The Migrating third-party LUNs to a Cluster workflow enables you to mark the disks as foreign, create a LUN and take it offline, map the newly created LUN to an existing igroup, set up LUN import, and verify if the LUN is imported.
When you plan for storage consolidation in your data center, you should migrate data from one array to another. Foreign LUN import (FLI) is a storage-array based migration method that enables a minimally disruptive transition for importing your data from third-party arrays to NetApp clusters.
FLI for migrating data from third-party LUNs includes the following three initial phases:
This phase involves backing up foreign LUNs, configuring the SAN host, and configuring the foreign array.
This phase involves taking the host applications offline, ensuring that no further access is available from the SAN host to the foreign LUNs outside of clustered Data ONTAP, and presenting NetApp LUNs to the SAN host by adding them to the igroup.
This phase involves bringing the host back online, initiating import for one or more foreign LUNs, and breaking the import relationship when the import is complete.
The LUN import process occurs in five different phases. The following image illustrates the five phases of SAN data migration.
This workflow automates the planning phase of the data migration in which you can schedule and verify the LUN import.
The following sections provide details about the workflow and how to execute the workflow:
You must ensure that certain requirements are met before executing the Migrating Third-party LUNs to a Cluster workflow. You must be a cluster administrator for executing this workflow.
The Migrating Third-party LUNs to a Cluster workflow enables you to organize source LUNs (third-party LUNs) and destination LUNs (NetApp LUNs) for migration. The workflow enables you to create LUNs and take them offline, map the LUNs to the igroup, set up LUN import, and verify that LUN import is complete.
The following illustration displays the tasks involved in executing the workflow:
The Migrating Third-party LUNs to a Cluster workflow enables you to set up LUN import and verify the LUN import to a cluster.
You should have the following input parameters available for executing the workflow: