size is 9591 ms, which is slightly lower than 10021 ms. The maximum latency for the GET operation with 32KB size is 7889 ms, which is much lower than 10021 ms. The maximum latency for the GET operation with 256KB size is 7838 ms, which is also much lower than 10021 ms. References :- FabricPool overview, FabricPool requirements, FabricPool best practices, High READ Latency from the fabric pool aggregate.

 The route is a network configuration that defines how the traffic from a LIF is routed to a destination. The route consists of a destination, a gateway, and a metric. The destination is the IP address or subnet that the LIF wants to reach. The gateway is the IP address of the next-hop router that forwards the traffic to the destination. The metric is a numerical value that indicates the preference of the route. In this scenario, the route for the SVM vs0 has a destination of 0.0.0.0/0, which means any IP address or subnet. The gateway is 10.61.208.1, which is the IP address of the router that connects the LIF to the rest of the network. The metric is 20, which is a relatively low value that indicates a high preference. However, the gateway is incorrect, as it does not match the subnet of the LIF. The LIF has an IP address of 192.0.2.130 and a netmask of 255.255.255.0, which means its subnet is 192.0.2.0/24. The gateway should be an IP address within the same subnet, such as 192.0.2.1. This would allow the LIF to communicate with the router and reach other destinations. The incorrect gateway causes connectivity issues, as the LIF cannot find a valid route to send or receive traffic. To resolve this issue, the route needs to be modified to reflect the correct gateway using the network route create or network route modify commands or the System Manager GUI12. References :- Create a route, Modify a route