HP EVA-to-3PAR Online Import Migration Guide (T5494-96606)

c. Select the desired Destination Common Provisioning Group (CPG) for the destination
virtual volume.
d. If you want to use these settings for all the virtual volumes, set the Configuration to Set all
same. If you want to use different settings for each volume, repeat the steps for each
volume.
11. Click Next.
The Summary screen is displayed.
12. Review the summary information, then click Add Migration.
The Virtual Disks HP EVA to 3PAR StoreServ Online Import Status Summary page is displayed
with the newly added migration in the list of Migrations in Progress. The Preparation status
displays a progress bar indicating that the necessary steps are being performed to prepare
for the migration. When the steps are completed, the Preparation status changes to Done and
the Completed button is displayed in Data Transfer indicating that the host must be unzoned
from the EVA before beginning the migration.
13. Continue with the appropriate procedure:
• If you are migrating a virtual disk presented to a Windows host, continue with the steps
in “Migrating virtual disks presented to a Windows host” (page 45).
• If you are migrating a virtual disk presented to a non-Windows host, continue with the
steps in “Migrating virtual disks presented to a non-Windows host” (page 46).
• If you are migrating an unpresented virtual disk, continue with the steps in “Migrating
unpresented virtual disks” (page 46).
Migrating virtual disks presented to a Windows host
1. Select the virtual disk and destination as described in “Selecting the virtual disk and destination”
(page 44)..
2. Perform the following steps on the host:
a. Reconfigure the host to use the 3PAR DSM ( Windows 2003) or the native Microsoft
MPIO DSM (Windows 2008, 2008R2, 2012).
b. Shutdown the Windows host.
c. Leave the host offline until the migration is started.
3. If the host is a member of a cluster, clear all the SCSI reservations on the cluster disks. For
more information, see “Preparing Windows clusters for migration” (page 10).
4. Unzone the source EVA from the host.
5. When the host has been unzoned, click Completed.
The Data Transfer status displays the Start button.
6. Click Start to begin the migration.
A confirmation screen is displayed identifying conditions that must be met before beginning
the migration.
IMPORTANT: Once a migration begins it cannot be stopped.
7. When all the conditions have been met, click Start Data Transfer.
A progress bar indicates how much of the data has been migrated. The progress bar is
refreshed every 15 seconds.
8. Zone the host to the 3PAR destination storage system. This establishes the data paths between
the host and the destination.
9. Bring the Windows host that was shut down back online.
The host is now communicating with the destination 3PAR storage system.
10. When the migration is complete, the migration entry is deleted and the Migration History is
updated with the information about the migration.
Migrating a virtual disk 45