Unisphere and Unisphere Central 2020 R1 Administrator's Guide

Create a New Live Migration

Use Live Migration to move one or more volumes from one Storage Center to another Storage Center with limited or no downtime.

1. Click the HOME menu.
   The Unisphere CentralHome page is displayed.

   If a Storage Center is selected from the drop-down list in Unisphere Central, click (Home).

2. From the Data Mobility menu, click Replications & Live Volumes.
3. Click the Migrations tab.
4. In the Migrations view, click (New) and select New Live Migration.
   The New Live Migration wizard opens.
5. On the Select Source Storage Center page, select the Storage Center that contains volume or volumes to migrate and click Next.
6. On the Select Source Volume page, select the volume or volumes to migrate and click Next.
7. On the Select Target Storage Center page, select the Storage Center to which you want to replicate the volume and click Next.
   If Fibre Channel or iSCSI connectivity is not configured between the local and remote Storage Centers, a dialog box opens. Click Yes to configure iSCSI connectivity between the Storage Centers.
8. On the Select Target Volume page, set the volume attributes as needed. For information about the settings click Help.
9. On the Select Target Volume Server Mapping page, select the server to which the target volume is mapped.
10. Review and adjust the Advanced Mapping settings as needed and click Next.
11. On the Settings page, select the Live Migration settings.
    • In the Transport and Transfer Attributes area, select the transport type.
    • In the Replication Attributes area, configure options that determine how replication behaves.
    • In the Live Migration Attributes area, enable or disable automatic role swap. When automatic role swap is enabled, Live Migrate swaps the roles immediately after the volume is synced. When it is disabled, you may swap the roles manually before completing the migration when the volume is ready to be swapped.
12. Click Next.
13. On the Summary page, review the Live Migration settings summary.
    • Click Finish to create the Live Migration and close the wizard.
    • Click Back to change your settings.